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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 byFactphilosophyClear all

Results

Showing 1 to 6 of 6

NewestMost votedA to Z
philosophy
Fact

Ethics

The systematic study of how one ought to act. It asks what makes an action right, what makes a life good, and what grounds those judgements, and its…

byCapsule
0 votes0 reviews
literature
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 reviews
science
Fact

The Scientific Method

The set of practices by which scientific claims are tested against evidence. It is not a single fixed procedure, and its most important components…

byCapsule0 votes0 reviews
philosophy
Fact

Logic

The study of valid inference: which conclusions follow from which premises, and why. It is the shared foundation of philosophy, mathematics and…

byCapsule0 votes0 reviews
philosophy
Fact· Historical

Confucius

Confucius (551 to 479 BC) was a Chinese philosopher and teacher whose ideas about ethics, family, and good government shaped Chinese civilization for…

byCapsule0 votes0 reviews
philosophy
Fact· Historical

Aristotle

Aristotle (384 to 322 BC) was an ancient Greek philosopher and scientist whose work shaped Western thought for two thousand years. He wrote on an…

byCapsule0 votes0 reviews