› added 9 years ago

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TIL that when the Confederate Army was low on gunpowder, bat caves were raided for poop. Bat guano’s high nitrate content provided a key ingredient for the production of gunpowder.

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ap5y TIL that a serial killer with the highest known victim count since 1900 will be released from jail in about 9 years.
0lkR TIL that there designs for a rocket even larger than the Saturn V that could boost 1.2 million pounds into orbit. It was so large it had to be launched partially submerged and was call the Sea Dragon.
rER1 TIL that, as an experiment, Mass. transit police placed cardboard-cutout cops near two bike racks in Cambridge. Bike theft dropped 67% in a month.
ep4Eb TIL Rotationplasty is a surgical procedure where, in case of bone tumor, they remove a child's lower leg, rotate it 180 degree and attach it to a thigh bone in a way that makes an ankle joint serve as a "new knee". It looks like having one leg shorter and rotated back.
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