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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 byFactClear all

Results

Showing 81 to 100 of 599

NewestMost votedA to Z
Fact

Rock Art

Images made on rock surfaces, by painting, engraving or carving. It is the largest surviving body of prehistoric art, it is found on every inhabited…

byCapsule
0 votes0 reviews
Aug 5, 2026
Fact

Probability

The mathematics of uncertainty. It assigns numbers between zero and one to events, and its rules are simple enough to state on a page and produce…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

Polymers

Molecules built from many repeating units linked in chains. They include most plastics, all proteins and nucleic acids, rubber and cellulose, and…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

Examinations

Formal tests used to assess knowledge or ability, generally to certify attainment or to select. They are far older than modern schooling, they…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

Food Preservation

Techniques for preventing food from spoiling. All of them work by attacking the same small set of conditions that microorganisms and enzymes require,…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

Pollination

The transfer of pollen from the male part of a flower to the female part, allowing fertilisation. Most flowering plants depend on animals to do it,…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

DNA Sequencing

Determining the order of bases in a DNA molecule. The cost has fallen faster than almost any technology in history, and that fall converted…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

Allergy

An immune response to a harmless substance. The machinery involved evolved to deal with parasites, the response causes the disease rather than the…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

The Cerebral Cortex

The outer layer of the cerebrum, a sheet of neurons a few millimetres thick folded to fit inside the skull. It performs the processing associated…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

Computer Networks

Systems connecting computers so that they can exchange data. The design decisions taken in the 1960s and 1970s determined the shape of the internet,…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

Film Editing

The selection and arrangement of shots into a finished film. It is the operation that distinguishes film from recorded theatre, and the conventions…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

The Cathedral

The principal church of a diocese, containing the bishop's seat. Medieval European cathedrals were the largest and most technically ambitious…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

Taboo

A prohibition so strong that violating it provokes disgust or horror rather than merely disapproval. Taboos are found in every society, they are…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

Literary Criticism

The study, interpretation and evaluation of literature. Its central question is what a text means and who decides, and the answers offered have…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

Harmony

The combination of simultaneous pitches, and the system governing which combinations are used and how they follow one another. It is the organising…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

Contracts

Legally enforceable agreements. They allow people to bind their future selves, which makes cooperation possible between parties who have no other…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

Grammar

The system of rules governing how words combine into phrases and sentences in a language. Every language has one, every speaker knows it without…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

The Family

A group of people related by descent, marriage or adoption, and the primary unit through which children are raised and property transmitted in most…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

Emotion

States combining physiological change, expressive behaviour and subjective feeling, arising in response to events that matter to the organism. What…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

Taxation

Compulsory payments levied by a state on individuals and organisations. It funds government, and its structure determines who bears the cost of…

byCapsule0 votes0 reviewsAug 5, 2026
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