› added 8 years ago

73

Til: An average of 5-7 persons are reported missing in Las Vegas every day.

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W70B9 TIL the current rate of biodiversity extinction is estimated to be 1000 times higher than the background rate of 0.1 E/MSY (extinctions per million species-years) and rising all due to human activity and consumption.
xVEx0 TIL: One evening, while rushing for dinner after a long day at the lab, Constantin Fahlberg, a chemist at Johns Hopkins, forgot to wash his hands that had traces of benzoic sulfimide. This compound made his dinner taste sweet, and that’s how he discovered the artificial sweetener Saccharin.
dLkE TIL F-35B Fighter Pilots have a Helmet that accesses 6 cameras around the body of the plane, allowing them to basically see through the plane. Also, it costs $400,000.
0DQy TIL of jails that offer upgraded cells, for roughly $75 to $127/day, the convicts get a small cell behind a regular door, distance from violent offenders and, in some cases, the right to bring an iPod or computer
RlgQ TIL the Mississippi River ran backwards in 1812