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Jang Woo-Seok designed a toilet that uses excess water from the sink to flush out water, which saves considerable water.
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Why do images of black holes appear to be burning from the outside?
Researchers discover first 'conjoined' twin planets in the universe
Satellite launch to help... take selfies in space
Why do most people with ALS not live more than 5 years, but Hawking lived to be 55?
Chilling revelations from 1,800-year-old glass 'treasure' in Antarctica
The sofa problem that has puzzled science for 6 decades has been solved
Sad Eyes of the Ocean: The Story Behind the Stunning Beauty!
What happens if a star explodes near Earth?
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