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TIL the Germans had a “curved barrel device” to shoot around corners

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8aOdK TIL rather than using a mirror, some observatory telescopes were built to use a large, spinning pool of liquid metal as a reflecting surface
69Rpm TIL: That John Candy's father died of complications of heart disease at age 35 in 1955 when Candy was just five years old.
d7R7 TIL that doctors successfully silenced the genes that make chickens to grow a beak, causing it to revert back to it’s ancestral state: the snout of a dinosaur.
m1LMy TIL that owls have three eyelids.
xVZBB Today I learned the Horror frog or "Wolverine frog" breaks it's own bones to create a bone claw that protrudes from it's toes. The result is similar to the claws of the comic book character, "The Wolverine."