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TIL The Spanish name Esteban and the French name Étienne are equivalent to the English name Stephen. They all derive from the Greek name Stephanos.

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R5bj6 TIL in Henry Fords' childhood farming was manual. He wanted to "lift the burden of farming from flesh and blood and place it on steel and motors." Ford was the only automotive firm to sell cars, trucks and tractors simultaneously from 1917 to 1928.
M7YmB TIL that the pistol shrimp can create a bubble underwater that reaches temperatures similar to the surface of the sun.
rZoW TIL elephants can tell the difference between human languages and know which languages belong to people with a history of hurting elephants.
wop97 TIL the 1st jet airliner passed extreme tests yet broke up in normal flight b/c the tests actually made it stronger. A 2x overpressure test on the prototype Comet strengthened it through "cold-working," making it last longer. Production Comets, lacking stress testing, wore out much faster.
R79JQ TIL dogs wag their tails with a right bias in positive situations and with a left bias in negative situations.