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TIL the International Space Station has gravity and everything is weightless only because they are in a constant free-fall around Earth

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awN0N TIL the sailfish is considered by scientists to be the fastest swimming marine creature in the world, though not all experts agree. This fish has been clocked travelling in excess of 68 mph.
jNKWa TIL that the normal intelligible outdoor range of the male human voice in still air is 180 m (590 ft 6.6 in). The silbo, the whistled language of the Spanish-speaking inhabitants of the Canary Island of La Gomera, is intelligible under ideal conditions at 8 km (5 miles).
Z9mD TIL Coffee stays warm 20% longer when you add cream
VBEeD TIL The Titanic was intentionally designed short of enough lifeboats for aesthetic reasons and to keep more space for elite passengers’ recreation facility needs and views
obVK TIL that there is a high school in Philadelphia that is allowed to confer degrees as well as high school diplomas. Some graduates are granted a Bachelor of Arts at graduation.