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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 byProvenneurosciencebiologyClear all

Results

Showing 1 to 3 of 3

NewestMost votedA to Z
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…

byCapsule
0 votes0 reviews
neuroscience
Proven

Colour Vision

Colour is not a property of light. It is what the visual system computes from the responses of three receptor types, and the computation is what…

byCapsule0 votes0 reviews
neuroscience
Proven

The Action Potential

The electrical pulse a nerve cell uses to signal. It is the unit of communication in every nervous system, its mechanism is understood in…

byCapsule0 votes0 reviews