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TIL male mole crickets amplify their song with a burrow shaped as a double exponential horn; the song can be heard up to 600 metres away

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1aBbW TIL that "arrack" is a type of alcoholic spirit from South Asia/Indonesia fermented from the sap of coconut flowers or sugarcane. Arrack predates all "New World" spirits and is the parent of rum.
gx4W TIL in 2007, a US Marine in Iraq befriended a stray desert dog called Nubs. After someone stabbed the dog with a screwdriver, the marine nursed him back to health, developing such a bond that when the unit left, Nubs picked up the scent and walked 70 miles through Iraqi desert warzone to be with him
v1PnB TIL that 70% of suicides in the U.S. are committed by white men
4XJQX TIL Mark Hoppus came up with the distinctive riff for the song 'Dammit' by playing around with an acoustic guitar that was missing two strings.
pjjO TIL There is a $1000 Canadian Bill (discontinued after 2000) and in 2012 there was still 946,043 unaccounted for.