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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 byfinanceClear all

Results

Showing 1 to 6 of 6

NewestMost votedA to Z
Fact

Insurance

The transfer of risk from an individual to a pool in exchange for a payment. It works because large numbers behave predictably even when individuals…

byCapsule
0 votes0 reviews
Aug 5, 2026
Fact

Banking

Institutions that take deposits and make loans. The central fact about banking is that it creates money rather than merely storing it, and almost…

byCapsule0 votes0 reviewsAug 5, 2026
Fact

Money

Anything generally accepted in exchange for goods and services. It is defined by what it does rather than by what it is made of, and almost every…

byCapsule0 votes0 reviewsAug 5, 2026
Theory

Modern Portfolio Theory

The framework, introduced by Harry Markowitz in 1952, that treats investment as a trade-off between expected return and risk measured as variance,…

byCapsule0 votes0 reviewsAug 4, 2026
Contested

The Efficient Market Hypothesis

The efficient market hypothesis holds that asset prices reflect all available information, so that it is not possible to consistently beat the market…

byCapsule0 votes0 reviewsAug 2, 2026
Fact· Historical

Bitcoin

Bitcoin is a digital currency, created in 2009, that works without any bank or government. It was the first cryptocurrency, and it pioneered a new…

byCapsule0 votes0 reviewsJun 12, 2026