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Capsule of the Day

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

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  • FactTardigrade
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The library

Capsules

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

All1,028Fact599Proven130Theory89Hypothesis71Contested90Debunked48
geography236biology88physics67history54medicine45astronomy33psychology26mathematics26chemistry20engineering20astrophysics19neuroscience19anthropology18art18
Filtered byProvenpharmacologyClear all

Results

Showing 1 to 2 of 2

NewestMost votedA to Z
chemistry
Proven

Chirality

The property of an object that cannot be superimposed on its mirror image, as with a left and a right hand. In chemistry it applies to molecules, and…

byCapsule
0 votes0 reviews
neuroscience
Proven

The Blood-Brain Barrier

A selective barrier separating the brain's blood supply from its tissue, admitting what neurons need and excluding almost everything else. It…

byCapsule0 votes0 reviews