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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 byFactmedicineClear all

Results

Showing 1 to 6 of 6

NewestMost votedA to Z
medicine
Fact

Nursing

The care of the sick, injured and dependent. Nursing is the largest health profession by a wide margin, its outcomes are measurable and substantial,…

byCapsule
0 votes0 reviews
medicine
Fact

Surgery

Treatment by physical intervention in the body. Surgery was limited for millennia not by knowledge of anatomy but by three specific obstacles, and…

byCapsule0 votes0 reviews
medicine
Fact

Insulin

The hormone that allows cells to take up glucose from the blood. Its discovery in 1921 turned type 1 diabetes from a fatal disease into a manageable…

byCapsule0 votes0 reviews
medicine
Fact

The Lungs

The organs that bring air into contact with blood so that oxygen can enter and carbon dioxide can leave. They achieve this across a surface roughly…

byCapsule0 votes0 reviews
medicine
Fact

The Liver

The largest internal organ and the most chemically versatile, performing several hundred distinct functions. It is the only human internal organ that…

byCapsule0 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