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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 bybiologyasiaClear all

Results

Showing 1 to 2 of 2

NewestMost votedA to Z
biology
Fact· Empirical

Elephant

Elephants are the largest living land animals, and there are three species rather than the two most references still give. They have the longest…

byCapsule
0 votes0 reviews
biology
Fact· Empirical

Tiger

The tiger, Panthera tigris, is the largest living cat, a solitary ambush predator of Asian forest, grassland and mangrove. It occupies something like…

byCapsule0 votes0 reviews