› added 4 years ago

71

TIL that the sound version of a black hole is called a 'dumb hole'

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via reddit.com

d8amQ TIL about a protein called pikachurin, a protein discovered in 2008 that is present in the retina and helps with the transmission of electrical impulses between the eyes and the brain
xVZWg TIL that the Soviets technically made it to the moon first (landing an unmanned spacecraft in one piece)
16WDO TIL that the Pentagon spent $170,000 to find out why one spills coffee while walking.
b6Wp9 TIL shipbuilders often place "Sacrificial Anodes", which is metal nodules made of easily-reacting metal like zinc, to "force" the Anodising corrosion to happen on these "throwaway" spots rather than on the main steel hull of the ship
p8L9G TIL of Dominomus, a female house sparrow that flew into a convention center in Netherlands and caused 23,000 of the dominos being prepared for “Domino Day 2005” to be knocked over. A hunting company hired to capture the bird failed, and finally just shot it, sparking an animal rights controversy.