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TIL Scientists are digging up Adélie penguin guano(poop) to study millennia of Antarctica’s history.

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via reddit.com

b9QMZ TIL Moths don't like light at all! They use moonlight to navigate by night. By keeping the moon at a constant angle, they could ensure they traveled in a straight line. Unfortunately, they now confuse electric lights with the moon and try to navigate by them so they keep going around it, confused.
e0P0b TIL Amtrak trains that are running on time stop in their tracks during fall daylight savings time and wait an hour before resuming. For spring forward, the trains automatically fall behind schedule at 2 a.m. and just have to do their best to make up the time
wLyGM TIL about Second Lieutenant Vladimir Kotlinsky of the Russian Imperial Army, who led a charge against the Germans after an attack with chlorine gas on WWI, while his and his men bodies were dissolving because of the chemicals action on their flesh
v1QE7 TIL that anteaters, armadillos and extinct animals such as glyptodonts, giant ground sloths, are pampatheres are all related. They share similar teeth that have no enamel and grow throughout the entire life of both animals and never completely wear down.
XX7r TIL that the NYC Subway uses left-hand threaded light bulbs to discourage theft.