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TIL the first generation of stars in the Universe were all several thousand times more massive than the Sun and were made of hydrogen, helium, and trace amounts of lithium. All the heavier chemical elements were formed within their cores. One of these stars was observed for the first time in 2015.

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VyG TIL Dan Aykroyd witnessed MIBs in an SUV while shooting a UFO special WHILE talking to Britney Spears on the phone. UFO special was then cancelled 2 hours later. (at 3:00)
d8gpE TIL about Osteo-Odonto-Keratoprothesis where you implant part of your tooth in your blind eye to restore sight
Yd17 TIL dogs percieve humans differently from themselves, but cats do not. Cats treat humans like they would treat another cat.
R7Mp1 TIL adult cat meowing was developed only to communicate with humans, not other cats
1WMO TIL The atomic bomb dropped on Nagasaki, Japan was intended for Kokura, but the pilot’s view of the target in Kokura was obscured by a cloud.