Category:Obsolete scientific theories

B

• Obsolete biology theories‎ (6 C, 23 P)

C

• Misidentified chemical elements‎ (46 P)

F

• Flat Earth‎ (1 C, 15 P)

G

• Obsolete geology theories‎ (1 C, 10 P)

H

• Hollow Earth‎ (2 C, 6 P)

M

• Obsolete medical theories‎ (2 C, 27 P)

O

• Obsolete theories in physics‎ (7 C, 44 P)

P

• Physiognomy‎ (1 C, 13 P)

V

• Vitalism‎ (3 C, 46 P)

• Superseded theories in science

A

• Adamic language
• Antiperistasis
• Arca Noë
• Azoic hypothesis

B

• Balance of nature

C

• Chiemgau impact hypothesis
• Cosmic age problem
• Cyclol

D

• Dirac large numbers hypothesis
• List of discredited substances

E

• Electrochemical dualism

F

• Firmament
• Francien language

G

• Geohumoral theory
• Global cooling

H

• History of astrology
• History of the center of the Universe
• Hollow Moon
• Homoeomeria (philosophy)

I

• Imago Universi
• Island of California

J

• Japhetic theory

L

• Lubbock Subpluvial

M

• Martian canal
• Musurgia Universalis
• Myth of superabundance

N

• Nascent hydrogen
• Nascent state (chemistry)

O

• Obsolete models of DNA structure
• Open Polar Sea

P

• Panbabylonism
• Plutonism
• Polflucht
• Psychomotor patterning

R

• Radical theory
• Rain follows the plow
• Reactivity–selectivity principle
• Recapitulation theory
• Reticular theory
• Royal Commission on Animal Magnetism
• RYB color model

S

• Scrutinium Physico-Medicum
• Spontaneous generation

T

• Tetranucleotide hypothesis
• Thomsen–Berthelot principle
• Triune brain
• Turris Babel

V

• Virino
• Vitalism