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TIL that when Monarch Butterflies migrate south over Lake Superior, they steer widely around something invisible for no apparent reason. It’s widely believed that they’re steering around a mountain which no longer exists, and is just a memory that’s still passed on to modern generations

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pBRO TIL that camels don’t store water in their humps. They store fat, and tapping those reserves actually causes a net loss of hydration. They can survive for so long in the desert because of their ovular blood cells, relatively dry urine and feces, and nostrils that recycle water vapor
KOnY4 TIL that an estimated 25% of young adults in the U.S. have a fear of the slight pain caused by needles called trypanophobia, and that it may lead 16% of young adults in the U.S. to skip getting medical injections.
Bg89x TIL: a former Italian porn star, Carlo Massi, quit porn to do research in applied mathematics, got his PhD, taught real analysis, became a professor, and then got sacked for being a former porn star. He sued and won against the university.
xVXv5 TIL Congress has set out a bill to stop the FCC from taking away our Internet. PLEASE SPREAD THIS AS MUCH AS YOU CAN!
QNP9p TIL about Seven Magic Mountains, a large-scale desert artwork in Nevada. Created by the Swiss artist Ugo Rondinone, it consists of seven fluorescently-painted totems of large, car-size stones stacked 32 feet (9.8 m) high.