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TIL that NY’s tap water has tiny crustaceans in it to combat mosquito larvae in the water supply. As such, water in NY is not Kosher.

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neZKP TIL of the "first night effect". During the first night in unfamiliar surroundings the left side of the brain stays awake and the right ear, which is connected to the left side of the brain, remains more alert to unusual sounds.
wL1Q6 TIL The battleship Imperator Aleksandr III was built by Imperial Russia, taken by Provisional Russia, given to Germany, given to Britain, given to White Russians, and then sold for scrap by the French. The ship guns were then sold to the Finns, stolen by Nazis, and returned to Russia after WW2.
e0Nkg TIL if you climb to the altitude of 408 km from Earth, a person’s weight would be around 90% of what it would be on the ground. The ISS astronauts’ weightlessness is not because “space has no gravity”. Their weightlessness is due to them being in a free fall, constantly accelerating towards Earth.
wLxe8 These men are about to make history. Part of Nasa's Commercial Crew Program, Bob Behnken and Doug Hurley will take part in the first launch with astronauts of a SpaceX rocket and capsule to the International Space Station. The government-private industry partnership is notable because Nasa has historically always owned and operated its space vehicles.
1EWd TIL that at one point during russian special purpose forces training, the trainees are shot at the chest while wearing body armor to give them a taste of the real battlefield