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TIL after the Bulldozer Revolution in Serbia, the resistance set up a course in non-violent protest

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XEZQr TIL that several states have ruled Breathalyzer machines inadmissible as evidence in prosecution due to them being unreliable, improperly calibrated, etc. This has been a multi year/decade problem and people knew. The manufacturers also are shady.
Wk8d9 TIL that the oldest animal (at least, the oldest whose age has been identified) was a 507 year-old clam that washed up on the beach in Iceland. Researchers, not realizing how old the clam was, killed it while they were examining it.
RWWa TIL that Romania shipped 93.4 TONES of gold to Rusia in 1916 so that Russia would safe keep the Romanian Treasure in the Kremlin until the end of the war. And, as of 2014, they gave back only 33 kg of it.
e07Nn TIL Before clocks, there were candle clocks, that when burned, indicated the passage of periods of time. To set an alarm, you pushed a nail into the desired point and the nail would ld fall and clank on the metal holder.
LknYr TIL Naked Mole Rats speak in dialects unique to their colonies and will kill intruders with the wrong dialect