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TIL A silent version of velcro exists, but it is a guarded military secret.

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7BYZ TIL that the “60 Minutes” whitewash of Audi wasn’t the first time a major news network was caught rigging an automotive test. NBC did it to Chevrolet in 1992, but a firefighter at the test blew the whistle, forcing NBC to cough up an on-air apology.
ZpgQ4 TIL the longest straight border in Australia, the WA/SA-NT border, isn’t straight at all. It moves 127 metres from the 129° E parallel halfway. 40yrs after two marked obelisks were placed on other sides of the continent, it was realised one was entirely in the wrong place—but kept the border anyway.
rN1kw TIL A 2017 study found that the introduction of iodized salt in 1924 raised the IQ for the one-quarter of the population most deficient in iodine.
XE8ZE TIL that he production of Nutella uses one-quarter of the world's annual hazelnut supply.
W7GRB TIL that the Franchi SPAS 12, one of the most iconic movie guns and a staple in countless video games, has not been in production for 24 years and due to this and a temporary import ban to the US (1989 -2004), is actually highly sought after and quite expensive.