› added 2 years ago

63

TIL In the 19th and 20th century, there were dozens of documented cases of people's teeth exploding in their mouths. Primitive metal fillings were suspected to be the cause.

Read more wemakespokanevalleysmile.com

via reddit.com

WnG9 TIL the oldest alliance in the world that is still in force is between UK and portugal and date back to 1373
78RGO TIL There was a "War" horse named SGT. Reckless that served in the Korean War. Her decorations include, Purple Heart (1 Gold star), Presidential Unit Citation (1 bronze star), Navy Unit Commendation, Marine Corps Good Conduct Medal, and multiple Korean service medals.
d8YmZ TIL that only specific types of sand are useful in important building materials like concrete. This has creates a shortage of sand in some areas leading to black markets for illegally mined sand run by sand mafias and sand pirates.
yB6M TIL that two psychologists, inexperienced in interrogation, were paid $80 million for developing and running the CIA torture program.
wLbNo TIL butterflies do not urinate or defecate, but the caterpillar almost continually defecates. When there are enough caterpillars in the same place, their defecation is audible.