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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 byDebunkedagricultureClear all

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Debunked

Lysenkoism

The agricultural biology of Trofim Lysenko, adopted as official Soviet doctrine from the 1930s to the mid-1960s, which rejected genetics as a…

byCapsule
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Aug 4, 2026