Philosophy

Ethics and Other Topics
A. Abortion, Adoption, Animal Torture, Assisted Suicide, Atheology, Axiology
B. Biology, Building Codes
C. Cloning, Cremation, Cryptozoology
D. Death Penalty, Discrimination
E. Economy, Embryonic Stem Cell Research, Epistemolog, Euthanasia, Evolutionary Creationism
F. First strike nuclear weapons
G. Gambling, Gay Marriage, Gay Military Service, Government, Gun Registration
H. Hate Crimes, Hunting for Sport
I. In-vitro Fertilization, Iraq War, Isolationism
J.
K.
L. Line-item veto
M. Mandated helmet use, Mandated seat belt use, Military Draft
N.
O. Origin of the Universe
P. Patriot Act, Private Military Weaponry Ownership, Prostitution, Psychoactive Drugs
Q.
R. Racial Segregation, Racism, Religion, Rent
S. Sexism, Slavery, Strikes, Social Security
T. Taxes, Theology
U.
V.
W.
X.
Y.
Z. Zoning
Physics
A. Speed of Light
B. Elementary Particles
Astronomy
A. Stars
B. Quasars
C. Matter, Antimatter, Dark Matter, Cold Matter, Cold Dark Antimatter, etc...
D. Planets - terrestrial, Jovian, exoplanets
E. Comets
F. Galaxies
G. Satellites
Cosmology
A. Origins (Big Bang v. Chaotic Inflation, Oscillation, Eternal Universe, Multiverse, Vacuum Fluctuation, Quantum Gravity)
B. Age of the universe
C. Size of the universe
D. Ultimate fate of the universe (scenarios, timeline)
Psychology
A. Self-Esteem
B. Help
C. Disorders - neurosis, psychosis, depression, schizophrenia,
D. Phobias
E. Intelligence Quotient
Athletics
A. Exercise
B. Sports - competitive, leagues, Olympics
Linguistics
A. Languages
B. Long Words
C. Grammar
D. Spelling - rules
E. Writing
F. Reading - genres
Biology
A. Classification
B. Reproduction
C. Genetics
D. Body Systems
E. Zoology
F. Cryptozoology - hoaxes such as Bigfoot, Loch Ness Monster, etc...
Math
A. Operations
B. Orders of Magnitude
C. Geometry - shapes, formulas
D. Logic - inverse, converse, contrapositive, proofs, etc...
E. numbers - real, rational, irrational, integers, imaginary, complex, quaternions, etc...
Chronology
A. Geologic Time
B. Timeline - universe, Earth, humanity
C. General Time
Theology
A. Theism
B. Polytheism
C. Monotheism
D. Henotheism
E. Pantheism
F. Panentheism
G. Deism
H. Monodeism
I. Polydeism
J. Pandeism
K. Panendeism
L. Nontheism
M. Soft Agnosticism
N. Hard Agnosticism
O. Atheism
P. Weak Atheism
Q. Strong Atheism
R. Anti-theism
Religions
A. animism, Aryanism
B. Baha'i, Buddhism (Lamaism, Mahayana, Theravada)
C. Cao Dai, Christianity (Biblical), Christian Science
D.
E. Eckankar
F. Jainism
G.
H. Hinduism
I. Islam (Ahmadiyya, Druze, Shiite, Sunni)
J. Jainism (Digambaras, Sthanakavasis, Svetambara), Judaism (Conservative, Messianic, Orthodox, Reconstructionist, Reform, Unaffiliated and Secular)
K.
L.
M. Mandaeanism, Mormonism
N.
O.
P.
Q.
R.
S. Satanism, Scientology, Shintoism (Ennokyo, Seicho-No-Ie, Sekai Kyuseikyo, Tenrikyoi, Tensho Kotai Jingukyo, Zenrinkai), Sikhism
T. Taoism
U.
V.
W. Wicca
X.
Y. Yezidism
Z. Zoroastrianism (Gabars, Parsis)
Nutrition
More categories and subcategories coming soon