New perovskite solar cells retain 95% performance after 1,100 hours
Newly designed perovskite solar cells are both powerful and rugged enough to survive the sun’s relentless heat. Researchers at the...
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Using cellphones for 6+ hours may raise risk by 21%
Share on PinterestScientists have found a link between cellphone use and heart disease risk. FG Trade/Getty ImagesA new study finds...
