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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
Filtered byoceanographyClear all

Results

Showing 1 to 7 of 7

NewestMost votedA to Z
Fact

Plankton

Organisms that drift in water rather than swimming against currents. They include the base of the marine food web and produce a large share of the…

byCapsule
0 votes0 reviews
Aug 5, 2026
Fact

The Deep Sea

The ocean below roughly 200 metres, where sunlight fails. It is the largest habitat on Earth by volume, it is under extreme pressure and permanent…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

Coral Reefs

Structures built by colonial animals from calcium carbonate, occupying a tiny fraction of the ocean floor and supporting a very large share of its…

byCapsule0 votes0 reviewsAug 5, 2026
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…

byCapsule0 votes0 reviewsAug 5, 2026
Proven

Tides

The periodic rise and fall of sea level caused by the gravitational pull of the Moon and Sun acting unequally across the Earth. The cause has been…

byCapsule0 votes0 reviewsAug 4, 2026
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 reviewsAug 3, 2026
Proven

Thermohaline Circulation

A global system of deep ocean currents driven by differences in water density, which itself depends on temperature and salinity. It moves heat around…

byCapsule0 votes0 reviewsAug 3, 2026