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TIL a large network of small rock dams across a watershed can increase wayer quality and repair habitats (USGS Video)

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7Vgb TIL there is an abandoned island at Disney World called Discovery Island that 3 guys swam to and found preserved snakes in coke bottles + more eerie stuff
R5dk8 TIL that Victoria Coren Mitchell's therapist, treating her intense fear of flying, died in a plane crash.
LW70 TIL There is a Brazilian proverb that says “our country grows at night when the politicians are asleep.”
N7Rk6 TIL that in 1859 a 2 hour telegraph conversation between Portland and Boston was able to be had without the use of any battery power. This was due to an aurora borealis generating enough electric current in the telegraph wires.
x68Q7 TIL: Fairyflies are very tiny insects, like most chalcidoid wasps, mostly ranging from 0.5 to 1.0 mm (0.020 to 0.039 in) long. They include the world's smallest known insect, with a body length of only 0.139 mm (0.0055 in), and the smallest known flying insect, only 0.15 mm (0.0059 in) long.