Alternative Energy
Umbrella term, Energy, Fossil fuel, Nuclear energy, Carbon dioxide, Global warming, Intergovernmental Panel on Climate Change, Radioactive waste, Ethanol fuel »

Ancient Philosophy
Western Philosophy, Christianity, Roman Empire, Hellenistic Philosophy, Medieval Philosophy, Eastern Philosophy, Spread of Islam, Caliphate »

Back To The Future
Science fiction film, Adventure film, Robert Zemeckis, Bob Gale, Steven Spielberg, Michael J. Fox, Marty McFly, Christopher Lloyd, Crispin Glover, Lea Thomps... »

Barbara Mcclintock
Nobel Prize in Physiology or Medicine, Cytogenetics, Doctor of Philosophy, Botany, Cornell University, Maize, Chromosome, Genetic recombination »

Bear (Gay Culture)
LGBT Slang, Gay, Bisexuality, Facial Hair, Overweight, Masculinity, Personal Grooming, Shunning, Effeminacy, Transgender, Trans Man, Gender, Sexual Orientation »

Books Of The Bible
Jew, Catholic Church, Old Testament, New Testament, Oriental Orthodoxy, Eastern Catholic Churches, Deuterocanonical books, Biblical apocrypha, Gospel of Matt... »

C4 Carbon Fixation
C4 carbon fixation, C3 carbon fixation, Crassulacean acid metabolism, Plant, Carbon dioxide, Sugar, Photosynthesis, RuBisCO, Calvin cycle, Photorespiration, ... »

Cannibal Holocaust
Exploitation film, Ruggero Deodato, Gianfranco Clerici, Amazon Rainforest, Documentary film, Indigenous peoples of the Americas, Anthropology, Robert Kerman,... »

Capital Punishment
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Class Field Theory
Algebraic number theory, Ideal class group, Quadratic field, Galois, group, Hilbert class field, Square root, Abelian extensio, Abelian group, Global field »