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

Free solo climber Alex Honnold climbed El Capitan (900m) in Yosemite without ropes in 3 hours 56 minutes in 2017.

Banksy, the anonymous street artist, has never been definitively identified despite decades of speculation.

Beethoven's Fifth Symphony opens with one of the most recognizable motifs in classical music — four notes long.

The Maori of New Zealand use a rich oral tradition called 'kōrero' to preserve history and genealogy.

Mozart composed his first symphony at age 8 and had written over 600 works by the time he died at 35.

Rowing is considered one of the most physically demanding Olympic sports, requiring near-maximal effort for about 6 minutes.

The fastest recorded tennis serve exceeded 150 miles per hour.

John Cage's 4'33" consists of four minutes and thirty-three seconds of silence — performed in concert halls.