Olympic weightlifters follow a precise diet and weigh in the day before competition to make their weight category.

Manga's distinctive large eyes were popularized by Osamu Tezuka, inspired partly by Disney characters like Bambi.

Poverty traps occur when poverty itself prevents people from acquiring the resources to escape it.

Michael Phelps is one of the most decorated Olympians in history.

The Parthenon has no straight lines — all horizontals slightly curve upward and columns lean slightly inward to appear straight to the human eye.

Aboriginal Australians have oral traditions and songlines that preserve ecological knowledge going back tens of thousands of years.

Manga accounts for about 40% of all printed material sold in Japan.

Haiku poetry traditionally captures a moment in time, contrasting a seasonal reference (kigo) with a cutting word (kireji).

The oldest known musical instruments are bone flutes found in Germany dating to at least 40,000 years ago.