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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
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The library

Capsules

1,028 capsules, each one classified by the strength of its evidence.

All1,028Fact599Proven130Theory89Hypothesis71Contested90Debunked48
geography236biology88physics67history54medicine45astronomy33psychology26mathematics26chemistry20engineering20astrophysics19neuroscience19anthropology18art18
Filtered bymedicineClear all

Results

Showing 41 to 45 of 45

NewestMost votedA to Z
medicine
Proven· Clinical

Smoking Causes Cancer

That tobacco smoking causes cancer is one of the most thoroughly established findings in all of medicine. Smoking is the leading preventable cause of…

byCapsule
0 votes0 reviews
medicine
Fact· Empirical

Vaccines

A vaccine is a preparation that trains the immune system to recognize and fight a specific disease before the body is ever exposed to the real…

byCapsule0 votes0 reviews
medicine
Proven· Clinical

Pasteurization

Pasteurization is the process of heating a food or drink to a specific temperature for a set length of time in order to kill harmful microorganisms…

byCapsule0 votes0 reviews
medicine
Proven· Clinical

Penicillin

Penicillin was the first true antibiotic, a medicine that kills bacteria and cures infections that had once been routinely fatal. Its discovery and…

byCapsule0 votes0 reviews
medicine
Debunked

Bloodletting

Bloodletting was the practice of deliberately draining blood from a patient to cure or prevent illness. For more than two thousand years it was one…

byCapsule0 votes0 reviews
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