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TIL; Admission to Canada’s nation parks is free all of 2017 because it’s Canada’s 150th year celebration

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W7LJX TIL, Jupiter's upper atmosphere is much hotter (~425°C/800°F) than originally predicted and much hotter at the poles than the equator. Jupiter's magnetic field creates enormous auroras at the poles that heat up the rest of the planet.
XEWgP TIL Kmart USA is down to its final 10 stores!
4lk6 TIL Illegal coal mining activities in Mongolia, and the intense use of coal burned on simple stoves has turned a region of Mongolia once famed for its blue skies into one of the world’s most polluted
7mY7 TIL that Mark Zuckerberg unsuccessfully tried to sell facebook for $75 million in 2005.
0wdAR Possibly. The trees-down (or “arboreal”) hypothesis has been around for many years, says evolutionary biologist Richard O. Prum of Yale University. Researchers guessed that the scales of tree-dwelling Triassic reptiles elongated into feathers, which helped them leap away from predators. Once the proto-birds could glide, they were en route to avian flight. “It was like one big, crazy hairball of ideas all stuck together,” Prum says.