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TIL that individuals high in psychopathic traits show reduced susceptibility to contagious yawning; that is, yawning after seeing or hearing another person yawn.

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NXGlM TIL in 1783, Jean-François Pilâtre de Rozier made the first manned free balloon flight. He later died in 1785 attempting to fly across the English Channel, becoming the first victim of an air crash.
D1VMY TIL that Forrest Fenn’s infamous treasure chest has been found.
kO6ae TIL that the reason the speed of light is EXACTLY 299,792,458 metres per second is that the metre is technically defined by international agreement as the distance light travels in 1/299792458 of a second.
LkZQ9 TIL that in fall of 2018, Starbucks’ coffee was found to have connections to forced labor plantations where workers were subject to debt bondage and unsafe working conditions. This was 8 months after they were named one of the World’s Most Ethical companies for the 12th year in a row.
R75r8 Being wary of Friday the 13th is much more than a quaint superstition observed by a few uneducated people in distant, unreachable towns and hamlets. In the United States alone, it is estimated that between 17 and 21 million people dread that date to the extent that it can be officially classified as a phobia.