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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 bybiographyClear all

Results

Showing 41 to 58 of 58

NewestMost votedA to Z
Fact· Historical

Galileo Galilei

Galileo Galilei (1564 to 1642) was an Italian astronomer, physicist, and engineer, often called the father of modern science. By insisting on…

byCapsule
0 votes0 reviews
Jun 12, 2026
Fact· Historical

Charles Darwin

Charles Darwin (1809 to 1882) was an English naturalist whose theory of evolution by natural selection transformed our understanding of life. He…

byCapsule0 votes0 reviewsJun 12, 2026
Fact· Historical

Isaac Newton

Isaac Newton (1642 to 1727) was an English mathematician and physicist, widely regarded as one of the greatest scientists who ever lived. His…

byCapsule0 votes0 reviewsJun 12, 2026
Fact· Historical

Oprah Winfrey

Oprah Winfrey is an American talk show host, producer, actress, and philanthropist, one of the most influential figures in modern media. Born in 1954…

byCapsule0 votes0 reviewsMay 30, 2026
Fact· Historical

Andrew Carnegie

Andrew Carnegie was a Scottish American industrialist who led the enormous expansion of the American steel industry in the late nineteenth century…

byCapsule0 votes0 reviewsMay 29, 2026
Fact· Historical

John D. Rockefeller

John D. Rockefeller was an American business magnate who became the dominant figure in the early oil industry and, by most accounts, the wealthiest…

byCapsule0 votes0 reviewsMay 21, 2026
Fact· Historical

Katherine Johnson

Katherine Johnson was an American mathematician whose precise calculations of orbital mechanics were critical to the success of the United States'…

byCapsule0 votes0 reviewsMay 10, 2026
Fact· Historical

Leonardo da Vinci

Leonardo da Vinci was an Italian polymath of the High Renaissance whose range across art and science has made his name a byword for genius. Born in…

byCapsule0 votes0 reviewsMay 2, 2026
Fact· Historical

Steve Jobs

Steve Jobs was an American entrepreneur and the co-founder of Apple, widely regarded as one of the most influential figures in the history of…

byCapsule0 votes0 reviewsApr 25, 2026
Fact· Historical

Kanye West

Kanye West, who legally changed his name to Ye in 2021, is an American rapper, record producer, and fashion designer, and one of the most influential…

byCapsule0 votes0 reviewsApr 5, 2026
Fact· Historical

Henry Ford

Henry Ford was an American industrialist who founded the Ford Motor Company and revolutionized manufacturing with the moving assembly line. Born in…

byCapsule0 votes0 reviewsApr 4, 2026
Fact· Historical

Jay-Z

Jay-Z, born Shawn Corey Carter in 1969, is an American rapper and businessman widely regarded as one of the greatest and most commercially successful…

byCapsule0 votes0 reviewsApr 3, 2026
Fact· Historical

Nelson Mandela

Nelson Mandela was a South African anti-apartheid revolutionary and statesman who served as the country's first democratically elected president.…

byCapsule0 votes0 reviewsFeb 26, 2026
Fact· Historical

Nikola Tesla

Nikola Tesla was an inventor and electrical engineer best known for his pioneering contributions to the alternating current electrical system that…

byCapsule0 votes0 reviewsFeb 4, 2026
Fact· Historical

Albert Einstein

Albert Einstein was a German born theoretical physicist widely regarded as one of the greatest scientists of all time. Born in 1879 in Ulm, he…

byCapsule0 votes0 reviewsJan 30, 2026
Fact· Historical

Marie Curie

Marie Curie was a Polish born physicist and chemist who conducted pioneering research on radioactivity, a term she coined. Born Maria Skłodowska in…

byCapsule0 votes0 reviewsJan 30, 2026
Fact· Historical

Elon Musk

Elon Musk is a businessman and engineer known for leading several of the most prominent technology companies of the era, including Tesla and SpaceX.…

byCapsule0 votes0 reviewsJan 14, 2026
Fact· Historical

Walt Disney

Walt Disney was an American animator, film producer, and entrepreneur who pioneered the animated film and built one of the world's most famous…

byCapsule0 votes0 reviewsJan 14, 2026
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