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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 byFactoceanClear all

Results

Showing 1 to 4 of 4

NewestMost votedA to Z
Fact

Ocean Currents

Persistent flows of seawater, driven at the surface by wind and at depth by differences in density. They redistribute an enormous quantity of heat…

byCapsule
0 votes0 reviews
Aug 5, 2026
Fact

El Nino and La Nina

A recurring shift in ocean temperature and atmospheric pressure across the tropical Pacific that alters weather across much of the world. It is the…

byCapsule0 votes0 reviewsAug 5, 2026
Fact· Empirical

Tsunami

A tsunami is a series of enormous ocean waves caused by the sudden displacement of a large volume of water, most often by an undersea earthquake.…

byCapsule0 votes0 reviewsJan 21, 2026
Fact· Empirical

Great Barrier Reef

The Great Barrier Reef is the world's largest coral reef system, stretching more than 2,300 kilometres along the north-east coast of Australia. So…

byCapsule0 votes0 reviewsJan 19, 2026