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TIL that an Australian man searching for a toilet stumbled across the oldest-known evidence of Aboriginal settlement in existence from 49,000 years ago

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via ift.tt

NXPa1 TIL not only does water only block 20% of UV rays with 3 feet of depth, but also the water surface reflects UV rays so being around water increases UV exposure
AD6Xn TIL One habit of intelligent humans is being easily annoyed by people around them, but saying nothing in order to avoid a meaningless argument.
JYnEv TIL that Thor Heyerdahl, a Norwegian Ethnographer, sailed from Peru to Polynesia on an primitive balsa wood raft to prove that ancient trans-oceanic travel was possible. When experts called it a fluke, he made an Egyptian reed boat and sailed it from Morocco to Central America to prove them wrong.
OopP1 TIL in 1986 a Russian commercial pilot made a bet with the first officer that he could land blind with curtains over the cockpit windows. He lost the bet, crashing and killing 70 people
YpgBG TIL the motto of Spain was originally Non Plus Ultra ("Nothing further beyond") but after the discovery of the New World it was reversed to be Plus Ultra ("Further beyond").