› added 10 years ago

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TIL milk has peptides that mimic the effect of opiates in the brain causing very real cravings and opiate withdrawals for milk lovers.

Read more corepsych.com

via reddit.com

6E5dX TIL while humans produce vitamin D by exposing their skin to sunlight, cats and dogs must ingest their own fur as a source of their vitamin D. This is the reason why they love to lay in the sun and groom themselves (probably because it feels good too)
MrkA TIL reddit upvotes were called ‘boosts’
9Yng6 TIL: George Boldt, a millionaire hotel manager, began building a castle on an island in 1900 for his wife. She died in 1904 and he left the castle there never to return as a monument to their love.
mGpy TIL the average price of a NES game in 1990 was $50. Equivalent to about $90 in 2015.
b9dk7 TIL The first Soviet dog to return from space alive "Strelka" later had puppies. Soviet leader Nikita Kruschev gifted one of the puppies to JFK's daughter Caroline.