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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
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Results

Showing 1 to 3 of 3

NewestMost votedA to Z
Fact

Housing

Dwellings and the systems producing and allocating them. Housing is simultaneously shelter, the largest household expense in most countries, and the…

byCapsule
0 votes0 reviews
Aug 5, 2026
Fact

Taxation

Compulsory payments levied by a state on individuals and organisations. It funds government, and its structure determines who bears the cost of…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

Inflation

A sustained rise in the general level of prices, equivalently a fall in the purchasing power of money. It is measured by tracking the cost of a…

byCapsule0 votes0 reviewsAug 5, 2026