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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 bymicrobiomeClear all

Results

Showing 1 to 3 of 3

NewestMost votedA to Z
Hypothesis

The Old Friends Hypothesis

The proposal that the immune system requires exposure to organisms it co-evolved with in order to develop proper regulation, and that losing those…

byCapsule
0 votes0 reviews
Aug 3, 2026
Hypothesis

The Gut-Brain Axis

The proposal that gut microbes influence mood, behaviour and neurological disease, and that altering them could treat psychiatric and…

byCapsule0 votes0 reviewsAug 3, 2026
Contested

The Hygiene Hypothesis

The hygiene hypothesis is the proposal that reduced exposure to microbes in early childhood leaves the immune system poorly calibrated, and that this…

byCapsule0 votes0 reviewsAug 3, 2026