› added 1 year ago

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TIL there's a spider, Cyclosa ginnaga, that builds larger, fake spider decoys in its web to deter predators. The decoys are made from debris, insect carcasses, and silk.

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8DwL TIL that a Johns Hopkins professor procured 34 gallons of whiskey during prohibition for his research. He observed that subjects got better at throwing darts as they got drunker.
vrWj TIL at least 100 people have been murdered in hate crimes from members of a single White Supremacist online forum
V9yD TIL that after needing 13 liters of blood for a surgery at the age of 13, a man named James Harrison pledged to donate blood once he turned 18. It was discovered that his blood contained a rare antigen which cured Rhesus disease. He has donated blood a record 1,000 times and saved 2,000,000 lives.
p8YnN TIL Toy Story 2 was nearly deleted after a Pixar employee accidentally ran a command that started removing files
LkJPr TIL that before Charles Martin Hall discovered a cheaper way for smelting aluminium the metal was more expensive than gold or platinum.