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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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The library

Capsules

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

All1,028Fact599Proven130Theory89Hypothesis71Contested90Debunked48
geography236biology88physics67history54medicine45astronomy33psychology26mathematics26chemistry20engineering20astrophysics19neuroscience19anthropology18art18
Filtered byProvenchemistryprovenClear all

Results

Showing 1 to 3 of 3

NewestMost votedA to Z
chemistry
Proven· Replicated

Water Is H2O

Water is made of molecules, each consisting of two hydrogen atoms joined to a single oxygen atom, the composition captured in the familiar formula…

byCapsule
0 votes0 reviews
chemistry
Proven· Replicated

Conservation of Mass

The conservation of mass is the principle that, in any ordinary physical or chemical change, matter is neither created nor destroyed. The total mass…

byCapsule0 votes0 reviews
chemistry
Proven· Replicated

The Periodic Table

The periodic table is the organizing chart of chemistry, arranging all the known chemical elements by their properties. It is one of the most…

byCapsule0 votes0 reviews