Many newspapers are named “Post” because historically, town criers announced news aloud and then attached it to a post in the middle of the town, a practice dating back to medieval times.

People started wearing pajamas, originally spelled “pyjamas,” instead of nightgowns so they’d be prepared to run outside in public during World War I air raids in England.

Studies show that chewing gum boosts cerebral blood flow and brain activity, improving reaction times, memory, alertness, productivity, and even math test scores compared to a control group.

A Boeing 747 burns approximately 4 liters (0.9 gallons) of fuel every second while in flight.

In Brazil, jails reduce prisoners' sentences by 4 days (up to 48 days a year) for every book they read and report on.

Tennis player Andre Agassi won 10 of 11 matches after noticing a 'tick' in Boris Becker's serve. Agassi could predict Becker's serve based on the position of his tongue. He revealed this to Becker over a beer - after they'd both retired.

Two thousand years ago, a Greek engineer named Hero invented early versions of the steam engine, wind turbine, and vending machine, showcasing remarkable ingenuity that foreshadowed modern technology.