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146

TIL of an Appalachian family that inbred to the point that newborns had blue skin.

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JYAVj TIL dogs can "laugh" when they're playful. Researchers played recordings of dogs laughing to stressed shelter dogs, resulting in the dogs showing significantly fewer signs of stress. Many of the dogs and puppies began to bounce around, and responded with laughs of their own.
EggBw TIL about corn sweat, where corn plants release water into the air. One acre of corn can release 3,000-4,000 gallons of water per day, and can raise the humidity level up to 10%.
9Par TIL that caterpillars literally melt down into a sac of fluid cells, which are used to create the entire body from scratch, forming a butterfly.
e07lb TIL Researchers found that beards were only more attractive if they were uncommon. In a study, if researchers showed a single bearded man amongst many shaved men, the bearded person was ranked as more attractive. If shown amongst other bearded men, it lost its benefit.
J4x1 TIL Woodrow Wilson was the most educated President of the United States in history as the only one with a Doctorate. He also passed the Georgia bar exam without finishing law school.