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TIL that a Man in Florida shot neighbour's cat because it "looked at him like he owned the place".

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GYAGE TIL that the DNA in ancient dental calculus is a fantastic reservoir for the oral microbiome, which tells us a lot about the behavior, health, and diet of ancient human beings.
9MrD TIL that the distorted words in CAPTCHAs (the anti-spam feature) are all taken from old books and newspapers. By identifying the words, users are actually helping to transcribe these printed sources to the internet. As a result, the entire New York Times archive is now searchable back to 1850.
p8Zo8 TIL of Soda locomotive, a fireless locomotive that ran on sodium hydroxide. When steam came in contact with the sodium hydroxide, it would generate enough heat to actually run the boiler and generate more steam and propel the locomotive forward.
nxkB TIL that in July 2011, Apple Inc. had more cash in the bank than the US government.
mQQE TIL Afghanistan has been invaded by Greek, Arab, Mongol, Mughal, Persian, British, Sikh and USSR empires. They all failed to capture Afghanistan completely.