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193

TIL that on its birthday (April 5th) Curiosity sings itself “Happy Birthday.”

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BjRd TIL According to psychologist Arthur Aron, there are 36 questions that could lead to love. Each question is more probing than the previous one and leads to a mutual vulnerability that fosters closeness. The final exercise is to stare into each other’s eyes for 4 minutes.
rNJGy TIL Railway Post Office cars sorted and delivered mail on moving trains, using hooks to catch mailbags without stopping. The last service ended in 1977, but remnants still exist along decommissioned tracks. At its peak, 9,000 trains covered 200,000 miles of mail routes.
0Vg1 TIL - Without the presence of dominant male elephants, juvenile elephants of Pilanesberg bullied rhinos and female elephants until fully grown male elephants were introduced to quell the bad behavior.
OGZYY TIL that at the North Pole there is no local time since all lines of longitude, and thus all time zones, converge there. The sun rises, and sets only once per year, meaning that the sun's position could also not be used to synchronise time.
8apRP TIL that beavers hate the sound of running water so much that they will build dams around speakers that are playing the sound of water running over rocks.