› added 5 years ago

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TIL The Ceratodontimorpha is a "living fossil" fish with a highly specialized respiratory system to switch from gills to real lung when it crawls on dry land. They are also capable of surviving seasonal drying by burrowing into mud, secrete a mucus which encloses them in a cocoon...for years.

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4kpVg TIL using ditto marks, or putting quotation marks under words to repeat what they say, goes back as far as the Neo-Assyrian period (934-608 B.C.)
YpmMW TIL Female kangaroos clean their pouches by licking them out. “She is able to push her long snout in to clean it effectively, removing the urine and feces of the young joey by using her tongue,”
mQQE TIL Afghanistan has been invaded by Greek, Arab, Mongol, Mughal, Persian, British, Sikh and USSR empires. They all failed to capture Afghanistan completely.
9Y8PG TIL of the Radium Girls, young women who worked by painting clock dials using glow in the dark radium paints. Because they sucked the brush to make them pointier, they were exposed to massive amounts of radiation, some suffering debilitating diseases that eventually killed them.
GAJBJ TIL that the C-Walk or the Crip Walk was actually some sort of a ritual after a gang member unalive someone. They actually spell the word C-R-I-P using their feet.