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- Teens take home science gold: A low-cost, self-driving vehicle; battery alternatives and analyses of galaxy clusters claim top prizes at a global high school science competition
- Flagging loose bolts: “Smart alert washer” automatically flags when a nut is coming loose, warning of potential danger
- Pee is for power: The water in urine can be a source of hydrogen for electrical generators
Some like it hot
The heat-tolerant alga Symbiodinium trenchi, a rare species in coral reefs in the Caribbean Sea, had a population boom when the water temperature rose in 2005. The alga inhabited both bleached (shown center) and unbleached (far right) corals.
Credit: LaJeunesse et al./Proceedings of the Royal Society B 2009.
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