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DebunkedThe PolygraphThe instrument popularly called a lie detector, which records breathing, blood pressure, pulse and skin conductance dur…

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The library

Capsules

1,028 capsules, each one classified by the strength of its evidence.

All1,028Fact599Proven130Theory89Hypothesis71Contested90Debunked48
geography236biology88physics67history54medicine45astronomy33psychology26mathematics26chemistry20engineering20astrophysics19neuroscience19anthropology18art18
Filtered byHypothesisbiologybiologyClear all

Results

Showing 1 to 15 of 15

NewestMost votedA to Z
biology
Hypothesis

The Major Transitions in Evolution

The proposal that the history of life is punctuated by a small number of events in which independently reproducing entities combined into a larger…

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biology
Hypothesis

The Sexy Son Hypothesis

The proposal that a female may benefit from choosing an attractive mate even if he provides nothing else, because her sons inherit the attractiveness…

byCapsule0 votes0 reviews
biology
Hypothesis

The Baldwin Effect

The proposal that behaviours learned during life can steer subsequent genetic evolution, without any Lamarckian inheritance of acquired traits. It…

byCapsule0 votes0 reviews
biology
Hypothesis

Group Selection

The proposal that natural selection can act on groups as well as individuals, favouring traits that benefit the group at the individual's expense. It…

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biology
Hypothesis

Niche Construction

The proposal that organisms do not merely adapt to environments but build them, and that the environments they build become selection pressures for…

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biology
Hypothesis

The Extended Evolutionary Synthesis

The proposal that evolutionary theory needs restructuring to give causal roles to development, inheritance beyond genes, and organisms shaping their…

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biology
Hypothesis

The Red Queen Hypothesis

The proposal that organisms must keep evolving simply to maintain their position, because everything they interact with is evolving too. It takes its…

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biology
Hypothesis

Antagonistic Pleiotropy

The proposal that ageing is caused by genes which help early in life and harm later, and which selection favours anyway because early effects matter…

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biology
Hypothesis

The Disposable Soma Theory

The proposal that organisms age because it is not worth the energy to maintain a body indefinitely when something will kill it anyway. It explains…

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biology
Hypothesis

The Free Radical Theory of Ageing

The proposal that ageing is cumulative damage from reactive oxygen species produced by normal metabolism. It dominated ageing research for half a…

byCapsule0 votes0 reviews
biology
Hypothesis

The Drunken Monkey Hypothesis

The proposal that the human attraction to alcohol descends from a primate ancestor's taste for fermenting fruit, in which ethanol signalled ripeness…

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biology
Hypothesis

Viral Eukaryogenesis

The proposal that the cell nucleus originated as a large DNA virus that took up permanent residence in an ancestral cell. It is a minority position…

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biology
Hypothesis

The Aquatic Ape Hypothesis

The aquatic ape hypothesis is the controversial idea that human ancestors went through a phase of living partly in water, and that this shaped many…

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biology
Hypothesis

Panspermia

Panspermia is the hypothesis that life exists throughout the universe and is spread between worlds by space dust, meteoroids, asteroids, and comets.…

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biology
Hypothesis

Abiogenesis: The Origin of Life

Abiogenesis is the natural process by which life is thought to have arisen from non living matter, such as simple chemical compounds. How life first…

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