› added 6 years ago

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TIL Ravens can recognize the faces of people who have treated them unfairly and tend to avoid those people for at least a month

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via reddit.com

Pv0J TIL sunflowers can “remove up to 95% of uranium of contaminated water in 24 hours”. And “experiments in Chernobyl have demonstrated that they can concentrate on 55 kg of plant dry weight all the cesium and strontium radioactivity from an area of 75 m2”.
X0MdX TIL U.S President Lyndon B. Johnson used to give out toothbrushes with the Presidential Seal on them. He said he wanted people to think of him last thing at night and first thing in the morning.
VVyp TIL George Washington stopped the Revolutionary War to return a lost dog to the enemy. The terrier of a British general was found wandering the battlefield. The US waved a truce flag, and both sides stopped shooting until the dog was successfully returned to the British commander.
kO8vg TIL a CIA project called 'Operation Paperclip' allowed hundreds of Nazi scientists to live freely in the US providing them cushy jobs and a high standard of living. Many of these scientists have committed horrendous war crimes, like experimenting on live humans with chemical and biological weapons
neR9B TIL: In the 1990s, two Boeing 737s (one in 1991 near Colorado Springs, the other in 1994 near Pittsburgh) crashed due to a design flaw that let the rudder move on its own without warning, which killed 157 in total. In 1996, a third aircraft experienced the same issue but landed safely in Richmond.