› added 3 years ago

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TIL in 2007 a 4.5 foot fossilized walrus penis bone, the largest fossilized mammal penis bone known, was bought by Ripley's Believe It or Not for $8,000. Bidding only lasted a few minutes and it sold for well under the expected price

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l5VK TIL From 1978 to 2013, CEO compensation in the US, inflation-adjusted, increased 937 percent, and the typical worker’s wages rose 10 percent.
A76a TIL Obsidian blades are so sharp (3 nm thickness) that, on a cellular level, obsidian knives will cut between cells rather than tear the cells as steel knives would do
p8ra8 TIL of the Fresnel lens, a specially crafted type of lens commonly used in lighthouses. Its design allows for a large aperture and short focal length without requiring the lens to be massive and heavy like a traditional convex lens. It also looks like a work of art.
9YJkX TIL Metal music is called metal because it’s harder than rock
4Wk5 TIL: That “33 percent of men in Britain aged between 35 and 60 years are unable to see their penis.”