Can you solve the missing square puzzle?
Destin of Smarter Every Day uses a high-speed camera and Adobe After Effects to thoroughly explain the ‘rolling shutter effect’
Youtuber, life coach and explainer of things, Exurb1a, has 58 tips for a happy life. Some humour, some swearing and some pretty decent advice, enjoy
Alan Fitzpatrick of the Salem Fire Department uses a burning, wooden doll house to teach the basics of fire behavior to new recruits
They can go without water for decades, survive the hottest and coldest environments on Earth, and can even withstand high levels of radiation
The Nerdwriter breaks down one of the most well-known speeches of the 20th century
In this excerpt from episode 1 of Carl Sagan’s ‘Cosmos’, he explains how the Greek scholar, Eratosthenes, knew the Earth was curved over 2,200 years ago