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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 byartcultureClear all

Results

Showing 1 to 3 of 3

NewestMost votedA to Z
Fact

Museums

Institutions that collect, preserve, study and display objects. What they display is a small fraction of what they hold, how they came to hold it is…

byCapsule
0 votes0 reviews
Aug 5, 2026
Fact

Dance

Movement of the body performed for expression, ritual or social purpose, generally in relation to rhythm. It is present in every documented human…

byCapsule0 votes0 reviewsAug 5, 2026
Fact· Historical

The Mona Lisa

The Mona Lisa is a portrait painted by Leonardo da Vinci in the early sixteenth century, now hanging in the Louvre in Paris. The most famous painting…

byCapsule0 votes0 reviewsJun 11, 2026