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The vortex at Saturn’s north pole, observed by the Cassini space probe on December 30, 2013.

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7rlGZ TIL Grizzly bears' muscles don't atrophy during hibernation because they produce additional amino acids that stimulate muscle cell growth.
NBy1 TIL that the first vending machine – a device that dispensed holy water in exchange for a coin – was invented in the first century A.D.
kEE TIL: Despite spending over $1 Trillion on the war on drugs teenage Marijuana use has more then doubled since the 1990s.
5Gy8 TIL The drunk driver who killed NBA star Malik Sealy was arrested twice more for drunk driving after the fatal crash.
xVag1 TIL Norway will allow any student from anywhere in the world to study at their public universities completely free of charge