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TIL that daylight savings time has its own timezones and DST observing places must make a conversion for schedules notated in standard time in spring/summer of the same “zone”.

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gGkb TIL the cause of blurry vision in the first hour after waking in the morning is small pieces of rheum (eye sleep) unsticking from your eyeball and floating down to be washed away by your tear duct.
R59Q8 TIL that when mating, the female Serromyia biting midge (no-see-um) drives her tongue like a drill into the male's head, pumping him full of acid. His insides melt, and she sucks him dry. The male's genitals break off, blocking the female from future mating.
xV5Ao TIL that the Austrian Embassy in London has been at 18 Belgrave Square since 1866. It is the only Austrian embassy still in place since the Austro-Hungarian Empire.
KOkVE TIL in the song "9 to 5," Dolly Parton created the typewriter sound effect by tapping her acrylic fingernails against one another.
woO06 TIL that people with hypermobility carry a gene that makes them much more likely to have children with autism.