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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 byProvenecologyClear all

Results

Showing 1 to 2 of 2

NewestMost votedA to Z
biology
Proven

Nitrogen Fixation

Air is nearly eighty percent nitrogen and almost nothing can use it. Breaking the bond that holds the molecule together is what makes proteins and…

byCapsule
0 votes0 reviews
oceanography
Proven

Ocean Acidification

The ocean absorbs roughly a quarter of the carbon dioxide released by human activity, and dissolved carbon dioxide makes seawater more acidic. The…

byCapsule0 votes0 reviews