› added 1 year ago

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TIL that the term “brain freeze” to describe a cold-stimulus headache was only invented in 1991, and is a trademark of 7-Eleven.

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0d8nj TIL the last train robbery in the US was in 1970, at the San Antonio Zoo.
lLrK TIL building a time machine is believed to be scientifically possible but requires building a gigantic particle accelerator in space, stabilizing space-time foam, plucking out a wormhole, enlarging it and connecting it a gravitational field.
epyK4 TIL the characters "Perry the Platypus" and "Knuckles the Echidna" do represent the only two families in the monotremata order. Which means Platypus and Echidna are the only two families of egg-laying mammals on Earth.
BrR7W TIL that archaeologists routinely find edible honey in ancient Egyptian tombs - the stuff never spoils, due to extremely low water-content, very low pH, and hydrogen peroxide (made by an enzyme in the bees' stomachs).
x4g7 TIL the Voyager missions were launched when they did to take advantage of a unique planetary arrangement that allowed flight time to Neptune to be reduced from 30 years to 12. This alignment occurs every 175 years.