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TIL We already have the world`s first Bionic Pop Star - Viktoria Modesta

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p8AY8 TIL about the largest known structure in the observable universe - Hercules–Corona Borealis Great Wall. It's approximately 10 billion light years in length, more than double the previous record holder, or 9.3% of the observable universe's diameter.
E1Vyx TIL: During the earliest period of Earth's existence, the Hadean Period, 4.6-4.0 billion years ago, the surface temperature was over 200°C but there were still liquid-water oceans because the atmospheric pressure was 27 times as strong as it is now, significantly raising the boiling point of water.
NXpQM TIL Derinkuyu, Turkey's Byzantine era underground city of 20,000 people
m1X7y TIL in 2013, Jeff Bush was asleep in his bedroom when a huge sinkhole opened up and swallowed him and his entire bedroom. Even though his brother heard his screams, he couldn't see or rescue him in time. They never found Bush's body...
GY4l7 TIL of Turritopsis Nutricula, a jellyfish that returns to its polyp stage after becoming old, effectively becoming immortal.