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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 byContestedmedicineClear all

Results

Showing 1 to 2 of 2

NewestMost votedA to Z
Contested

Microplastics and Human Health

Plastic particles smaller than five millimetres are now found throughout the human body. Whether they cause disease at the levels people are actually…

byCapsule
0 votes0 reviews
Aug 4, 2026
Contested

What Causes Alzheimer's Disease

Alzheimer's disease is the most common cause of dementia, slowly destroying memory and thinking. That it damages the brain is clear, but what…

byCapsule0 votes0 reviewsJun 12, 2026