› added 4 years ago

158

TIL: how bullets are made.

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e077g TIL Cough drops used to be made with morphine and heroin.
n9OY TIL the welfare state was originally a right-wing invention by arch-conservative Otto von Bismarck. Bismarck hated socialism, but he wasn’t an ideologue. He figured out that if you don’t provide a minimum safety net to workers, they will be persuaded by the socialists.
R54ma TIL "gene guns" (referred to formally as biolistic particle delivery systems) exist. They work by firing small, metal bullets coated with genetic material at a target. While normally used on plants due to the relative ease of transformation, they have also been tested on animal cell cultures.
WkLAA TIL Coyotes use their howls and yipping to create a kind of census of coyote populations. If their howls are not answered by other packs, it triggers an autogenic response that produces large litters.
yQ5Nw TIL ‘The Mountain’ actor from Game of Thrones beat the 1,000-year-old world record for taking 5 steps with a 10-meter log that weighed 1,430 lb.