› added 7 years ago

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TIL Arnold Schwarzenegger made his first million dollars in real estate during the 70s, years before starring in his first movie.

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W7a94 TIL ~7000 years ago, the human Y-chromosome experienced a restriction in diversity. During this time, there would have been effectively one man for every seventeen women contributing to the gene pool. Research suggests that neolithic society was selecting which men could have reproductive success.
Ypnlv TIL The bottlenose dolphin sleeps by shutting down half its brain along with the opposite eye. The other half remains awake at a low level of alertness to watch for predators and to surface to breath. After about two hours it reverses the process so the other half can rest.
Bg6KD TIL photographer Carol Highsmith donated thousands of her photos to the Library of Congress for public use. Surprisingly, Getty Images claimed copyright on these photos and even accused her of infringement for using one of her own photos on her site.
NXel1 TIL about Juan José Cabezudo, a queer Afro-Peruvian chef and street-food vendor who lived in 19th century Lima. Known for his tamales, he was one of the most famous and well-documented cooks of post-independence Peru, being responsible for Bolivar's farewell dinner before he left the country.
XEej8 TIL although iodine was added to table salt in the U.S. beginning in 1924 as an antidote to goiters caused by iodine deficiency, it had the unanticipated side effect of raising the national IQ by an average of 3.5 points.