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TIL that the Large Blue Butterfly (Maculinea arion) is carnivorous in its caterpillar stage, feeding on the red ant (Myrmica sabuleti) larvae by mimicking the sound and scent of their queen ant to infiltrate their colonies. 40 years ago it became extinct in Britain but was reintroduced from Europe.

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M7yn7 TIL the M60 Light Machine Gun was made from the German FG42, essentially making it a "modernized" version of it.
R58Gj TIL Jaywalking laws vary dramatically from country to country. In most countries crossing outside of designated a crosswalk is illegal (atleast when one is available). In some countries like India and the UK it is only illegal if one obstructs traffic. The Netherlands has no concept of jaywalking.
lVQr TIL of ‘rat park’, a psychology experiment in which rats were offered drugs, and that proved that the opposite of addiction isn’t sobriety, but connection.
KYLg9 TIL that Cecil H. Underwood, the 25th and 32nd Governor of West Virginia, was both the youngest and oldest Governor of West Virginia, having served his first term from 1957-1961, and the second from 1997-2001.
QJvEM TIL that as a young man, Abe Lincoln was an accomplished wrestler who lost only one match out of 300. He is even enshrined in the wrestling hall of fame.