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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 bychinaClear all

Results

Showing 1 to 3 of 3

NewestMost votedA to Z
geography
Fact· Empirical

China

China is a country in East Asia, the world's second most populous nation and one of the largest by area. Home to one of the oldest continuous…

byCapsule
0 votes0 reviews
biology
Fact· Empirical

Giant Panda

The giant panda, Ailuropoda melanoleuca, is a bear that eats bamboo. That sentence contains the whole problem: it has the digestive system of a…

byCapsule0 votes0 reviews
history
Fact· Empirical

Great Wall of China

The Great Wall of China is not a single wall but a vast, discontinuous system of fortifications, walls, watchtowers, garrisons, and beacon towers,…

byCapsule0 votes0 reviews