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Why do we add fluoride to drinking water, and is it safe?Fluoride is added to tap water in many countries around the world. But why?
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What's the best way to kill norovirus, the 'stomach bug'?Only certain cleaners kill norovirus, a leading cause of vomiting, diarrhea and foodborne illness. Why is that?
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Comets played a 'major' role in making life on Earth possible, new study hintsA reanalysis of the data from the "rubber-ducky" comet 67P, collected nearly a decade ago, suggests comets may have deposited a lot more water on Earth than scientists previously thought.
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'A harbinger of what's to come:' NASA satellites show massive drop in global freshwater levelsNASA satellites discovered that Earth's surface has lost enough water to empty Lake Erie two and a half times since 2015. And the problem could be here to stay.
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Watch atoms fuse into world's 'smallest bubble' of water in 1st-of-its-kind 'nanoscale' videoA new study captured never-before-seen footage of hydrogen and oxygen atoms combining to form a miniature water droplet out of "thin air." The newly improved reaction could one day help astronauts make water in space.
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Why does drinking water feel so good when you're thirsty?Drinking water triggers a variety of complex biochemical reactions that reward rehydration and help satiate our thirst.
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'Brain-eating' infections could become more common, scientists warnResearchers think climate change will soon cause an increase in the incidence of Naegleria fowleri infections, a "brain-eating" disease.
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Shapeshifting rusty river winds through Madagascar's 'red lands'Earth from space This 2018 astronaut photo shows the rust-colored waters of Madagascar's Betsiboka River winding through a complex series of mangrove islands. Both the river and islands have been altered in recent years by destructive human practices.
Earth from space -
Molecule responsible for robbing Venus of its water may finally have been identifiedA new water loss mechanism on Venus explains how the planet lost all its water, turning the planet from a potentially habitable world into the parched hellscape we know today.
