Scientific hypothesis
idea that proposes a tentative explanation about a phenomenon or a narrow set of phenomena observed in the natural world (primary features of a scientific hypothesis: falsifiability, testability)
Proto-Uralic homeland hypotheses
laryngeal theory
8-vowel theory
Nice model
cosmic censorship hypothesis
Lysenkoism
Dark flow
white hole
nebular hypothesis
expanding Earth
matching hypothesis
Rings of Pluto
hidden sector
jumping-Jupiter scenario
ergodic hypothesis
PAH world hypothesis
Poverty of the stimulus
cold fusion
dark energy
supersymmetry
grand tack hypothesis
Prout's hypothesis
nuclear winter
Gaia hypothesis
continuum hypothesis
Snowball Earth
Kurgan hypothesis
Two-source hypothesis
Armenian hypothesis
Sahara pump theory
centrifugal mechanism of acceleration
Solutrean hypothesis
Pole shift hypothesis
Marcan priority
language of thought hypothesis
Lexical Integrity Hypothesis
lead and crime hypothesis
antagonistic pleiotropy hypothesis
Church-Turing thesis
conjecture
orchestrated objective reduction
Great Man theory
many-worlds interpretation
Actinide concept
universal language
Copenhagen interpretation
pilot wave theory
Anatolian hypothesis
Omphalos hypothesis
firewall