› added 9 years ago

300

TIL of Rat Park. When given the choice between normal water and morphine water, the rats always chose the drugged water and died. When in Rat Park where they had space, friends and games, they rarely took the drug water and never became addicted or overdosed despite many attempts to trick them

Read more wikipedia.org

via reddit.com

nroG TIL That the first day of Hanukkah and Thanksgiving will only ever coincide once in all of human history, and that it is this year.
b9eK9 TIL the KKK sent death threats and led boycotts against Johnny Cash in the 1960's. They incorrectly thought his wife at the time was black.
YlyW TIL in 1926, Agatha Christie vanished without a trace. Thousands of volunteers helped search, along with planes in the sky, and dogs on the ground. After 11 days, a musician recognized her at a hotel, where she was living under a fake name. Christie died without ever having explained her absence.
4Xo06 TIL that sled dogs can run without getting tired because their bodies can directly burn fat and protein for energy whereas other animals need carbs to do so.
W7yp9 TIL that in 2021 former NBA center Shawn Bradley was involved in a bike accident that left him paralyzed. He has since described his height (7 foot 6 or 2.29m) as a hindrance to recovery since quadriplegia at that height has no medical precedent.