› added 11 years ago

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TIL special forces are trained to ignore the effects of flashbang grenades by being exposed to them from 100-200 times in training

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KYXDR TIL sound travels at 343 m/s in air, 1,481 m/s in water (almost 4.3 times as fast) and at 5,120 m/s in iron (almost 15 times as fast) and in diamond sound travels at 12,000 metres per second (39,000 ft/s),[2]— about 35 times its speed in air because of how exceptionally stiff diamond is.
R7WM9 TIL that The World Taekwondo Federation (WTF) changed its name to World Taekwondo because of the "negative connotations" associated with its initials. The organisation had used the previous name since it was established in 1973.
ANJnd TIL that KFC exists internationally
x6Eek TIL In 1972, the US House of Representatives election in Alaska was held. Candidate Nick Begich disappeared a month earlier in a suspected plane crash. His body and the wreckage were never found. Despite this, he still won the election.
mVKy TIL that a retired police captain is the co-founder of a group to legalize drugs, and that he makes an ironclad case for it.