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TIL, old books have a particular smell due to lignin being present in the paper. Lignin is related to vanillin, leading them to have a faint vanilla scent.

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rRypo TIL about how you may not actually own the digital content you purchase. Which is bringing to light the issue of digital content being willed to heirs of its deceased owners.
jNDLn TIL that comedian Phyllis Diller's first television appearance was on Groucho Marx's "You Bet Your Life". She said she was transitioning from housewife to nightclub performer. She was soon a nationally known star, and Groucho always took great pride in her success.
16peW TIL about Viganella, the Italian Village that Brought the Sun Down to the Valley
w601 TIL that the Boeing factory in Washington is so big that when it was first built clouds formed near the ceiling.
P1MlE TIL the Anga people of Papua New Guinea smoke their dead to preserve them