› added 12 years ago

66

TIL that a reliable way of detecting art forgeries is to test for cesium-137 and strontium-90 as these isotopes did not exist in nature prior to the first use of nuclear weapons in 1945.

Read more wikipedia.org

via reddit.com

7relb TIL there is a small Pacific Island where about 10% of the population are completely colorblind (only see shades of black/white/grey). The condition limits vision in full sunlight, but may lead to sharper vision at night, like for night fishing.
jNVMM TIL Martin Short, Steve Martin and Tom Hanks have regular ‘colonoscopy parties’ where they prep together overnight and share one car on the ride to get their colonoscopies the next day
XJGr TIL that South Korea plans to give robots their own city and theme park
0wlKp TIL no one can buy land in Canberra, only lease the land for 99 years
pleQ TIL the US state of Maryland had a colony in Africa called the Republic of Maryland.