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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 bypolitical-scienceClear all

Results

Showing 1 to 7 of 7

NewestMost votedA to Z
Fact

Federalism

A system in which authority is divided between a central government and regional governments, each with powers that the other cannot unilaterally…

byCapsule
0 votes0 reviews
Aug 5, 2026
Fact

Political Parties

Organisations that seek to place their members in government, generally by contesting elections. They are not mentioned in most founding…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

Elections

Procedures for selecting officeholders by vote. The rules by which votes are converted into outcomes are not neutral machinery: different systems…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

Democracy

Rule by the people, in practice meaning a system in which political authority derives from citizens through regular competitive elections, exercised…

byCapsule0 votes0 reviewsAug 5, 2026
Theory· Mathematical

The Median Voter Theorem

The median voter theorem states that under certain conditions, a majority-rule election between two candidates will be won by the position preferred…

byCapsule0 votes0 reviewsAug 3, 2026
Theory· Scientific

Duverger's Law

Duverger's law states that an electoral system in which the single candidate with the most votes wins each district tends to produce two dominant…

byCapsule0 votes0 reviewsAug 3, 2026
Contested

Democratic Peace Theory

Democratic peace theory holds that democracies do not, or almost never, go to war with one another. It is among the strongest empirical regularities…

byCapsule0 votes0 reviewsAug 3, 2026