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Animal architecture / by Arndt, Ingo,1968-,photographer.; Tautz, Jürgen,author.; Translation of (work):Arndt, Ingo,1968-Architektier.;
Includes bibliographical references (page 158).Birds : the purpose determines the structure. Photo gallery ; Bowerbirds ; Sociable weavers ; Baya weavers ; Vogelkop gardener bowerbird -- Articulates : creators of their own world. Photo gallery ; Red wood ants ; Termites ; Weaver ants ; Caddis flies ; Wasps ; Bees ; Bark beetles ; Spiders ; Caterpillars -- Mammals : landscape architects. Photo gallery ; Harvest mice ; Beavers -- Corals, bivalves, snails : calcified master builders. Photo gallery ; Corals ; Bivalves ; Snails -- Ingo Arndt : author's note on the photography. Author."Every day, all over the world, animals and insects set about the purposeful tasks of designing their homes, catching their prey, and attracting their mates. In the process they create gorgeous nests, shelters, and habitats. Capturing 120 of these wonders in all their beauty and complexity, Animal Architecture presents a visually arresting tribute to the intersection of nature, science, function, and design. Ingo Arndt's stunning studio photographs and vibrant in-situ shots of nests, forests, and wetlands provide close-up details of these designs, as well as the animals who created them. These compelling images are combined with an abundance of fascinating facts about the evolution of animals and insects, as well as their survival methods, mating habits, genetic dispositions, and more." -- Publisher's description.
Subjects: Architecture and biology.; Architecture; Animals; Animal behavior; Nest building; Nature (Aesthetics); Photography of animals.;
Available copies: 1 / Total copies: 1
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Irresistible : the rise of addictive technology and the business of keeping us hooked / by Alter, Adam L.,1980-;
Includes bibliographical references (pages 323-344) and index."An urgent and expert investigation into behavioral addiction, the dark flipside of today's unavoidable digital technologies, and how we can turn the tide to regain control. Behavioral addiction may prove to be one of the most important fields of social, medical, and psychological research in our lifetime. The idea that behaviors can be being addictive is new, but the threat is near universal. Experts are just beginning to acknowledge that we are all potential addicts. Adam Alter, a professor of psychology and marketing at NYU, is at the cutting edge of research into what makes these products so compulsive, and he documents the hefty price we're likely to pay if we continue blindly down our current path. People have been addicted to substances for thousands of years, but for the past two decades, we've also been hooked on technologies, such as Instagram, Netflix, and Facebook--inventions that we've adopted because we assume they'll make our lives better. These inventions have profound upsides, but their extraordinary appeal isn't an accident. Technology companies and marketers have teams of engineers and researchers devoted to keeping us engaged. They know how to push our buttons, and how to coax us into using their products for hours, days, and weeks on end. Tracing the very notion of addiction through history right up until the present day, Alter shows that we're only just beginning to understand the epidemic of behavioral addiction gripping society. He takes us inside the human brain at the very moment we score points on a smartphone game, or see that someone has liked a photo we've posted on Instagram. But more than that, Alter heads the problem off at the pass, letting us know what we can do to step away from the screen. He lays out the options we have address this problem before it truly consumes us. After all, who among us has struggled to ignore the ding of a new email, the next episode in a TV series, or the desire to play a game just one more time? Adam Alter's previous book, Drunk Tank Pink: And Other Unexpected Forces that Shape How We Think, Feel, and Behave is available in paperback from Penguin"--Prologue : never get high on your own supply -- Part 1. What is behavioral addiction and where did it come from?. The rise of behavioral addiction -- The addict in all of us -- The biology of behavioral addiction -- Part 2. The ingredients of behavioral addiction (or, how to engineer an addictive experience). Goals -- Feedback -- Progress -- Escalation -- Cliffhangers -- Social interaction -- Part 3. The future of behavioral addiction (and some solutions). Nipping addictions at birth -- Habits and architecture -- Gamification -- Epilogue.
Subjects: Digital media; Digital media; Psychology, Applied.;
Available copies: 1 / Total copies: 1
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Nature's fabric : leaves in science and culture / by Lee, David Webster,1942-;
Includes bibliographical references (pages 347-425) and index.Green men -- Leaf history -- Green machinery -- Nature's fabric -- Leaf economics -- Metamorphosis -- Architecture -- Shapes and edges -- Surfaces -- Veins -- Color -- Food -- Homes -- Movements -- Seeing leaves."Leaves are all around us--in backyards, cascading from window boxes, even emerging from small cracks in city sidewalks given the slightest glint of sunlight. Perhaps because they are everywhere, it's easy to overlook the humble leaf, but a close look at them provides one of the most enjoyable ways to connect with the natural world. A lush, incredibly informative tribute to the leaf, Nature's Fabric offers an introduction to the science of leaves, weaving biology and chemistry with the history of the deep connection we feel with all things growing and green. Leaves come in a staggering variety of textures and shapes: they can be smooth or rough, their edges smooth, lobed, or with tiny teeth. They have adapted to their environments in remarkable, often stunningly beautiful ways--from the leaves of carnivorous plants, which have tiny "trigger hairs" that signal the trap to close, to the impressive defense strategies some leaves have evolved to reduce their consumption. (Recent studies suggest, for example, that some plants can detect chewing vibrations and mobilize potent chemical defenses.) In many cases, we've learned from the extraordinary adaptations of leaves, such as the invention of new self-cleaning surfaces inspired by the slippery coating found on leaves. But we owe much more to leaves, and Lee also calls our attention back to the fact that our very lives--and the lives of all on the planet--depend on them. Not only is foliage is the ultimate source of food for every living thing on land, its capacity to cycle carbon dioxide and oxygen can be considered among evolution's most important achievements--and one that is critical in mitigating global climate change." -- Publisher's description
Subjects: Leaves.;
Available copies: 1 / Total copies: 1
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The world of northern evergreens / by Pielou, E. C.,1924-;
Includes bibliographical references and index.1. Origin of the Evergreen Forests ; Conifers and the Ice Age ; The Advantages of Being Evergreen ; The Advantages of Long-Lived Leaves ; Enduring the Cold -- 2. Identifying the Conifers ; How Plants (Including Trees) Are Classified ; The Ten Genera ; The Thirty-Two Species ; Conifer Families -- 3. Reproduction of Conifers ; Pollen Cones and Pollen ; Pollination ; A Contrast between Seed Cones and Pollen Cones ; Vegetative Reproduction -- 4. The Life and Growth of a Conifer ; Wood ; Cut Stumps and Whole Trees ; Outside the Cambium ; Leaves ; Roots -- 5. Broadleafs Growing among the Conifers ; Broadleafs in a Harsh Climate ; Poplars ; Birches ; Alders -- 6. Two Kinds of Trees: Conifers and Broadleafs ; The Ancestry of "Trees" ; The Basic Difference between Conifers and Broadleafs ; Gymnosperms Are Woody ; The Speed of Living ; The Architecture of Trees ; Vegetative Reproduction ; The Aroma of Conifers -- 7. Life on the Forest Floor ; The Soil ; Forest Flowers ; The Floor of the Boreal Forest ; Valuable Dead Wood and Debris ; Open Water -- 8. Parasites on the Conifers ; The Value of Rot and Decay ; Decay Fungi ; Rusts ; Dwarf Mistletoe -- 9. Insects and Conifers ; Insects as Feeders ; Beetles ; Caterpillars and Pseudocaterpillars ; Sawflies ; Bugs ; Parasitoids ; Ants and Others -- 10. Some Mammals and Birds of the Forest ; Food and Shelter ; Seldom Seen Mammals ; Squirrels and Their Relatives ; A Rodent and a Lagomorph ; Big Herbivores ; Carnivores ; Big Omnivores ; Birds -- 11. Natural and Unnatural Interference ; Fire ; Forest Succession ; Snow and Wind ; Air Pollution and Acid Rain ; Logging -- 12. The Big Picture ; Forest Regions ; What Controls Which Species Grow Where -- 13. Global Warming and the Forests ; The Physics of Climate Change ; How Will Climate Change Affect the Forests ; Fire and the Forests ; Insects, Lightning, Wind, and Snow (Again) ; The Value (If Any) of Predictions."Global warming and human-driven impacts from logging, natural gas drilling, mining of oil sands, and the development of hydropower increasingly threaten North America's northern forests. These forests are far from being a uniform environment; close inspection reveals that the conifers that thrive there - pines, larches, spruces, hemlocks, firs, Douglas-firs, arborvitaes, false-cypresses, junipers, and yews - support a varied and complex ecosystem. In The World of Northern Evergreens, the noted ecologist E. C. Pielou introduces the biology of the northern forests and provides a unique invitation to naturalists, ecologists, foresters, and everyone living in northern North America who wants to learn about this unique and threatened northern world and the species that make it their home.Through identification keys, descriptions, and life histories of the conifer tree species, the author emphasizes how different these plants are both biologically and evolutionarily from the hardwoods we also call "trees." Following this introduction to the essential conifers, the author's perceptive insights expand to include the interactions of conifers with other plants, fungi, mammals, birds, and amphibians.The second edition, enriched by new illustrations by the author of woodland features and creatures, updates the text to include new topics including mycorrhizal fungi, soil, woodlice, bats, and invasive insects such as the hemlock woolly adelgid. Emphasis is given to the very real human-driven impacts that threaten the species that live in and depend on the vital and complex forest ecosystem. Pielou provides us with a rich understanding of the northern forests in this work praised for its nontechnical presentation, scientific objectivity, and original illustrations."--pub. desc.
Subjects: Conifers; Evergreens; Forest ecology;
© c2011., Comstock Pub. Associates/Cornell University Press,
Available copies: 1 / Total copies: 1
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Nightmares : the science and solution of those frightening visions during sleep / by McNamara, Patrick,1956-;
Includes bibliographical references (p. [153]-169) and index.Tables and figures -- Preface -- Acknowledgments -- 1. Approach to the study of nightmares -- Shortcomings of the standard "take" on nightmares -- Nightmares can be functional -- Definition and diagnostic criteria for recurrent nightmares -- Syndrome of recurring nightmares -- The sharing of nightmares with others -- 2. Why do nightmares occur in children? -- Sleep in childhood -- Dreaming in childhood -- Evolution of childhood -- Cognitive and psychological growth of the child -- Development of the sense of self in children -- Impact of developmental milestones on nightmare propensity in children -- 3. Content of nightmares -- Comparing nightmare content to ordinary dreams -- Nightmare content scoring -- Word count analyses of Barb Sanders' nightmares -- Nightmares as compelling : the case of "precognitive nightmares" -- People who experience extraordinary dreams must be extraordinary people -- 4. Nightmares in premodern societies -- Nightmares as evidence of extraordinary powers in ancestral populations -- Dreams in premodern societies -- Cultural context of dreaming in premodern societies -- Nightmare sharing in premodern groups -- 5. Biology of nightmares -- Normal human sleep architecture -- Sleep rebound effects and REM-NREM imbalances in production of nightmares -- Special link between nightmares and REM sleep -- Summary of REM properties and nightmares -- Key role of the amygdale -- Selected neuropharmacological agents can induce nightmares -- Neuroanatomy and physiology of a nightmare -- 5. Personality and psychopathological correlates of nightmares -- Nightmares are not reliably associated with loss of function -- Disorders involving nightmares -- Nightmares and psychopathology -- 7. Phenomenology of the nightmare -- Basic visual features -- Emotional atmosphere -- Automaticity -- Cognitive content elicits the emotional content -- Creativity -- "Compellingness" -- Narrative form -- Self-identity -- Lack of metaphor -- Self-reflectiveness -- Mind reading -- Summary of formal features of nightmares -- 8. Theoretical accounts of the nightmare -- Facts that must serve as the basis for nightmare theory -- Proposed functional theory of nightmares -- Costly signaling theory (CST) -- Freud's view of nightmares -- Fisher's view of nightmares -- Kramer's view of nightmares -- Hartmann's view of nightmares -- Nielsen and Levin's view of nightmares -- Theory and treatment strategies -- 9. Nightmares and popular culture -- Movies, nightmares, and spirit possession -- Nightmare-related spirit possession is a universal phenomenon -- Alien abduction -- Books, nightmares, and spirit possession -- 10. Interpretation of the possession theme in nightmares -- Selection of nightmares with spirit possession themes -- Caveats in the interpretation of nightmares and standard explanations of the possession theme -- Recurring patterns in the spirit-possession theme -- 11. Conflict theory and the nightmare -- Mind is not a unity -- Paradox of mind reading in dreams : the role of the "stranger" -- Male strangers and aggression in dreams -- REM-NREM dissociations in the dreaming mind -- Dreaming and consciousness -- Dream agents/characters can represent genomes within the individual -- Effects of imprinted genes on physiologic systems implicated in growth -- Effects of imprinted genes on functional brain systems implicated in sleep processes -- Genomic imprinting and sleep-state biology -- Genetic conflict and dream phenomenology -- Concluding remarks -- Appendix. Additional resources -- References -- Index.
Subjects: Nightmares.;
© 2008., Praeger,
Available copies: 1 / Total copies: 1
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The Gale encyclopedia of science / by Nemeh, Katherine H.,editor.; Longe, Jacqueline L.,editor.; Gale (Firm);
Includes bibliographical references and index.Aardvark -- Abacus -- Abrasives -- Abscess -- Absolute zero -- Abyssal plain -- Acceleration -- Accelerators -- Accretion disk -- Accuracy -- Acetic acid -- Acetone -- Acetylcholine -- Acetylsalicylic acid -- Acid rain -- Acids and bases -- Acne -- Acorn worm -- Acoustics -- Actinides -- Action potential -- Activated complex -- Active galactic nuclei -- Acupressure -- Acupuncture -- ADA (adenosine deaminase) deficiency -- Adaptation -- Addiction -- Addison's disease -- Addition -- Adenosine diphosphate -- Adenosine triphosphate -- Adhesive -- Adipocere -- Adrenals -- Aerobic -- Aerodynamics -- Aerosols -- Aerospace engineering -- Aflatoxin -- Africa -- Agent Orange -- Aging and death -- Agouti -- Agribusiness -- Agricultural machines -- Agrochemicals -- Agronomy -- AIDS -- AIDS therapies and vaccines -- Air masses and fronts -- Air pollution -- Aircraft -- Airship -- Albatross -- Albedo -- Albinism -- Alchemy -- Alcohol -- Alcoholism -- Aldehydes -- Alfalfa, genetically engineered -- Algae -- Algal blooms -- Algebra -- Algorithm -- Alkali metals -- Alkaline earth metals -- Alkaloid -- Alkyl group -- Alleles -- Allergy -- Allotrope -- Allotype -- Alloy -- Alluvial systems -- Alpha particle -- Alternate light source analysis -- Alternative and renewable energy -- Alternative energy sources -- Alternative medicine -- Altruism -- Aluminum -- Aluminum hydroxide -- Alzheimer's disease -- Amaranth family (Amaranthaceae) -- Amaryllis family (Amaryllidaceae) -- American Standard Code for Information Interchange -- Ames test -- Amicable numbers -- Amides -- Amino acid -- Ammonia -- Ammonification -- Amnesia -- Amniocentesis -- Amoeba -- Amphetamines -- Amphibians -- Amplifier -- Amputation -- Anabolism -- Anaerobic -- Analemma -- Analgesia -- Analog signals and digital signals -- Analytic geometry -- Anaphylaxis -- Anatomy -- Anatomy, comparative -- Anchovy -- Anemia -- Anesthesia -- Aneurism -- Angelfish -- Angiography -- Angiosperm -- Angle -- Anglerfish -- Animal -- Animal breeding -- Animal cancer tests -- Animal cloning -- Animal testing -- Anion -- Anode -- Anoles -- Antarctica -- Antbirds and gnat-eaters -- Anteaters -- Antelopes and gazelles -- Antenna -- Anthrax -- Anthropocentrism -- Anthropogenic -- Anthropometry -- Antibacterial drugs -- Antibiotic resistance -- Antibiotics -- Antibody and antigen -- Anticoagulants -- Anticonvulsants -- Antidepressant drugs -- Antihelmintics -- Antihistamines -- Anti-inflammatory agents -- Antimatter -- Antimetabolites -- Antioxidants -- Antiparticle -- Antipsychotic drugs -- Antisepsis -- Antiviral drugs -- Antlions -- Ant-pipits -- Ants -- Anxiety -- Apes -- Apgar score -- Aphasia -- Aphids -- Approximation -- Apraxia -- Aquaculture -- Aqueduct -- Aquifer -- Arachnids -- Arapaima -- Arc -- Arc lamp -- Archaebacteria -- Archaeoastronomy -- Archaeogenetics -- Archaeological mapping -- Archaeological sites -- Archaeology -- Archaeometallurgy -- Archaeometry -- Arctic region -- Arithmetic -- Armadillos -- Arrow worms -- Arrowgrass -- Arrowroot -- Arsenic -- Arteries -- Arteriosclerosis -- Arthritis -- Arthropods -- Arthroscopic surgery -- Artifacts and artifact classification -- Artificial fibers -- Artificial heart and heart valve -- Artificial intelligence -- Artificial vision -- Arum family (Araceae) -- Asbestos -- Asexual reproduction -- Asia -- Assembly line -- Asses -- Associative property -- Asteraceae -- Asteroid 2002 AA29 -- Asthenosphere -- Asthma -- Astrobiology -- Astroblemes -- Astrolabe -- Astrometry -- Astronomical unit -- Astronomy -- Astrophysics -- Atmosphere, composition and structure -- Atmosphere observation -- Atmospheric chemistry -- Atmospheric circulation -- Atmospheric feedback factors -- Atmospheric optical phenomena -- Atmospheric pressure -- Atmospheric temperature -- Atomic clock -- Atomic models -- Atomic number -- Atomic spectroscopy -- Atomic theory -- Atomic weight -- Atoms -- Attention-deficit/hyperactivity disorder (ADHD) -- Augmented reality -- Auks -- Australia -- Autism -- Autoimmune disorders -- Automatic pilot -- Automation -- Automobiles -- Autopsy -- Autotroph -- Avogadro's number -- Aye-ayes -- Babblers -- Baboons -- Bacteria -- Bacterial blights -- Bacteriophage -- Badgers -- Ball bearing -- Ballistic missiles -- Ballistics -- Balloon -- Banana -- Bandicoots -- Bar code -- Barberry -- Barbets -- Barbiturates -- Bariatrics -- Barium -- Barium sulfate -- Bark -- Barley -- Barnacles -- Barometer -- Barracuda -- Barrier islands -- Basin -- Bass -- Basswood -- Bathymetric maps -- Bathysphere -- Bats -- Battery -- Beach nourishment -- Beardworms -- Bears -- Beavers -- Bedrock -- Beech family (Fagaceae) -- Bee-eaters -- Bees -- Beetles -- Beets -- Begonia -- Behavior -- Bennettites -- Benzene -- Benzoic acid -- Bernoulli's principle -- Beta-blockers -- Big bang theory -- Binary star -- Bindle paper -- Binocular -- Binomial theorem -- Bioaccumulation -- Bioassay -- Biochemical oxygen demand -- Biochemistry -- Biodegradable substances -- Biodegradation -- Biodetectors -- Biodiversity -- Bioenergy -- Biofeedback -- Biofilms -- Bio-flips -- Biofuels -- Bioinformatics and computational biology -- Biological and biomimetic systems -- Biological and chemical weapons -- Biological community -- Biological rhythms -- Biological warfare -- Biology -- Bioluminescence -- Biomagnification -- Biomass -- Biome -- Biomedical engineering -- Biometrics -- Biophysics -- Bioremediation -- Biosphere -- Biosphere Project -- Biotechnology -- Bioterrorism -- Bipolar disorder -- Birch family (Betulaceae) -- Birds -- Birds of paradise -- Birds of prey -- Birth -- Birth defects -- Bison -- Bitterns -- Bivalves -- BL Lacertae object -- Black hole -- Black hole collisions -- Blackbirds -- Blackbody radiation -- Bleach -- Blennies -- Blindness and visual impairments -- Blindsnakes -- Blockchain technology -- Blood -- Blood gas analysis -- Blood supply -- Bloodstain evidence -- Blotting analysis -- Bluebirds -- Boarfish -- Boas -- Bohr model -- Boiling point -- Bond energy -- Bony fish -- Boobies and gannets -- Boolean algebra -- Boric acid -- Botany -- Botulism -- Bowen's reaction series -- Bowerbirds -- Bowfin -- Boxfish -- Brachiopods -- Brackish -- Brain -- Breathalyzer® -- Brewing -- Brick -- Bridges -- Bristletails -- Brittle star -- Bromeliad family (Bromeliaceae) -- Bronchitis -- Brown dwarf -- Brownian motion -- Brucellosis -- Bryophyte -- Bubonic plague -- Buckminsterfullerene -- Buckthorn --Buckwheat -- Buds and budding -- Buffer -- Building design/architecture -- Bulbuls -- Bunsen burner -- Buoyancy, principle of -- Buret -- Burn -- Bustards -- Buttercup -- Butterflies -- Butterfly fish -- Butyl group -- Butylated hydroxyanisole -- Butylated hydroxytoluene -- Buzzards -- Cactus -- CAD/CAM/CIM -- Caddisflies -- Caecilians -- Caffeine -- Caisson -- Calcium -- Calcium carbonate -- Calcium oxide -- Calcium propionate -- Calcium sulfate -- Calculator -- Calculus -- Calendars -- Calibration -- Caliper -- Calorie -- Calorimetry -- Camels -- Canal -- Cancel -- Cancer -- Canines -- Cannabidiol (CBD) -- Cantilever -- Capacitance -- Capacitor -- Capillaries -- Capillary action -- Caprimulgids -- Captive breeding and reintroduction -- Capuchins -- Capybaras -- Carbohydrate -- Carbon -- Carbon cycle -- Carbon dioxide -- Carbon footprint -- Carbon monoxide -- Carbon sink -- Carbon tetrachloride -- Carbonyl group -- Carboxyl group -- Carboxylic acids -- Carcinogen -- Cardiac cycle -- Cardinal number -- Cardinals and grosbeaks -- Caribou -- Carnivore -- Carnivorous plants -- Carp -- Carpal tunnel syndrome -- Carrier (genetics) -- Carrot family (Apiaceae) -- Carrying capacity -- Cartesian coordinate plane -- Cartilaginous fish -- Cartography -- Cashew family (Anacardiaceae) -- Cassini spacecraft -- Catabolism -- Catalyst and catalysis -- Catastrophism -- Catfish -- Catheters -- Cathode -- Cathode ray tube -- Cation -- Cats -- Cattails -- Cattle family (Bovidae) -- Cauterization -- Cave -- Cave fish -- Celestial coordinates -- Celestial mechanics -- Celestial sphere: The apparent motions of the Sun, Moon, planets, and stars -- Cell -- Cell death -- Cell division -- Cell, electrochemical -- Cell membrane transport -- Cell staining -- Cellular respiration -- Cellular telephone -- Cellulose -- Centipedes -- Centrifuge -- Ceramics -- Cerenkov effect -- Cetaceans -- Chachalacas -- Chameleons -- Chaos -- Charge-coupled device -- Chelate -- Chemical bond -- Chemical evolution -- Chemical oxygen demand -- Chemical reactions -- Chemical warfare -- Chemistry -- Chemoreception -- Chestnut -- Chickenpox -- Childhood diseases -- Chimaeras -- Chimpanzees -- Chinchilla -- Chipmunks -- Chi-square test -- Chitons -- Chlordane -- Chlorinated hydrocarbons -- Chlorination -- Chlorine -- Chlorofluorocarbons (CFCs) -- Chloroform -- Chlorophyll -- Chloroplast -- Cholera -- Cholesterol -- Chordates -- Chorionic villus sampling (CVS) -- Chromatin -- Chromatography -- Chromosomal abnormalities -- Chromosome -- Chromosome mapping -- Cicadas -- Cigarette smoke -- Circadian cycle and rhythm -- Circle -- Circulatory system -- Circumscribed and inscribed -- Cirrhosis -- Citric acid -- Citrus trees -- Civets -- Civil engineering -- Cladistics -- Clear-cutting -- Climate change -- Climate change impacts in Africa -- Climate change impacts in Asia -- Climate change impacts in Australia and New Zealand -- Climate change impacts in Europe -- Climate change impacts in North America -- Climate change impacts in small island nations -- Climate change impacts in South America -- Climax (ecological) -- Clingfish -- Clipper chip -- Clone and cloning -- Closed curves -- Closure property -- Cloud computing -- Clouds -- Club mosses -- Coal -- Coast and beach -- Coati -- Coca -- Cocaine -- Cockatoo -- Cockroaches -- Codeine -- Codfish -- Codon -- Coefficient -- Coelacanth -- Coffee plant -- Cogeneration -- Cognition -- Cold, common -- Collagen -- Colloid -- Colobus monkey -- Color -- Color blindness -- Colugo -- Coma -- Combinatorics -- Combustion -- Comet Hale-Bopp -- Comets -- Commensalism -- Communications technology -- Community ecology -- Commutative property -- Compact disc -- Competition -- Complementary DNA -- Complex -- Complex numbers -- Composite materials -- Composting -- Compound, chemical -- Compton effect -- Compulsion -- Computer, analog -- Computer, digital -- Computer hardware security -- Computer keystroke recorder -- Computer languages -- Computer memory, physical and virtual memory -- Computer modeling -- Computer software -- Computer software security -- Computer virus -- Computerized axial tomography -- Concentration -- Concrete -- Conditioning -- Condors -- Congenital -- Congruence (triangle) -- Conic sections -- Conifer -- Connective tissue -- Conservation -- Conservation laws -- Constellation -- Constructions -- Contaminated soil -- Contamination -- Continent -- Continental drift -- Continental margin -- Continental shelf -- Continuity -- Contour plowing -- Contraception -- Convection -- Coordination compound -- Copepods -- Copper -- Coral and coral reef -- Coral bleaching -- Coriolis effect -- Cork -- Corm -- Cormorants -- Corn (maize) -- Coronal ejections and magnetic storms -- Correlation (geology) -- Correlation (mathematics) -- Corrosion -- Cosmic background radiation -- Cosmic ray -- Cosmology -- Cotingas -- Cotton -- Coulomb -- Countable -- Coursers and pratincoles -- Courtship -- COVID-19 global pandemic -- Coypu -- Crab -- Crane -- Cranes -- Crayfish -- Crestfish -- Creutzfeldt-Jakob disease -- Crickets -- Crime scene investigation -- Crime scene reconstruction -- Critical habitat -- Crocodiles -- Crop rotation -- Crops -- Cross multiply -- Cross-section -- Crows and jays -- Crustacea -- Cryobiology -- Cryogenics -- Cryosphere -- Cryptography, encryption, and number theory -- Crystal -- Cubic equations -- Cuckoos -- Cultural geography -- Curare -- Curlews -- Currents -- Curve -- Cushing syndrome -- Cuttlefish -- Cybernetics -- Cybersecurity -- Cycads -- Cyclamate -- Cyclone and anticyclone -- Cyclosporine -- Cyclotron -- Cystic fibrosis -- Cytochrome -- Cytology -- Dams -- Damselflies -- Dark energy -- Dark matter -- Data mining -- Dating techniques -- DDT -- Deafness and inherited hearing loss -- Decimal fraction -- Decomposition -- Decontamination methods -- Decryption -- Deer -- Deer mouse -- Deforestation -- Degree -- Dehydroepiandrosterone (DHEA) -- Delta -- Dementia -- Dendrochronology -- Dengue fever -- Denitrification -- Density -- Dentistry -- Deoxyribonucleic acid (DNA) -- Deposit -- Depression -- Depth perception -- Derivative -- Desalination -- Desert -- Desertification -- Determinants -- Deuterium -- Developmental processes -- Dew point -- Diabetes mellitus -- Diagnosis -- Dialysis -- Diamond -- Diatoms -- Dielectric materials -- Diesel engine -- Diethylstilbestrol (DES) -- Diffraction -- Diffraction grating -- Diffusion -- Digestive system -- Digital recording -- Digitalis -- Dik-diks -- Dinosaur -- Diode -- Dioxin -- Diphtheria -- Dipole -- Direct variation -- Disease -- Dissociation -- Distance -- Distillation -- Distributive property -- Disturbance, ecological -- Diurnal cycles -- Division -- DNA databanks -- DNA fingerprinting -- DNA recognition -- instruments -- DNA replication -- DNA synthesis -- DNA technology -- DNA vaccine -- Dobsonflies -- Dogwood tree -- Domain -- Donkeys -- Dopamine -- Doppler effect -- Dories -- Dormouse -- Dosimetry -- Double helix -- Double-blind study -- Down syndrome -- Dragonflies -- Drift net -- Drones and unmanned aircraft -- Drongos -- Drosophila melanogaster -- Drought -- Ducks -- Duckweed -- Duikers -- Dune -- Duplication of the cube -- Dust devil -- DVD -- Dwarf antelopes -- Dyes and pigments --Dysentery -- Dyslexia -- Dysplasia -- Dystrophinopathies -- e (number) -- Eagles -- Ear -- Earth -- Earth Challenge Prize -- Earth science -- Earthquake -- Earthquake and tsunami in Japan (2011) -- Earthquake in Mexico (2017) -- Earthquake in Nepal -- Earth's geologic history -- Earth's interior -- Earth's magnetic field -- Earth's rotation -- Earwigs -- Eating disorders -- Ebola virus -- Ebony -- Echiuroid worms -- Echolocation -- Eclipse -- Ecological economics -- Ecological integrity -- Ecological monitoring -- Ecological productivity -- Ecological pyramids -- Ecology -- Economic geography -- Ecosystem -- Ecotone -- Ecotourism -- Edema -- Eel grass -- Einstein-Podolsky-Rosen paradox -- El Niǫ and La Nią -- Eland -- Elapid snakes -- Elasticity -- Electric arc -- Electric charge -- Electric circuit -- Electric conductor -- Electric current -- Electric motors -- Electric vehicles -- Electrical conductivity -- Electrical engineering -- Electrical power supply -- Electrical resistance -- Electricity -- Electrocardiogram (ECG) -- Electroencephalogram (EEG) -- Electrolysis -- Electrolyte -- Electromagnetic field -- Electromagnetic induction -- Electromagnetic pulse -- Electromagnetic spectrum -- Electromagnetism -- Electromotive force -- Electron -- Electron cloud -- Electronic control device (ECD) -- Electronics -- Electronics waste -- Electrophoresis -- Electrostatic devices -- Element, chemical -- Element, families of -- Element, transuranium -- Elements, formation of -- Elephant -- Elephant shrews -- Elephant snout fish -- Elephantiasis -- Elevator -- Ellipse -- Elm -- Embiids -- Embolism -- Embryo and embryonic development -- Embryo transfer -- Embryology -- Emission -- Emphysema -- Emulsion -- Encephalitis -- Endangered species -- Endemic -- Endocrine system -- Endoprocta -- Endoscopy -- Endothermic -- Energy -- Energy budgets -- Energy efficiency -- Energy transfer -- Engineering -- Engraving and etching -- Enhanced greenhouse effect -- Enterobacteria -- Entropy -- Environmental ethics -- Environmental impact statement -- Enzymatic engineering -- Enzyme -- Epidemic -- Epidemiology -- Epigenetics -- Epilepsy -- Episomes -- Epstein-Barr virus -- Equation, chemical -- Equilibrium, chemical -- Equinox -- Erosion -- Error -- Escherichia coli -- Ester -- Esterification -- Ethanol -- Ether -- Ethnoarchaeology -- Ethnobotany -- Ethyl group -- Ethylene glycol -- Ethylenediaminetetra-acetic acid -- Etiology -- Eubacteria -- Eugenics -- Eukaryotae -- Europe -- Eutrophication -- Evaporation -- Evapotranspiration -- Even and odd -- Event horizon -- Evolution -- Evolution, convergent -- Evolution, divergent -- Evolution, evidence of -- Evolution, parallel -- Evolutionary change, rate of -- Evolutionary mechanisms -- Excavation methods -- Exclusion principle, Pauli -- Excretory system -- Exercise -- Exocrine glands -- Explosives -- Exponent -- Extinction -- Extrasolar planets -- Extreme weather -- Eye -- Facial recognition -- Factor -- Factorial -- Falcons -- Faraday effect -- Fat -- Fat substitutes -- Fatty acids -- Fault -- Fauna -- Fax machine -- Feather stars -- Fermentation -- Ferns -- Ferrets -- Fertilization -- Fertilizers -- Fetal alcohol syndrome -- Feynman diagrams -- Fiber optics -- Fibonacci sequence -- Field -- Figurative numbers -- Filtration -- Finches -- Firs -- Fish -- 5G technology -- Flagella -- Flame analysis -- Flamingos -- Flatfish -- Flatworms -- Flavonoids -- Flax -- Fleas -- Flies -- Flightless birds -- Flooding -- Flora -- Flower -- Fluid dynamics -- Fluid mechanics -- Fluorescence -- Fluorescence in situ hybridization (FISH) -- Fluorescent light -- Fluoridation -- Flying fish -- Focused ion beam (FIB) -- Fog -- Fold -- Food irradiation -- Food poisoning -- Food preservation -- Food pyramid -- Food web/chain -- Foot and mouth disease -- Force -- Forensic genealogy -- Forensic science -- Forestry -- Forests -- Formula, chemical -- Formula, structural -- Fossa -- Fossil and fossilization -- Fossil fuels -- Fracking -- Fractal -- Fraction, common -- Fraunhofer lines -- Freeway -- Frequency -- Fresh water -- Friction -- Frigatebirds -- Frogs -- Frog's-bit family -- Frostbite -- Fruits -- Fuel cells -- Fukushima nuclear accident -- Function -- Fundamental theorems -- Fungi -- Fungicide -- Gaia hypothesis -- Galaxy -- Galileo project -- Game theory -- Gamete -- Gametogenesis -- Gamma-ray astronomy -- Gamma-ray burst -- Gangrene -- Garpike -- Gases, liquefaction of -- Gases, properties of -- Gazelles -- Gears -- Geckos -- Geese -- Gelatin -- Gene -- Gene chips and microarrays -- Gene editing -- Gene mutation -- Gene splicing -- Gene therapy -- Generator -- Genetic disorders -- Genetic engineering -- Genetic identification of microorganisms -- Genetic testing -- Genetically modified organisms -- Genetics -- Genets -- Genome -- Genomics (comparative) -- Genotype and phenotype -- Geocentric theory -- Geochemical analysis -- Geochemistry -- Geode -- Geodesic -- Geodesic dome -- Geoengineering -- Geographic and magnetic poles -- Geologic map -- Geologic time -- Geology -- Geomagnetic storms -- Geometry -- Geomicrobiology -- Geophysics -- Geospatial imagery -- Geothermal energy -- Geotropism -- Gerbils -- Germ cells and the germ cell line -- Germ theory -- Germination -- Gerontology -- Gesnerias -- Geyser -- Gibbons and siamangs -- Gila monster -- Ginger -- Ginkgo -- Ginseng -- Giraffes and okapi -- GIS -- Glaciers -- Glands -- Glass -- Global climate -- Global dimming -- Global Positioning System -- Global warming -- Glycerol -- Glycol -- Glycolysis -- Goats -- Goatsuckers-- Gobies -- Goldenseal -- Gophers -- Gorillas -- Gourd family (Cucurbitaceae) -- Graft -- Grand unified theory -- Grapes -- Graphs and graphing -- Grasses -- Grasshoppers -- Grasslands -- Gravitational lens -- Gravitational waves and astronomy -- Gravity and gravitation -- Great Barrier Reef -- Greatest common factor -- Grebes -- Greenhouse effect -- Groundhog -- Groundwater -- Group -- Grouse -- Growth and decay -- Growth hormones -- Guenons -- Guillain-Barre syndrome -- Guinea pigs and cavies -- Guineafowl -- Gulls -- Guppy -- Gutenberg discontinuity -- Gutta percha -- Gymnosperm -- Gynecology -- Gyroscope -- H1N1 pandemic swine flu -- H5N1 avian influenza -- H7N9 avian influenza -- Habitat -- Hagfish -- Half-life -- Halide, organic -- Hall effect -- Halley's comet -- Hallucinogens -- Halogenated hydrocarbons -- Halogens -- Halosaurs -- Hamsters -- Hand tools -- Hantavirus infections -- Hard water -- Harmonics -- Hartebeests -- Hawks -- Hazardous wastes -- Hazel -- Health geography -- Hearing -- Heart -- Heart disease -- Heart, embryonic development and changes at birth -- Heart, rhythm control and impulse conduction -- Heart-lung machine -- Heat -- Heat capacity -- Heat index -- Heat transfer -- Heath family (Ericaceae) -- Hedgehogs -- Heisenberg uncertainty principle -- Heliocentric theory -- Heliosphere -- Hematology -- Hemoglobin -- Hemophilia -- Hemorrhagic fevers and diseases -- Hemp -- Henna -- Hepatitis -- Hepatitis A virus (HAV) -- Hepatitis B virus (HBV) -- Hepatitis C virus (HCV) -- Hepatitis D virus (HDV) -- Hepatitis E virus (HEV) -- Herb -- Herbal medicine -- Herbicides -- Herbivore -- Herd immunity -- Hermaphrodite --Hernia -- Herons -- Herpetology -- Herrings -- Hertzsprung-Russell diagram -- Heterotroph -- Hibernation -- Higgs boson -- Himalayas, geology of -- Hippopotamus -- Histamine -- Historical geography -- Historical geology -- Hoatzin -- Hodgkin's disease -- Holly family (Aquifoliaceae) -- Hologram and holography -- Holographic principle -- Homeostasis -- Honeycreepers -- Honeyeaters -- Hoopoe -- Horizon -- Hormones -- Hornbills -- Horse chestnut -- Horsehair worms -- Horses -- Horseshoe crabs -- Horsetails -- Horticulture -- Hot spot -- Hovercraft -- Hubble constant -- Hubble Space Telescope -- Human artificial chromosomes -- Human chorionic gonadotropin -- Human cloning -- Human ecology -- Human evolution -- Human Genome Project -- Human geography -- Human population -- Humidity -- Hummingbirds -- Humus -- Huntington disease -- Hurricane Harvey -- Hurricane Irma -- Hurricane Sandy -- Hybrid -- Hybrid transportation -- Hydra -- Hydrocarbon -- Hydrocephalus -- Hydrochlorofluorocarbons -- Hydroelectric power -- Hydrofoil -- Hydrogen -- Hydrogen chloride -- Hydrogen peroxide -- Hydrogenation -- Hydrology -- Hydrolysis -- Hydroponics -- Hydrosphere -- Hydrothermal vents -- Hydrozoa -- Hyena -- Hyperbarics -- Hyperbola -- Hypertension -- Hypothermia -- Hypoxia -- Hyraxes -- Ibises -- Ice -- Ice age refuges -- Ice ages -- Ice and snow cover -- Ice cores -- Icebergs -- Iceman -- Identity element -- Identity property -- Igneous rocks -- Iguanas -- Illegal drugs -- Imaginary number -- Immune system -- Immunology -- Impact crater -- Imprinting -- In vitro and in vivo -- In vitro fertilization (IVF) -- Incandescent light -- Incineration -- Indicator, acid-base -- Indicator species -- Individual -- Indoor air quality -- Industrial minerals -- Industrial Revolution -- Inequality -- Inertial guidance -- Infection -- Infectious diseases -- Infertility -- Infinity -- Inflammation -- Inflection point -- Influenza -- Infrared astronomy -- Infrared detection devices -- Inherited disorders -- Insecticides -- Insectivore -- Insects -- Insolation -- Insomnia -- Instinct -- Insulin -- Integers -- Integral -- Integrated circuit -- Integrated pest management -- Integumentary system -- Interference -- Interferometry -- Interferons -- Internal combustion engine -- International Space Station -- International Ultraviolet Explorer -- Internet and the World Wide Web -- Internet file transfer and tracking -- Internet search engine -- Interstellar matter -- Interval -- Introduced species -- Invariant -- Invasive species -- Invertebrates -- Ion and ionization -- Ion exchange -- Ionizing radiation -- Iris family -- Iron -- Irrational number -- Irrigation -- Island -- Isoantibodies -- Isobars -- Isomer -- Isostasy -- Isotope -- Isotopic analysis -- Isthmus -- Iteration -- Jacanas -- Jacks -- Jatropha -- Jaundice -- Jellyfish -- Jerboas -- Jet engine -- Jet stream -- Juniper -- Jupiter -- Kangaroo rats -- Kangaroos and wallabies -- Karst topography -- Karyotype and karyotype analysis -- Kelp forests -- Kepler's laws -- Keystone species -- Killifish -- Kingdom -- Kingfishers -- Kinglets -- Koalas -- Koch's postulates -- Kola -- Korsakoff's syndrome -- Krebs cycle -- K-T event (Cretaceous-Tertiary event) -- Kuiper belt objects -- Kuru -- Lacewings -- Lactic acid -- Lagomorphs -- Lake -- Lamarckism -- Lampreys and hagfishes -- Land and sea breezes -- Land use -- Landfill -- Landform -- Langurs and leaf-monkeys -- Lantern fish -- Lanthanides -- Large Hadron Collider -- Larks -- Laryngitis -- Laser -- Laser surgery -- Latitude and longitude -- Laurel family (Lauraceae) -- Laws of motion -- LCD -- Leaching -- Lead -- Leaf -- Leafhoppers -- Learning -- Least common denominator -- Lecithin -- LED -- Legionnaire disease -- Legumes -- Lemmings -- Lemurs -- Lens -- Leprosy -- Leukemia -- Lewis structure -- Lice -- Lichens -- Life history -- Ligand -- Light -- Light pollution -- Lightning -- Light-year -- Lilac -- Lily family (Liliaceae) -- Limit -- Limiting factor -- Limpets -- Line, equations of -- Linear algebra -- Lipid -- Liquid crystals -- Lithium -- Lithography -- Lithosphere -- Lithotripsy -- Liverwort -- Livestock -- Lobsters -- Lock -- Lock and key -- Locus -- Logarithms -- Loons -- Loop quantum gravity -- LORAN -- Lorises -- Luminescence -- Lungfish -- Lycophytes -- Lyme disease -- Lymphatic system -- Lyrebirds -- Macaques -- Mach number -- Machine tools -- Machine vision -- Machines, simple -- Mackerel -- Magic square -- Magma -- Magnesium -- Magnesium sulfate -- Magnetic levitation -- Magnetic recording/audiocassette -- Magnetic resonance imaging (MRI) -- Magnetism -- Magnetosphere -- Magnolia -- Mahogany -- Maidenhair fern -- Malaria -- Malnutrition -- Mammals -- Manakins -- Mangrove tree -- Mania -- Map -- Maples -- Marfan syndrome -- Marijuana -- Marine toxins -- Marlins -- Marmosets and tamarins -- Marmots -- Mars -- Mars exploration rovers -- Mars Pathfinder -- Marsupial cats -- Marsupial rats and mice -- Marsupials -- Marten, sable, and fisher -- Maser -- Mass -- Mass extinction -- Mass number -- Mass production -- Mass spectrometry -- Mass transportation -- Mass wasting -- Materials science -- Mathematics -- Matrix -- Matter -- Maunder minimum -- Maxima and minima -- Mayflies -- Mean -- Mechanical engineering -- Median -- Medical genetics -- Meiosis -- Membrane -- Memory -- Mendelian genetics -- Meningitis -- Menopause -- Menstrual cycle -- Mercurous chloride -- Mercury (element) -- Mercury (planet) -- MERS (Middle East Respiratory syndrome) -- Mesoscopic systems -- Mesozoa -- Metabolic disorders -- Metabolism -- Metal -- Metal detectors -- Metal fatigue -- Metal production -- Metallurgy -- Metamorphic grade -- Metamorphic rock -- Metamorphism -- Metamorphosis -- Meteorology -- Meteors and meteorites -- Methamphetamine -- Methyl group -- Metric system -- Mice -- Michelson-Morley experiment -- Microbial archaeology -- Microbial genetics -- Microbiome -- Microchip -- Microclimate -- Microorganisms -- Microplastics -- Microscope -- Microscopy -- Microtechnology -- Microwave communication -- Migraine headache -- Migration -- Mildew -- Milkweeds -- Milky Way -- Miller-Urey experiment -- Millipedes -- Mimicry -- Mineralogy -- Minerals -- Mining -- Mink -- Minnows -- Minor planets -- Mint family -- Mir Space Station -- Mirrors -- Miscibility -- Mistletoe -- Mites -- Mitochondrial DNA analysis -- Mitosis -- Mixture, chemical -- Mobius strip -- Mockingbirds and thrashers -- Mode -- Model organisms -- Modular arithmetic -- Mohs' scale -- Mold -- Mole -- Molecular biology -- Molecular formula -- Molecular geometry -- Molecular weight -- Molecule -- Mole-rats -- Moles -- Mollusks -- Momentum -- Monarch flycatchers -- Mongooses -- Monitor lizards -- Monkeys -- Monochromatic light -- Monoculture -- Monomer -- Monosodium glutamate (MSG) -- Monotremes -- Monsoon -- Montreal Biodome -- MOOC (Massive open online course) --Moon -- Mooneyes -- Moose -- Morphine -- Mosquitoes -- Moss -- Moss animals -- Mossbauer effect -- Moths -- Motion -- Motion pictures -- Moundbuilders -- Mounds, earthen -- Mountains -- Mousebirds -- Mulberry family (Moraceae) -- Multiple personality disorder -- Multiplication -- Murchison meteorite -- Muscle relaxants -- Muscular system -- Mushrooms -- Muskoxen -- Muskrat -- Mustard family (Brassicaceae) -- Mustard gas -- Mutagen -- Mutagenesis -- Mutation -- Mutualism -- Mycorrhiza -- Mycotoxin -- Mynah birds -- Myrtle family (Myrtaceae) -- Nanotechnology -- Narcotic -- Natural fibers -- Natural gas -- Natural numbers -- Nautical archaeology -- N-body problem -- Near-Earth Object Hazard Index -- Nectar -- Negative -- Neptune -- Nerve gas -- Nerve growth factor -- Nerve impulses and conduction of impulses -- Nervous system -- Neuromuscular diseases -- Neuron -- Neuroscience -- Neurosurgery -- Neurotransmitter -- Neutralization -- Neutrino -- Neutron -- Neutron activation analysis -- Neutron star -- New World monkeys -- Newton's laws of motion -- Newts -- Niche -- Nicotine -- Night vision enhancement devices -- Nightshade -- Nitric acid -- Nitrification -- Nitrogen -- Nitrogen cycle -- Nitrogen fixation -- Nobel Prize -- Noise pollution -- Non-Euclidean geometry -- Nonmetal -- Nonpoint source -- North America -- Nova -- Novocain -- Nuclear engineering -- Nuclear fission -- Nuclear fusion -- Nuclear magnetic resonance -- Nuclear medicine -- Nuclear power -- Nuclear reactor -- Nuclear weapons -- Nuclear winter -- Nucleic acid -- Nucleon -- Nucleus, cellular -- Numbat -- Number theory -- Numeration systems -- Nut -- Nuthatches -- Nutmeg -- Nutrient deficiency diseases -- Nutrients -- Nutrition -- Nux vomica tree -- Oaks -- Obesity -- Obsession -- Ocean acidification -- Ocean basin -- Ocean currents -- Ocean sunfish -- Ocean zones -- Oceanography -- Oceans -- Ockham's razor -- Octet rule -- Octopus -- Odds -- Odontology -- Ohm's law -- Oil and gas pipelines -- Oil spills -- Oil well drilling -- Old-growth forests -- Olive family (Oleaceae) -- Omnivore -- One-to-one correspondence -- Opah -- Open-source software -- Opossums -- Opportunistic species -- Optical data storage -- Optics -- Orangutans -- Orbit -- Orchid family (Orchidaeceae) -- Ordinal number -- Ore -- Organ -- Organelles and subcellular genetics -- Organic farming -- Organism -- Organogenesis -- Organs and organ systems -- Origin of life -- Origins of the universe -- Orioles -- Ornithology -- Orthopedics -- Oryx -- Oscillating reactions -- Oscillations -- Oscilloscope -- Osmosis -- Osmosis (cellular) -- Ossification -- Osteoporosis -- Otter shrews -- Otters -- Outcrop -- Ovarian cycle and hormonal regulation -- Ovenbirds -- Oviparous -- Ovoviviparous -- Owls -- Oxalic acid -- Oxidation state -- Oxidation-reduction reaction -- Oxygen -- Oystercatchers -- Ozone -- Ozone layer depletion -- Pacemaker -- Pain -- Paleobotany -- Paleoclimate -- Paleoecology -- Paleomagnetism -- Paleontology -- Paleopathology -- Palindrome -- Palms -- Palynology -- Pandas -- Pangolins -- Papaya -- Paper -- Parabola -- Parallax -- Parallel -- Parallelogram -- Parasites -- Parasitology -- Parity -- Parkinson disease -- Parrots -- Parthenogenesis -- Particle detectors -- Partridges -- Pascal's triangle -- Passion flower -- Paternity and parentage testing -- Pathogens -- Pathology -- PCR -- Peafowl -- Peanut worms -- Peccaries -- Pedigree analysis -- Pelicans -- Penguins -- Peninsula -- Pentyl group -- Peony -- Pepper -- Peptide linkage -- Percent -- Perception -- Perch -- Peregrine falcon -- Perfect numbers -- Performance-enhancing drugs -- Periodic functions -- Periodic table -- Permafrost -- Perpendicular -- Personal digital assistant -- Personal music players -- Pesticides -- Pests -- Petrels and shearwaters -- Petroglyphs and pictographs -- Petroleum -- pH -- Phalangers -- Pharmacogenetics -- Pharmacogenomics -- Pheasants -- Phenyl group -- Phenylketonuria -- Pheromones -- Phlox -- Phobias -- Phonograph -- Phoronids -- Phosphoric acid -- Phosphorus -- Phosphorus cycle -- Phosphorus removal -- Photic zone -- Photochemistry -- Photocopying -- Photoelectric cell -- Photoelectric effect -- Photogrammetry -- Photographic resolution -- Photography -- Photography, electronic -- Photon -- Photosynthesis -- Phototropism -- Photovoltaic cell -- Phylogeny -- Physical therapy -- Physics -- Physiology -- Physiology, comparative -- Phytoplankton -- Pi -- Pigeons and doves -- Pigs -- Pike -- Piltdown hoax -- Pinecone fish -- Pines -- Pipefish -- Placebo -- Planck's constant -- Plane -- Plane family -- Planet -- Planet X -- Planetary atmospheres -- Planetary geology -- Planetary nebulae -- Planetary ring systems -- Plankton -- Plant -- Plant breeding -- Plant diseases -- Plant pigment -- Plasma -- Plastic surgery -- Plastics -- Plate tectonics -- Platonic solids -- Platypus -- Plovers -- Pluto -- Pneumonia -- Podcast -- Podiatry -- Point -- Point source -- Poisons and toxins -- Polar coordinates -- Polar ice caps -- Poliomyelitis -- Pollen analysis -- Pollination -- Pollution -- Pollution control -- Polybrominated biphenyls (PBBs) -- Polychlorinated biphenyls (PCBs) -- Polycyclic aromatic hydrocarbons -- Polygons -- Polyhedron -- Polymer -- Polynomials -- Poppies -- Population geography -- Population growth and control (human) -- Porcupines -- Positive number -- Positron emission tomography (PET) -- Postulate -- Potassium aluminum sulfate -- Potassium hydrogen tartrate -- Potassium iodide -- Potassium nitrate -- Potato -- Pottery analysis -- Prairie -- Prairie chicken -- Prairie dog -- Prairie falcon -- Praying mantis -- Precession of the equinoxes -- Precious metals -- Precipitation -- Predator -- Prenatal surgery -- Prescribed burn -- Pressure -- Prey -- Primates -- Prime numbers -- Primroses -- Printing -- Prions -- Prism -- Probability -- Probability theory -- Proboscis monkey -- Projective geometry -- Prokaryote -- Pronghorn -- Proof -- Propyl group -- Prosimians -- Prosthetics -- Proteas -- Protected area -- Proteins -- Proteomics -- Protista -- Proton -- Protozoa -- Psychiatry -- Psychoanalysis -- Psychology -- Psychometry -- Psychosis -- Psychosurgery -- Puberty -- Puffbirds -- Puffer fish -- Pulsar -- Punctuated equilibrium -- Pyramid -- Pythagorean theorem -- Pythons -- Quadrilateral -- Quail Qualitative analysis -- Quantitative analysis -- Quantum computing -- Quantum electrodynamics (QED) -- Quantum entanglement -- Quantum mechanics -- Quantum number -- Quarks -- Quasar -- Quasicrystals -- Quetzal -- Quinine -- Rabies -- Raccoons -- Radar -- Radial keratotomy -- Radiation -- Radiation detectors -- Radiation exposure -- Radical (atomic) -- Radical (math) -- Radio -- Radio astronomy -- Radio waves -- Radioactive dating -- Radioactive decay -- Radioactive fallout -- Radioactive pollution -- Radioactive tracers -- Radioactive waste -- Radioisotopes in medicine -- Radiology -- Radon --Rails -- Rainbows -- Rainforest -- Random -- Rangeland -- Raptors -- Rare gases -- Rare genotype advantage -- Rate -- Ratio -- Rational number -- Rationalization -- Rats -- Rayleigh scattering -- Rays -- Real numbers -- Reciprocal -- Recombinant DNA -- Rectangle -- Recycling -- Red giant star -- Red tide -- Redshift -- Reflections -- Reflex -- Refrigerated trucks and railway cars -- Rehabilitation -- Reinforcement, positive and negative -- Relation -- Relativity, general -- Relativity, special -- Remote sensing -- Reproductive system -- Reproductive toxicant -- Reptiles -- Resins -- Resonance -- Resources, natural -- Respiration -- Respirator -- Respiratory diseases -- Respiratory system -- Restoration ecology -- Retrograde motion -- Retrovirus -- Reye's syndrome -- Rh factor -- Rhesus monkeys -- Rheumatic fever -- Rhinoceros -- Rhizome -- Rhubarb -- Ribbon worms -- Ribonuclease -- Ribonucleic acid (RNA) -- Ribosomes -- Rice -- Ricin -- Rickettsia -- Rigor mortis -- Rinderpest -- Rivers -- RNA function -- RNA splicing -- Robins -- Robotic vehicles -- Robotics -- Rockets and missiles -- Rocks -- Rodents -- Rollers -- Root system -- Rose family (Rosaceae) -- Rotation -- Roundworms -- Rumination -- Rushes -- Rusts and smuts -- Saiga antelope -- Salamanders -- Saliva -- Salmon -- Salmonella -- Salt -- Salt marshes -- Saltwater -- Sample -- Sand -- Sand dollars -- Sandfish -- Sandpipers -- Sanitation -- Sapodilla tree -- Sardines -- Sarin gas -- SARS (severe acute respiratory syndrome) -- Satellite -- Saturn -- Savanna -- Savant -- Sawfish -- Saxifrage family -- Scalar -- Scale insects -- Scanners, digital -- Scanning electron microscopy -- Scarlet fever -- Scavenger -- Schizophrenia -- Science History -- Scientific debate -- Scientific method -- Scientific theories and laws -- Scorpion flies -- Scorpionfish -- Screamers -- Screwpines -- Sculpins -- Sea anemones -- Sea cucumbers -- Sea level -- Sea lily -- Sea lions -- Sea moths -- Sea spiders -- Sea squirts and salps -- Sea urchins -- Seahorses -- Seals -- Seamounts -- Seasonal winds -- Seasons -- Secondary pollutants -- Secretary bird -- Secretor -- Sedges -- Sediment and sedimentation -- Sedimentary environment -- Sedimentary rock -- Seed ferns -- Seeds -- Segmented worms -- Seismograph -- Selection -- Sequences -- Sequencing -- Sequoia -- Serology -- Servomechanisms -- Sesame -- Set theory -- SETI -- Sewage treatment -- Sewing machine -- Sex change -- Sex determination -- Sextant -- Sexual dimorphism -- Sexual reproduction -- Sexually transmitted diseases -- Sharks -- Sheep -- Shell midden analysis -- Shingles -- Shore birds -- Shoreline protection -- Shotgun cloning -- Shrews -- Shrikes -- Shrimp -- Sickle cell anemia -- Sieve of Eratosthenes -- Silicon -- Silk cotton family (Bombacaceae) -- Sinkholes -- Skates -- Skeletal analysis -- Skeletal system -- Skinks -- Skuas -- Skunks -- Slash-and-burn agriculture -- Sleep -- Sleep disorders -- Sleeping sickness -- Slime molds -- Sloths -- Slugs -- Smallpox -- Smallpox vaccine -- Smell -- Smog -- Snails -- Snakeflies -- Snakes -- Snapdragon family -- Soap -- Sociobiology -- Sodium -- Sodium benzoate -- Sodium bicarbonate -- Sodium carbonate -- Sodium chloride -- Sodium hydroxide -- Sodium hypochlorite -- Soil -- Soil conservation -- Solar activity cycle -- Solar flare -- Solar geoengineering -- Solar illumination: Seasonal and diurnal patterns -- Solar prominence -- Solar system -- Solar wind -- Solder and soldering iron -- Solstice -- Solubility -- Solution -- Solution of equation -- SONAR -- Song birds -- Sonoluminescence -- Sorghum -- Sound waves -- South America -- Soybean -- Space -- Space probe -- Space shuttle -- Spacecraft, crewed -- Sparrows and buntings -- Species -- Spectral classification of stars -- Spectral lines -- Spectroscope -- Spectroscopy -- Spectrum -- Speech -- Sphere -- Spider monkeys -- Spiderwort family -- Spin of subatomic particles -- Spina bifida -- Spinach -- Spiny anteaters -- Spiny eels -- Spiny-headed worms -- Spiral -- Spirometer -- Split-brain functioning -- Sponges -- Spontaneous generation -- Spore -- Springtails -- Spruce -- Spurge family -- Square -- Square root -- Squid -- Squirrel fish -- Squirrels -- Stalactites and stalagmites -- Standard Model -- Star -- Star cluster -- Star formation -- Starburst galaxy -- Starfish -- Starlings -- States of matter -- Statistical mechanics -- Statistics -- Steady-state theory -- Stealth technology -- Steam engine -- Steam pressure sterilizer -- Stearic acid -- Steel -- Steganography -- Stellar evolution -- Stellar magnetic fields -- Stellar magnitudes -- Stellar populations -- Stellar structure -- Stellar wind -- Stem cells -- Stereochemistry -- Sticklebacks -- Stilts and avocets -- Stimulus -- Stoichiometry -- Stone and masonry -- Stoneflies -- Storks -- Storm -- Storm surge -- Strata -- Stratigraphy -- Stratigraphy (archaeology) -- Stream capacity and competence -- Stream valleys, channels, and floodplains -- Strepsiptera -- Stress -- Stress, ecological -- String theory -- Stroke -- Stromatolite -- Structural analysis -- Sturgeons -- Subatomic particles -- Sublimation -- Submarine -- Subsidence -- Subsurface detection -- Subtraction -- Succession -- Suckers -- Sudden infant death syndrome (SIDS) -- Sugar beet -- Sugarcane -- Sulfur -- Sulfur cycle -- Sulfur dioxide -- Sulfuric acid -- Sun -- Sunbirds -- Sunspots -- Super heavy elements -- Superclusters -- Superconductor -- Supernova -- Surface tension -- Surgery -- Surveying instruments -- Survival of the fittest -- Sustainability -- Sustainable development -- Swallows and martins -- Swamp cypress family (Taxodiaceae) -- Swamp eels -- Swans -- Sweet gale family (Myricaceae) -- Sweet potato -- Swifts -- Swordfish -- Symbiosis -- Symbol, chemical -- Symbolic logic -- Symmetry -- Synapse -- Syndrome -- Synthesis, chemical -- Synthesizer, music -- Synthesizer, voice -- Systematics -- Systems of equations -- T cells -- Tabun -- Tanagers -- Taphonomy -- Tapirs -- Tarpons -- Tarsiers -- Tartaric acid -- Tasmanian devil -- Taste -- Taxonomy -- Tay-Sachs disease -- Tea plant -- Telegraph -- Telemetry -- Telephone -- Telescope -- Television -- Temperature -- Temperature regulation -- Tenrecs -- Teratogen -- Term -- Termites -- Terns -- Terracing -- Territoriality -- Tetanus -- Tetrahedron -- Textiles -- Thalidomide -- Thanatology -- Theorem -- Thermal expansion -- Thermochemistry -- Thermocouple -- Thermodynamics -- Thermoluminescence -- Thermometer -- Thermostat -- Thistle -- Thoracic surgery -- 3D imaging -- 3D printing -- Thrips -- Thrombosis -- Thrushes -- Thunderstorm -- Tides -- Time -- Tinamous -- Tissue -- Tit family -- Titanium -- Toadfish -- Toads -- Tomato family (Solanaceae) -- Tongue worms -- Tonsillitis -- Topology -- Tornado -- Torque -- Torus -- Total solar irradiance -- Toucans --Touch -- Towers of Hanoi -- Toxic shock syndrome -- Toxicology -- Trace elements -- Tragopans -- Trains and railroads -- Tranquilizers -- Transcendental numbers -- Transducer -- Transformer -- Transgenics -- Transistor -- Transitive -- Translations -- Transpiration -- Transplant, surgical -- Trapezoid -- Tree -- Tree shrews -- Trichinosis -- Triggerfish -- Triglycerides -- Trigonometry -- Tritium -- Trogons -- Trophic levels -- Tropic birds -- Tropical cyclone -- Tropical diseases -- Trout-perch -- True bugs -- True eels -- True flies -- Trumpetfish -- Tsunami -- Tuatara lizard -- Tuber -- Tuberculosis -- Tularemia -- Tumbleweed -- Tumor -- Tuna -- Tundra -- Tunneling -- Turacos -- Turbine -- Turbulence -- Turkeys -- Turner syndrome -- Turtles -- Typhoid fever -- Typhus -- Tyrannosaurus rex -- Tyrant flycatchers -- Ulcers -- Ultracentrifuge -- Ultrasonics -- Ultraviolet astronomy -- Unconformity -- Underwater exploration -- Ungulates -- Uniformitarianism -- Units and standards -- Uplift -- Upwelling -- Uranium -- Uranus -- Urea -- Urology -- Vaccine -- Vaccine hesitancy -- Vacuum -- Vacuum tube -- Valence -- Van Allen belts -- Van der Waals forces -- Vaping and e-cigarettes -- Vapor pressure -- Variable -- Variable stars -- Variance -- Varicella zoster virus -- Variola virus -- Vegetables -- Veins -- Velocity -- Venus -- Verbena family (Verbenaceae) -- Vertebrates -- Video recording -- Viking project -- Violet family (Violaceae) -- Vipers -- Viral genetics -- Vireos -- Virtual particles -- Virtual reality -- Virus -- Viscosity -- Vision -- Vision correction surgery -- Vision disorders -- Vitamin -- Viviparity -- Vivisection -- Volatility -- Volcano -- Voles -- Volume -- Voyager spacecraft -- Vulcanization -- Vultures -- VX agent -- Wagtails and pipits -- Walkingsticks -- Walnut family -- Walruses -- Warblers -- Wasps -- Waste management -- Waste, toxic -- Water -- Water bears -- Water conservation -- Water cycle (hydrologic cycle) -- Water lilies -- Water microbiology -- Water pollution -- Water treatment -- Waterbuck -- Watershed -- Waterwheel -- Wave motion -- Waxbills -- Waxwings -- Weapon-grade plutonium and uranium, tracking -- Weasels -- Weather -- Weather forecasting -- Weather mapping -- Weather modification -- Weathering -- Weavers -- Weevils -- Welding -- West -- Nile virus -- Wetlands -- Wheat -- Whisk fern -- White dwarf -- White-eyes -- Whooping cough -- Wild type -- Wildfire -- Wildlife -- Wildlife trade (illegal) -- Willow family (Salicaceae) -- Wind -- Wind chill -- Wind energy -- Wind shear -- Wintergreen -- Wireless communications -- Wolverine -- Wombats -- Wood -- Woodpeckers -- Woolly mammoth -- Work -- Wrens -- Wren-warblers -- Wrynecks -- Xenogamy -- Xenotransplantation -- X-ray astronomy -- X-ray crystallography -- X-rays -- Xylotomy -- Yak -- Yam -- Yeast -- Yellow fever -- Yew -- Yttrium -- Y2K -- Zebras -- Zero -- Zika virus -- Zodiacal light -- Zoonoses -- Zooplankton.Covers all major areas of science, engineering, technology, as well as mathematics and the medical and health sciences, while providing a comprehensive overview of current scientific knowledge and technology. Entries typically describe scientific concepts, provide overviews of scientific areas and, in some cases, define terms.Description based on print version record.
Subjects: Science;
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