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TIL that the planet Jupiter is more than three times heavier than the next most massive planet, Saturn.

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via reddit.com

9YjO6 TIL that an entomologist called Justin Schmidt allowed plenty of venomus insects to sting him in order to record the pain intensity in what's called "Schmidt pain Scale".
GYmyN TIL that descendants of the artist Diego Velazquez (1599-1660) include the current monarchs of Belgium, Sweden and the Netherlands.
QOWM TIL Sylvester Stallone spent nine days in hospital after Lundgren hit him for real while filming Rocky IV. Ouch.
6E1em TIL that while experimenting on a jet pump project for NASA in his bathroom in 1982, Lonnie Johnson shot a stream of water across the room and thought, "This would make a great gun." The Super Soaker went on to make him some $73 million in royalties.⁠ ⁠
0d1e1 TIL that it has been estimated that five of the ten highest prices ever paid for a book (adjusted for inflation) were for John James Audubon's The Birds of America.