› added 1 year ago

49

TIL that bricks of tea were used as currency in ancient China, Tibet, and Central Asia.

Read more wikipedia.org

via reddit.com

Nmge TIL Any statistic along the lines of “the top X people have the same amount of wealth as the bottom Y people” is misleading due to the massive amount of people who have a negative net worth.
gM0yL TIL that Over 11 million Getty images, forming the Bettmann Archive, is preserved inside a cold, heavily guarded limestone mine, hundreds of feet beneath the ground, near Pittsburgh.
WkmKd TIL: Research has shown that when people are exposed to a coffee scent, they perform better on analytical tasks. Despite the scent having no caffeine in it, its effects are similar to drinking coffee due to participants' expectations, suggesting a placebo effect.
QN97M TIL about the "Battle Of The Beams", a period in WW2 when the Luftwaffe used a number of increasingly accurate systems of radio navigation for night bombing, and the British fought back with a variety of their own increasingly effective means, involving jamming and deception signals.
XonQ TIL Bill Gates wrote the computer program to schedule students in class, and then modified the code so he would be placed in classes with mostly female students