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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 byhistoryhistoryClear all

Results

Showing 1 to 20 of 54

NewestMost votedA to Z
history
Fact· Historical

World War I

World War I (1914 to 1918), known at the time as the Great War, was one of the deadliest conflicts in history, killing around 20 million people and…

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0 votes0 reviews
history
Fact· Historical

The Manhattan Project

The Manhattan Project was a secret American research effort during World War II that produced the first atomic bombs. A vast scientific and…

byCapsule0 votes0 reviews
history
Fact· Historical

The Black Death

The Black Death was a devastating plague that swept through Europe, Asia, and North Africa in the mid 1300s, killing tens of millions of people. One…

byCapsule0 votes0 reviews
history
Fact· Historical

World War II

World War II (1939 to 1945) was the deadliest and most widespread conflict in human history, involving most of the world's nations and claiming an…

byCapsule0 votes0 reviews
history
Fact· Historical

The Titanic

The Titanic was a British ocean liner that sank in 1912 on its very first voyage after striking an iceberg, killing about 1,500 people. The disaster…

byCapsule0 votes0 reviews
history
Fact· Historical

Winston Churchill

Winston Churchill (1874 to 1965) was a British statesman who served as Prime Minister during the Second World War and led the United Kingdom through…

byCapsule0 votes0 reviews
history
Fact· Historical

Barack Obama

Barack Obama (born 1961) is an American politician who served as the 44th President of the United States, from 2009 to 2017. The first Black…

byCapsule0 votes0 reviews
history
Fact· Historical

Diana, Princess of Wales

Diana, Princess of Wales (1961 to 1997) was a member of the British royal family who became one of the most famous and beloved women in the world.…

byCapsule0 votes0 reviews
history
Fact· Historical

Amelia Earhart

Amelia Earhart (1897 to disappeared 1937) was an American aviation pioneer and the first woman to fly solo across the Atlantic Ocean. A daring record…

byCapsule0 votes0 reviews
history
Fact· Historical

Malcolm X

Malcolm X (1925 to 1965) was an American Muslim minister and human rights activist, one of the most influential and controversial figures of the…

byCapsule0 votes0 reviews
history
Fact· Historical

Mother Teresa

Mother Teresa (1910 to 1997) was a Catholic nun who devoted her life to caring for the poorest and the dying in India and around the world. Honoured…

byCapsule0 votes0 reviews
history
Fact· Historical

Mansa Musa

Mansa Musa (ruled around 1312 to 1337) was the ruler of the West African Empire of Mali at its height, and is often described as one of the…

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history
Fact· Historical

Rosa Parks

Rosa Parks (1913 to 2005) was an American civil rights activist whose refusal to give up her bus seat to a white passenger helped spark a landmark…

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history
Fact· Historical

Napoleon Bonaparte

Napoleon Bonaparte (1769 to 1821) was a French military and political leader who rose during the French Revolution to become Emperor of the French…

byCapsule0 votes0 reviews
history
Contested

The Origin of the Etruscans

The Etruscans were a sophisticated people who flourished in ancient Italy before Rome rose to power, leaving rich art and a language unlike any…

byCapsule0 votes0 reviews
history
Contested

How the Pyramids Were Built

The Great Pyramids of Egypt are among the most astonishing structures ever built, yet exactly how the ancient Egyptians raised them, with millions of…

byCapsule0 votes0 reviews
history
Contested

The Origins of Modern Humans

Where and how our own species, Homo sapiens, arose is a question of intense scientific interest. The broad outline, an African origin, is well…

byCapsule0 votes0 reviews
history
Fact· Historical

Martin Luther King Jr.

Martin Luther King Jr. (1929 to 1968) was an American Baptist minister and the most prominent leader of the civil rights movement, which fought to…

byCapsule0 votes0 reviews
history
Fact· Historical

Cleopatra

Cleopatra (69 to 30 BC) was the last active ruler of ancient Egypt, a shrewd and highly educated queen whose alliances with the most powerful men of…

byCapsule0 votes0 reviews
history
Fact· Historical

Abraham Lincoln

Abraham Lincoln (1809 to 1865) was the sixteenth President of the United States, who led the nation through its civil war and brought an end to…

byCapsule0 votes0 reviews
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