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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 byreplicationClear all

Results

Showing 1 to 3 of 3

NewestMost votedA to Z
Contested

Stereotype Threat

The proposal that awareness of a negative stereotype about one's group can impair performance on a task the stereotype concerns. The original…

byCapsule
0 votes0 reviews
Aug 4, 2026
Debunked

Water Memory

The claim that water retains a biological imprint of substances it once contained, after dilution so extreme that not a single molecule of the…

byCapsule0 votes0 reviewsAug 4, 2026
Contested

Growth Mindset

The theory that believing ability can be developed, rather than being fixed, improves achievement. It became one of the most widely adopted ideas in…

byCapsule0 votes0 reviewsAug 3, 2026