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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
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Results

Showing 1 to 3 of 3

NewestMost votedA to Z
Fact

Combustion

The rapid reaction of a fuel with an oxidant that releases heat and usually light. It is the oldest technology humans control, it still supplies most…

byCapsule
0 votes0 reviews
Aug 5, 2026
Fact

Acids and Bases

Two complementary classes of substance, defined by what they do with protons or with electron pairs. The distinction organises a large part of…

byCapsule0 votes0 reviewsAug 5, 2026
Theory

Transition State Theory

The account of chemical reaction rates that treats a reaction as passing through a specific high-energy configuration, the transition state, and…

byCapsule0 votes0 reviewsAug 4, 2026