› added 4 years ago

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TIL the length of a day on Mars has been known (within 3 minutes accuracy) since 1666 but the length of a day on Saturn was a mystery until 2019.

Read more solarsystem.nasa.gov

via reddit.com

ZaKY TIL that Matthew Inman, the creator of The Oatmeal, makes about $500,000 a year. 75% is from merchandise, the rest from advertising.
p85vZ TIL a group of vultures is referred to differently depending on what they're observed doing: "kettle", "committee" or "wake." The term kettle refers to vultures in flight, while committee refers to vultures resting on the ground or in trees. Wake is reserved for a group of vultures that are feeding.
6E0eW TIL that to reduce infanticide, Sweden passed a law in 1778 allowing unwed pregnant women to go to a different area where she is unknown to give birth. The midwife was forbidden to ask her identity or to ask who the father was. The baby was then put in an orphanage.
5YYaD TIL that despite being surprised by a 30,000 man army during the Mongols third invasion of Poland, the Polish were able to repel the Mongols and inflict heavy casualties
oVXL TIL: Shin Dong-hyuk is the only man in recorded history to escape a North Korean concentration camp in the “total control zone” and live to tell of it. He works tirelessly to alert the world to the vicious human rights abuses in North Korea’s brewing holocaust.