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TIL in 2007, a Bowhead whale was discovered with the end of a harpoon left embedded in its neck from a previous hunt. It was found that the harpoon tip was originally manufactured in 1890, indicating the whale had survived a human attack more than a century ago.

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b6kV9 TIL about 21% of beef in the US comes from culled dairy cows, sold for slaughter at around age 5 when their milk production drops off. This culling increases profitability and so subsidizes the cost of the milk production.
P1JBL TIL Pumpkin Spice contains no pumpkin, but is generally a blend of ground cinnamon, nutmeg, ginger, cloves, and sometimes allspice.
KOv5G TIL different masks have different filtration abilities. Surgical and N95 are great, here is a look at other options being promoted now
emr4 TIL Tobacco is fertilized with radioactive apatite, the radiation received from smoking a pack a day per year compares to receiving 2,000 modern chest x-rays a year.
Ayln TIL King Mithradates of Pontus had a flock of ducks who consumed poisonous plants and didn’t die (thus making them useful for creating antidotes); however their blood, meat, and eggs could kill you if you ingested them