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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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  • FactTardigrade
  • FactMonarch Butterfly
  • FactSpider

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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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ecology
Fact

Food Webs

The network of feeding relationships in an ecosystem. It describes who eats whom, and because energy is lost at every transfer, it explains why large…

byCapsule
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ecology
Fact

Biodiversity

The variety of life, measured at the level of genes, species and ecosystems. It is unevenly distributed, incompletely catalogued, and declining at a…

byCapsule0 votes0 reviews