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TIL The US Department of Agricultural uses M-44 "Cyanide Bombs" to control wildlife population

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vZ5r TIL A Dutch crime writer wrote a pretty suspicious book about seven ways to kill your spouse a year after his wife disappeared. He became a celebrity and spent the next decade hinting - in print and on TV - that he had murdered her. Finally, it turned out that he really had.
5ZJr TIL of the Scoville scale for measuring the heat of peppers. The capsaicinoids are extracted and diluted until 3/5ths of expert tasters cannot taste the heat. The units refer to the number of drops of water used for dilution: 1 million means 1 drop of extract requires 1 million drops of water.
Meknm TIL There are 150 million mammoths buried in frozen Siberian tundra. Trading in mammoth ivory is legal but elephant ivory is not, leading to poaching of mammoth tusk ivory. Hence, laws are being planned to include mammoth under protected species despite being extinct for 4000 years.
ANY7a TIL That Jeffrey Dahmer's father held a theory that a double hernia surgery in his youth may have at least been partially responsible for his behavior.
VMd6k TIL It's believed that Japan's first nine emperors may not have existed. Despite the slim evidence available to historians the 10th Emperor, Sujin, is the first of the 'heavenly sovereigns' whose reign can be partially documented. The true date of his rule is unclear and sources are part mythology.