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TIL: The big bang theory was first proposed by a catholic priest.

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via reddit.com

m1xpR TIL that one of the earliest recorded variations of classic dad phrase "Women: can't live with 'em, can't live without 'em" is found in a speech from 102 B.C. by Roman Censor Q. Caecilius Metellus Numidicus, in a speech that would be repeated by Caesar Augustus nearly a century later
OGPVL TIL a Jiffy is a real unit of time (a jiffy is about 3 × 10 to the power of minus 24 seconds)
JYXb4 TIL Vasily Arkhipov was the sole officer aboard a submarine who refused to authorize a nuclear strike, presumably saving the world from nuclear destruction during the cold war.
4Xpk5 TIL Your pup can pick up on subtle changes in your scent, which can help him figure out how you are feeling — such as by smelling your perspiration when you become nervous or fearful. It’s also likely how dogs can detect certain diseases or know that a household member is pregnantIn
ZM5p TIL I learned that the meaning of “abracadabra” is derived from Aramaic (ancient Hebrew) meaning “it is created as I speak it”.