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TIL in 2016 pop band OK Go recorded a video for their song "Upside Down & Inside Out" in zero gravity aboard a 'reduced gravity aircraft' (AKA vomit comet). The 3-minute video required over 45 minutes of footage shot over 21 different flights.

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via reddit.com

7r88M TIL scientists caught a skink evolving. Researchers found that skinks living below a mountain in warmer climates would lay eggs. At higher climates, the cold caused the skinks to hold their eggs inside for longer until they would hatch internally for live births.
K9ra TIL the girl from the famous 1981 Lego ad is now a 37 yo physician who owns 2 medical centers in Seattle, inspired by Lego (the gender-free Lego, not the ‘Friends’ line)
NM8Q TIL Indian citizens fought against corruption by paying bribes with 0 rupee notes designed to look like 50 rupee notes.
R7R9w Let’s say you’re doing 100 mph in a car and suddenly a downed tree, stopped the car, or person appears in the road up ahead and you need to slam on the brakes. How much more dangerous is that situation than when you’re doing 70 mph? Your intuition might tell you that 100 mph is only 30% more than 70 mph. But as this video shows, the important factor in stopping a car (or what happens to the car when it collides with something else) does not speed but energy, which increases at the square of speed. In other words, going from 70 mph to 100 mph more than doubles your energy…and going from 55 to 100 more than triples it.
R7vB6 TIL of Fred the labrador, resident dog at Mountfitchet Castle in England, who adopted 9 orphaned ducklings who were wandering the castle grounds after the mother duck disappeared. When Fred goes swimming the the castle moat, the ducks follow him in.