› added 12 years ago

117

TIL Sahara is only in a dry period and is expected to be green again in 15,000 years.

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nMgP TIL that George Washington Carver did not actually invent peanut butter. Peanut butter has been around since as early as the Aztecs.
MeDoB TIL a genetic mutation can cause some people to have 4 cones that perceive color as opposed to the standard 3, which means they would be able to see 100 million colors while a normal person sees just 1 million.
9JxG TIL the earliest known recipe for macaroni & cheese dates back to 14th century England
jN0dM TIL Dave Grohl only knew Kurt Cobain for about three years and they weren’t very close.
b9lVp TIL Boston Corbett, the man who killed John Wilkes Boothe, years earlier had castrated himself with scissors after reading a bible passage. He was thought to have gone insane from inhaling fumes while making hats, with symptoms that persisted his whole life