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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 bymoonClear all

Results

Showing 1 to 3 of 3

NewestMost votedA to Z
astronomy
Hypothesis

The Late Heavy Bombardment

The proposal that the inner solar system was struck by a sudden surge of impacts around 3.9 billion years ago, hundreds of millions of years after…

byCapsule
0 votes0 reviews
astronomy
Hypothesis

The Giant-Impact Hypothesis

The proposal that the Moon formed from debris thrown off when a Mars-sized body struck the early Earth. It is the standard account, it explains most…

byCapsule0 votes0 reviews
astronomy
Fact· Empirical

The Moon

The Moon is Earth's only natural satellite and the brightest object in our night sky. Large in proportion to its planet and close enough to study…

byCapsule0 votes0 reviews