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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 byorigin of lifeClear all

Results

Showing 1 to 2 of 2

NewestMost votedA to Z
astrobiology
Hypothesis

The Alkaline Vent Hypothesis

The proposal that life began in alkaline hydrothermal vents on the ocean floor, where mineral chimneys provided compartments and a natural proton…

byCapsule
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molecular biology
Hypothesis

The RNA World Hypothesis

The proposal that early life used RNA for both heredity and catalysis, before DNA and proteins divided those jobs between them. It solves a genuine…

byCapsule0 votes0 reviews