› added 9 years ago

358

TIL Humans can hear the difference between hot and cold water being poured.

Read more npr.org

via reddit.com

4Xbyb TIL wallets weren't used for carrying money and identification like they are now. They carried things like dried meats and "things to be unseen". It was also considered uncivilized to carry your wallet in your pocket up until the 20th century.
6vXZ TIL Hunter S. Thompson committed suicide and upon his request, Johnny Depp fired his ashes out of a cannon during his funeral.
0waaR TIL that the first surgery was practiced around 3000BC and it was called trephining. It involved putting a hole in someone’s head, and some theorize that is was used to rid the body of evil spirits. This surgery was in use through Medieval times and the renaissance.
X0k06 TIL the company name evian spelled backwards is naive
X0DbP TIL John Von Neumann proposed an idea of self replicating spacecraft. Robert Freitas calcd they could colonize the milky way in 500k years. That we see no evidence of them implies we are alone. Carl Sagan argued rate of replication would consume so much mass no intelligent species would build them