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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 byProvenbiotechnologyClear all

Results

Showing 1 to 2 of 2

NewestMost votedA to Z
Proven

The Polymerase Chain Reaction

A method for making billions of copies of a chosen stretch of DNA from a starting sample too small to work with. It made genetic testing, forensic…

byCapsule
0 votes0 reviews
Aug 3, 2026
Proven· Replicated

CRISPR Gene Editing

CRISPR is a method for cutting DNA at a chosen location, which makes editing a genome a routine laboratory procedure rather than a specialist feat.…

byCapsule0 votes0 reviewsAug 3, 2026