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TIL Great White Sharks Are Completely Terrified of Orcas that they will flee their hunting grounds and won’t return for up to a year when killer whales pass by.

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via reddit.com

l76BK TIL about the NASA Moon Trees, trees that have been to space.
X0jyr TIL that George Hull, a tobacconist and trickster fooled thousands with a “petrified giant” to settle an argument he had with a preacher.
v1bRR TIL that during the raid to kill Bin Laden nobody brought a tape measure and a 6 foot Seal was used as a human tape measure to verify Osama Bin Laden's height.
D1Zej TIL most polar bears are twins. And while they are the largest land carnivore, newborn cubs are only about 10 inches (25 cm) long, and weigh about 2.2 pounds (1kg). They grow rapidly because the mother's milk is 31% fat.
N7PG8 TIL that Americanitis - a “condition” caused by too much stress, too little sleep, rushed meals and the fast paced advance of technology - was “cured” by the Great Depression.