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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 byFactdevelopmentClear all

Results

Showing 1 to 4 of 4

NewestMost votedA to Z
Fact

Gene Regulation

The control of which genes are expressed, when, and how strongly. Every cell in an organism carries the same genome, so what distinguishes a neuron…

byCapsule
0 votes0 reviews
Aug 5, 2026
Fact

Sex Determination

The mechanisms by which an organism develops as male, female or another form. The systems are far more varied than the mammalian arrangement…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

Urbanisation

The shift of a population from rural to urban living. More than half the world's people now live in cities, a threshold crossed around 2007, and the…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

Literacy

The ability to read and write. It is a comparatively recent condition for most of humanity, it was achieved unevenly and rapidly, and it changes the…

byCapsule0 votes0 reviewsAug 5, 2026