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Short answer: Ever heard of man-struation?

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WE69 TIL Theoretically a gravity train through the center of the earth, would take just 42minutes to travel to any other location on earth
ABWg TIL that Autrian ethologist Karl von Frisch was nominated for the Noble Prize in 1927 for his work on deciphering the Waggle dance of honey bees. Using the Waggle dance, a bee communicates to other worker bees the direction and distance of the most productive flowers using the angle of the sun.
8ajjb TIL in 2008 nearly half of Liechtenstein's labor force were daily commuters from nearby countries - Austria, Switzerland and Germany.
61VY TIL Gabe Newell is so confident in Valve’s Steam Guard he has announced his Steam username and password and challenged people to get in
ADYAl TIL there are radioactive elements called "bone seekers" because they are chemically similar to calcium and the body tries to use them to build bones.