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TIL about the Manchineel, or 'Death Apple,' Is the World's Most Dangerous Tree

Read more science.howstuffworks.com

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VMQbD TIL the original "laugh track" used in sitcoms was a physical instrument like an organ, was held under lock and key, and was owned and operated by only one man who knew how it worked. Charley Douglass used his "laff box" to create the laugh track for almost every sitcom in the 50s, 60s, and 70s.
6PjW TIL there is a species of bird which guides humans to beehives, so they can feast on the bee larvae after the human takes the honey.
Lo9V TIL when the head of The Piratebay, Peter Sunde, was arrested he asked to phone his girlfriend so she could lock the doors of his house before going with the policeman. The policeman said yes. Instead, he pushed a button on an app that immediately encrypted all servers of The Piratebay.
p8eyb TIL The longest recorded time without sleep is 264 hours (11+ days). It is not clear how long humans can survive without sleep. After 3-4 nights you can start to hallucinate.
8e0b4 TIL That Anne Spielberg, sister of Steven, co-wrote the movie Big.