Chemistry
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ChemistryScientists Say: Cyanide
Cyanides are poisonous. But they are more than that. This group of compounds is used in everything from mining to capturing fish.
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ChemistryConcrete science
Teen researchers are exploring ways to strengthen this building material, use it for safety purposes and use its discarded rubble.
By Sid Perkins -
ChemistryThe newest elements finally have names
Nihonium? Tennessine? These aren’t body parts or medicines. They’re among the names just given to the four newest superheavy elements.
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ChemistryScientists Say: Acidification
When a solution becomes more acidic, it’s acidifying. And that’s not always a good thing.
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ChemistryIdentifying ancient trees from their amber
A Swedish teen’s analyses of a sample of amber may have uncovered a previously unknown type of ancient tree.
By Sid Perkins -
ChemistryNanowires could lead to super-long-lived battery
Scientists have long been looking for ways to make rechargeable batteries that last forever. They now may be close. Their solution: gel-dipped nanowires.
By Lela Nargi -
ChemistryKeeping samples cool without electricity
When vaccines and blood get too warm or cold, they can become useless. Two teens invented ways to keep their temperatures just right, no matter where they are.
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ChemistryKey sugar for life on Earth could have formed in space
Ribose, a sugar in RNA, may have formed in space and then rained down on a young Earth, a new study suggests.
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ChemistryDwarf galaxy spawned heavy elements
A study of nine stars in the dwarf galaxy Reticulum II found heavy elements. They had been produced after a violent stellar event sparked a chemical chain reaction.
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ChemistryParticles in air help fatten clouds’ water droplets
Making their own clouds has shown scientists how the fattest water droplets form. Understanding this could lead to better forecasts of climate change.
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ChemistryGotcha! New test stalks diseases early
Chemists screen blood for disease markers by adapting a common DNA test. The test can find disease earlier, when it also may be easier to treat.
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ChemistrySmash hit: Making ‘diamond’ that’s harder than diamonds
Scientists had suspected extreme meteorite impacts might turn graphite into an unusual type of diamond. Now they’ve seen it happen — in under a nanosecond.
By Beth Geiger