› added 5 years ago

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TIL Obsidian Blades are so sharp that they can cut cells and DNA. They are used are used in modern medicine because the sharp blades create incisions which heal faster.

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via reddit.com

R57A8 TIL about President Risto Ryti of Finland who, in exchange for military and food assistance during WWII, promised Germany he would fight the Soviet Union. Germany provided the supplies, and Ryti resigned, allowing his successor to seek peace with the Soviets.
E1Ond TIL There are twice as many trees in the UK today as there were a hundred years ago.
m14M TIL If you have ever worked with the CIA in any capacity you are permanently precluded from working with the Peace Corps
X0k98 TIL that Tucker Carlson used to work at CNN
Z8PyD TIL in the 1940s and 50s MIT scientists fed unsuspecting boys oatmeal laced with radioactive materials at a school for mentally disabled and abandoned boys