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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 bysportClear all

Results

Showing 1 to 6 of 6

NewestMost votedA to Z
sport
Fact

The Marathon

A running race of 42.195 kilometres. The distance is arbitrary, its founding story is largely legend, and it has become the standard test of…

byCapsule
0 votes0 reviews
sport
Fact

Association Football

The most widely played and watched sport in the world, contested by two teams of eleven who may not use their hands. Its modern form was codified in…

byCapsule0 votes0 reviews
sport
Fact· Historical

Serena Williams

Serena Williams (born 1981) is an American tennis player widely regarded as one of the greatest athletes of all time. With a record breaking career…

byCapsule0 votes0 reviews
sport
Fact· Historical

Pelé

Pelé (1940 to 2022) was a Brazilian footballer regarded by many as the greatest of all time. A scorer of more than a thousand goals, he won three…

byCapsule0 votes0 reviews
sport
Fact· Historical

Muhammad Ali

Muhammad Ali (1942 to 2016) was an American boxer and one of the most famous and influential sportspeople of the twentieth century. A three time…

byCapsule0 votes0 reviews
history
Fact· Historical

The Olympic Games

The Olympic Games are the world's foremost international sporting event, bringing together thousands of athletes from nearly every nation to compete…

byCapsule0 votes0 reviews