› added 6 years ago

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in terms of their brain chemistry, introverts have a lower threshold of dopamine sensitivity than extroverts (dopamine is a chemical associated with reward because it makes us feel good). Essentially, the lower your dopamine threshold, the more easily stimulated you are.

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nePL7 TIL that the confederate president tried to escape capture dressed as an old women at the end of the civil war
nW8bd TIL that the first successful blood transfusion was done in 1628 by Richard Lower between dogs. Then in 1818, James Blundell performed the first successful transfusion of human blood to a patient.
E1vJW TIL: Einstein reportedly didn't want his brain studied post-mortem; nonetheless, the autopsy doctor took the brain without family permission. It took around 20 years for the public to learn just how much of the "specimen" remained with that doctor.
JEEV TIL that actress Joan Chen was discovered at the age of 14 when the wife of Mao Zedong noticed her excellent rifle marksmanship.
D1oWp TIL Pluto was named by 11-year-old Venetia Burney. After her grandfather read about the discovery, Venetia, who enjoyed mythology, said the planet was in a region similar to the dark, remote underworld ruled by the Roman god Pluto. Her grandfather then contacted astronomers suggesting the name.