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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 byFactgeologyClear all

Results

Showing 1 to 10 of 10

NewestMost votedA to Z
geology
Fact

Mining

Extracting minerals from the ground. Every manufactured object contains material that was mined, the industry has been transformed by scale and…

byCapsule
0 votes0 reviews
paleontology
Fact

Fossils

The preserved remains or traces of past life. They are the direct evidence for the history of life on Earth, and the record they form is…

byCapsule0 votes0 reviews
geology
Fact

The Rock Cycle

The continuous transformation of rock between igneous, sedimentary and metamorphic forms, driven by heat from the Earth's interior and by weathering…

byCapsule0 votes0 reviews
geology
Fact

Glaciers

Masses of ice large enough to move under their own weight. They hold most of the world's fresh water, they carved much of the landscape of the…

byCapsule0 votes0 reviews
geology
Fact· Empirical

Volcano

A volcano is an opening in a planet's crust through which molten rock, gas, and ash erupt from the hot interior to the surface. On Earth they are…

byCapsule0 votes0 reviews
geology
Fact· Empirical

Earthquake

An earthquake is a sudden shaking of the ground caused by the release of energy deep within the Earth. Most are too faint to feel, but the largest…

byCapsule0 votes0 reviews
geography
Fact· Empirical

Grand Canyon

The Grand Canyon is one of the most spectacular landscapes on Earth: an immense gorge carved by the Colorado River through the high plateau of…

byCapsule0 votes0 reviews
geography
Fact· Empirical

Niagara Falls

Niagara Falls is a group of three powerful waterfalls on the Niagara River, straddling the border between Canada and the United States. Though not…

byCapsule0 votes0 reviews
geography
Fact· Empirical

Mount Fuji

Mount Fuji is the highest mountain in Japan and one of the most beloved and recognisable mountains in the world. Rising 3,776 metres in a…

byCapsule0 votes0 reviews
geology
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 reviews