› added 5 years ago

748

TIL the Nazi war machine of WWII was not fully mechanized, and was heavily reliant on horses for transport

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6NWZ TIL that human tears are a defense mechanism, the scent of which causes testosterone levels to decrease, reducing both aggression and sexual urges.
5pwR TIL that it is illegal to collect or possess eagle feathers in the United States, and only enrolled members of a federally recognized Native American tribe may legally possess them.
694b7 TIL: In 2021, scientists experimented with CRISPR gene editing on hamsters. They removed vasopressin and Avprla, expecting that upon removal the hamsters would be "cuddly" and "adorable" all the time, but it had the opposite effect, causing them to be aggressive, territorial, and violent.
W7Qk8 TIL a 2016 study by the University of Michigan found that pizza was the most addictive food, followed by chocolate and potato chips. The least addictive foods were cucumbers, carrots, and beans which were even less addictive than water.
YKG7 TIL the oldest piece of paper in the world was found in China and dates back to the second or first century B.C. Paper was so durable, it was sometimes used for clothing and even light body armor.