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TIL: In 1886 workers in Chicago went on general strike to rally for an 8-hour day. Later, it became International Workers’ Day celebrated worldwide - except in the US

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rAeW TIL A man in TX was still executed after someone else confessed for committing the murder and the only eyewitness admitted he didn’t actually see it.
yQVve Take a look out your window and you're bound to see a dinosaur or two—or at least the descendant of one. That little blue jay? Dinosaur. The obnoxious early rising crow? Dinosaur. The squirrel running up the tree? Well, that’s still a squirrel. But those feathered friends make your yard a real-life Jurassic Park. Most researchers believe birds are descendants of a group of dinosaurs that included the Tyrannosaurus rex. Fossil research has shown that birds and dinosaurs shared behaviors such as brooding and nest building. According to paleontologist and National Geographic grantee Jack Horner, it also stands to reason that dinosaurs had similar courting behaviors as today’s birds. Because various bird species tap-dance, moonwalk, and boogie to impress potential mates, it makes sense that dinosaurs did the same. Just imagine a giant T. rex with its tiny T. rex arms "twerking" its way into the heart of its intended. In this week’s Today I Learned, Horner explains how dinosaurs might have been the original smooth criminals.Read more about one species of Triceratops, Triceratops horridusAdditional footage provided by Cornell Lab of Ornithology
WQnL TIL to treat bladder cancer, doctors inject cow tuberculosis bacteria up your urethra. The subsequent immune reaction destroys cancer cells, and the treatment has been shown to be more effective than chemotherapy.
5YZp8 TIL the quote "The further a society drifts from the truth, the more they will hate those that speak it" was not written by George Orwell. It is misattributed as quoted by Orwell. It was quoted by Selwyn Duke.
1aYwX TIL about the Faint young Sun paradox that in Earths early history the energy output of the Sun was only 70% of what it is today, yet earth had liquid water and a climate hospitable to the formation of life, rather than the frozen environment that it should be with the Sun's reduced energy.