Chemistry
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Health & MedicineWhy trans fats became a food villain
Trans fats are now known as a dietary villain. But in the beginning, scientists thought they were better than butter.
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EnvironmentLaundering clothes may send indoor pollutants outdoors
Clothing absorbs pollutants from indoor air. During washing and drying, the fabric releases those chemicals into the outdoor environment, a new study finds.
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ChemistryChanging the world with chemistry
What does a scientist look like? Meet these amazing women in chemistry.
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ChemistryLab creates new, unexpected type of ‘firenadoes’
A newly discovered type of fiery vortex burns hot and generates little soot. Scientists suspect it could be a solution to cleaning up oil spills at sea.
By Sid Perkins -
EarthOxygen-rich air emerged super early, new data show
Scientists had thought animals were slow to emerge because they would have needed oxygen-rich air to breathe. A new study finds that plentiful oxygen may have developed early. So animals may have been late on the scene for another reason.
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ChemistryGot milk? Roach milk could be a new superfood
Scientists have just figured out the recipe for cockroach milk. And that could be a first step toward making it part of the human diet. Yum!
By Dinsa Sachan -
ChemistryE-cigs create toxic vapors from harmless e-liquids
New study finds a primary source of toxic vaping compounds. It’s the heat-driven breakdown of the liquids that hold nicotine and flavorings. And older, dirtier e-cigs make higher amounts of the toxic chemicals.
By Janet Raloff -
ChemistryGasp! At the movies, your breaths reveal your emotions
Researchers took air samples as they screened movies. What people exhaled were linked to film scenes’ emotional tone, they found.
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ChemistryScientists Say: Toxin
It is safe to refer to any poison as toxic. But while all toxins are poisonous, most poisons are not toxins.
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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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TechConcrete 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.