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TIL Pink has no corresponding wavelength, it’s our brains filling in the gap between ultra violet and infra red light in the color spectrum. Put simply, pink is what you get when you remove the color green from white light.

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p8ye TIL Astronauts experience a euphoric ‘cognitive shift’ akin to Buddhist Monks after seeing Earth from space.
P17EO TIL that a women's suffrage activist named Virginia Minor sued in court in the 1870s to secure women the right to vote, based on the 14th Amendment's Privileges or Immunities Clause. In 1875, the US Supreme Court unanimously ruled against her in the Minor v. Happersett case.
V74k TIL that Rupert Grint’s first ambition was to be an “Ice Cream Man” and bought an ice cream truck with his Harry Potter money
9YLQ6 TIL that serial killer Paul Knowles was shot dead, while trying to escape from a police car. Apparently, he reached across the back seat, and tried to steal one of the officers' gun.
gdD9 TIL; During the entire Irish Potato Famine (1845-1852), rich landowners exported 30-50 shiploads of food per day, while more than 1 million people starved to death.