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TIL Simply calmly treading the water in a rip tide can return you to shore in 3 minutes, because rip currents are really whirlpools, according to an oceanography professor's study that sensors to analyze the flow of wave water. (Source: nps.edu, 2010)

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ByAr TIL: Duct tape should never be used for taping ducts
v1XJK TIL RPG doesn’t actually stand for rocket-propelled grenade instead it actually stands for “Ruchnoy Protivotankoviy Granatomyot” which translates to “Hand-held anti-tank grenade launcher”
p8poA TIL that all the dogs who played Lassie were male and were all descended from the initial Lassie, a collie named Pal
neJZW TIL that a Danish man saved over 6000 chinese people from the japanese army during the Nanking Massacre.
E0lW TIL the President of Ecuador offered to let the US keep an airbase in his country, but only if Ecuador could have a base in Miami.