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TIL Marc Gross uses Google Earth and drones to shoot elephants with Capsaicin paintballs, deterring them from poachers

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via reddit.com

PYXow TIL that many historical sailors decided not knowing how to swim beneficial, if they fell overboard it would be a swifter death than if they knew how to swim.
WoaX TIL babies exposed to sign language babble using their hands the same way other babies do with their mouths
9Y0o7 TIL during WW2, a fake town was built to disguise the Boeing plant that was building B17 bombers.
PYQbV TIL even animals like jellyfish that lack brains need to snooze. Biologists have discovered that like people, jellyfish hit the hay & have the same trouble we do waking up. Because these creatures are very low on the animal family tree, the work suggests that the ability to sleep evolved quite early
wLpOE TIL The Last Supper by Leonardo has a large missing section at the bottom of it where Jesus's feet would be. It was cut away in 1652 to make room for a door in the church where it was kept, after the paint faded away to the point of being unrecognizable.