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79

TIL in 1981 Muhammad Ali Talked a Suicidal Man Off a Ledge

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6EEOX If you’re a mammal, no. But if you're not...
d80OZ TIL that a deep sea snail known as the Scaly-Foot Gastropod, which was only recently discovered in 2001, has a shell so well constructed that the U.S. military is researching its design, hoping to incorporate its defensive layers to improve military armor.
87M4 TIL: Before WWII, skim milk, as a byproduct of the butter making process, was either thrown out or used to fatten pigs up. Shortly thereafter, it was marketed as a weightloss food to people.
yQ6Re TIL that some animals have their brains changing seasonly depending on the needs. Like in birds the singing part of the brain grows in the build-up to mating season to increase their sing-skills.
mW0P TIL a group of researchers using sonar to look for shipwrecks at the bottom of Lake Michigan found a Stonehenge-like structure 40 feet beneath the surface of the water - the formation could be as much as 10,000 years old.