› added 9 months ago

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TIL Dwight D. Eisenhower, the 34th president of the United States & mastermind behind the D Day attacks was the president of Columbia University.

Read more library.columbia.edu

via reddit.com

QNE0a TIL that some moths have a "stealth coating" that acts as an acoustic form of camouflage against bat predators. This scaly coating dampens the sound of their wings and helps them hide from an echolocating bat’s “view” of the night sky
nmK7 TIL Because of Robin’s constant exploits with Batman, it took him more than 30 years to complete High School.
7rZPO TIL, during the Norway 2011 shootings, an innocent teenager originally from Chechnya, Russia, was arrested and interrogated as a suspect because he did not react with the same level of tears and hysteria as the other survivors.
QJLVE TIL that there were over 158,962,555,217,826,360,000 combinations to the Enigma Machine, regarding the codes it could use for messages. Yet, Alan Turing's Bombe machine, through just trial and error, was able to decode messages sent by Germans in 20 minutes.
65dZ TIL that on July 2, 2013 the United States repealed a law that prohibited the government from paying to distribute propaganda.