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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 5 of 5

NewestMost votedA to Z
urban planning
Fact

Urban Parks

Public open green space within a city, maintained for recreation and amenity. They were created deliberately as a response to industrial urban…

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sociology
Fact

Urbanisation

The shift of a population from rural to urban living. More than half the world's people now live in cities, a threshold crossed around 2007, and the…

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urban planning
Fact

Public Transport

Shared passenger transport available to the general public on fixed routes and schedules. Its economics differ fundamentally from private transport,…

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urban planning
Fact

Zoning

The regulation of what may be built where, by dividing a city into districts with different permitted uses and building limits. It is the primary…

byCapsule0 votes0 reviews
architecture
Fact

Skyscraper

A very tall multi-storey building, made possible in the late nineteenth century by two technologies arriving together: the steel frame and the safe…

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