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TIL That tonic water will glow under a black light due to the presence of quinine in it.

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MeEVm TIL that because of the skin affect and the relatively high frequency of the plasma created by a tesla coil, and the low current. You can touch the output of a small coil, and instead of it going through you, shocking you, it will pass over your skin into the ground
R759Q TIL Jurrasic Park's T-Rex was almost as dangerous as a real one (and almost killed someone).
b99l0 TIL More gunpowder was used in an area of Manhattan to make Central Park than was used at the Battle of Gettysburg during the American Civil War.
LEYd TIL elephants often bury dead or sleeping humans or aid them when they are hurt
loRB7 TIL Roy Cleveland Sullivan, nicknamed the "Human Lighting Rod," was struck by lightening on 7 different occasion between 1942 and 1977 and survived every strike