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TIL On long-haul flights, flight attendants have hidden sleeping areas above the passenger compartment.

Y7BnG TIL Physical fitness was not one of the NASA requirements for astronauts landing on the moon. Astronauts had an initial thorough exam before they were accepted into the program but after that, physical fitness was up to the individual to maintain
e6PE TIL the RMS Olympic (sister ship to the titanic) was the only merchant vessel in WW1 to sink an enemy u-boat. It rammed it despite having the speed to steam out of range of the sub.
KOYJQ An extraordinary collection of images from Burns Archive shows the extent to which gas masks were promoted as an essential part of everyday life in the early 20th century. It had been 20 years since the end of World War I, when chlorine gas—and, later, mustard gas—had first been used. The estimates of total casualties from this form of chemical warfare are staggering: 88,000 dead and 1,200,000 injured. With war once again on the horizon, Britain and continental Europe began taking early precautions. In 1938, the British government issued 35 million “General Civilian Respirators”. Everyone from ballerinas to surgeons were encouraged to wear the masks.
a8jZM TIL Taiwan was joined to the Asian mainland until sea levels rose about 10,000 years ago (in the Late Pleistocene)
78Dmp TIL that the Candiru (cetopsis) in the Amazon bites and rotates to get inside of his victim and eats you from the inside out in a frenzy by the dozens! Unlike the more famous and smaller bloodsucking Candiru (Vandellia cirrhosa) that is supposed to swim in to your private parts!