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TIL there are now MLA guidelines for citing a tweet

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nWxvY TIL That pounds are officially weighed in kilograms
wLKo6 TIL the so-called ‘Pillars of Creation’, which are to be found within the Eagle Nebula. The nebula lies 6,500 light years away. The ‘pillar’ on the left is 4 light-years high, which is around 24,000,000,000,000 miles, (24 trillion).
Z90B TIL that a lost wallet is more likely to be returned if you have a photo of a baby in it. In a 2009 study, 88% of wallets with a baby photo were returned, followed by wallets with a photo of a puppy (53%), family (48%) and an old couple (28%). Only 15% of control wallets were returned.
MRM7 TIL Atlanta police fired 39 shots at a 92-year-old woman during a raid of her home. She was killed by 5 or 6 of the shots. It was later discovered that they planted drugs in her home, and the evidence that led to the raid was falsified.
N79eE TIL that the ancient Incas performed skillful brain surgery with a roughly 80% success rate. In comparison, 500+ years later, Civil War doctors only had a success rate of 50%