How did Greek librarian Eratosthenes accurately measure the circumference of Earth using a stick, a shadow, and a walk?

Squirrels remember where they bury some nuts, but they also forget where they bury others.

traditional pastry from Catania, Italy

The origins of this masterpiece go back far beyond the medium of anime. Learn more about the grand and epic quest that inspired Akira Toriyama.

The founder of one of the world's leading telescope manufacturers and his B.C.-based relatives are accused in two proposed class-action lawsuits filed on behalf of amateur astronomers who claim they’re victims of a massive price-fixing conspiracy.

Asthma is the most common chronic condition among Olympians. Find out how athletes with asthma manage their condition and stay in the game.

The woolly mammoth (Mammuthus primigenius) is an extinct species of mammoth that lived from the Middle Pleistocene until its extinction in the Holocene epoch. It was one of the last in a line of mammoth species, beginning with the African Mammuthus subplanifrons…

M. Night Shyamalan went to insane lengths to protect this secret twist.

custom of young school pupils at British boarding schools being used as servants by older students, later decried as inhumane

On February 2, 1980, the world learned of our high-level investigation into public corruption and organized crime, infamously code-named ABSCAM.

Olympic sport, 1900–1920

genus of fishes

1937 child marriage in Tennessee, U.S.

Canadian musician (1922-2010)

biological process of renewal, restoration, and growth that makes genomes, cells, organisms, and ecosystems resilient to natural fluctuations

Don’t believe me? Read on.

either of two Canadian-made hitchhiking robots

Wikimedia list article

lost village and culture on Sumbawa Island, Indonesia

Avi Arad says Ike Perlmutter "developed a fire in his belly of hatred and started terrorizing" Sony "on things that he had the right to and then some"

Momo the gibbon was kept in a cage by herself in a Japanese zoo. But life found a way.