› added 7 years ago

116

TIL on 9/11, despite security telling people to stay, Aon executives began evacuating their employees and thus saved 924 lives.

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j6ndp TIL that we found vitamin B3 on an asteroid
9wLEM TIL that the last U.S. Army cavalry charge in combat occurred in 1942. American soldiers would not enter combat on horseback again until Army Green Berets used them in October 2001.
P1e4E Today I learned the power symbol we see on computers (a circle with a line on the top) is a combination of the number zero and one, replicating the binary state a computer can be in: on or off.
xVLKg TIL that when 13-year-old Ryan White got AIDS from a blood donor in 1984, he was banned from returning to school by a petition signed by 117 parents. An auction was held to keep him out, a newspaper supporting him got death threats, and his family left town when a gun was fired through their window.
DQL9v TIL that the prairy dog's scientific name is "Cynomys" (Greek for "dog mouse") and I think that's adorably accurate