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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 byFactclimate-scienceClear all

Results

Showing 1 to 4 of 4

NewestMost votedA to Z
Fact

The Carbon Cycle

The movement of carbon between the atmosphere, oceans, land and rock. It operates on two timescales that differ by a factor of millions, and human…

byCapsule
0 votes0 reviews
Aug 5, 2026
Fact

Climate Models

Computer simulations of the climate system, built from physical laws and used to understand past climate and project future change. They are the…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

The Jet Stream

Narrow bands of fast wind near the top of the troposphere, flowing generally west to east. They steer weather systems across the middle latitudes and…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

El Nino and La Nina

A recurring shift in ocean temperature and atmospheric pressure across the tropical Pacific that alters weather across much of the world. It is the…

byCapsule0 votes0 reviewsAug 5, 2026