Chemistry
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ChemistryBlue light flexes its chem-building muscle
Scientists found a new way to build a strong but bendable blend of polymers. The trick? Expose the ingredients to a beam of blue light.
By Sid Perkins -
ChemistryExplainer: What are polymers?
Polymers, whether natural or artificial, are big molecules made by linking up smaller repeating chemical units. The most common “backbones” for polymers are chains of carbon or silicon, each of which can bond to four other atoms.
By Sid Perkins -
ChemistrySpecially coated fabric could turn a shirt into a shield
Specially treated fabrics offer a new kind of defense against chemical attacks. It could protect troops — and people living in war-torn nations where chemical weapons may be used.
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ChemistrySuper-chilled imaging technique brings its developers the Nobel Prize in chemistry
Three men who helped develop a super-high-resolution imaging technique for proteins, viruses and more received the 2017 Nobel Prize in chemistry.
By Carolyn Gramling and Laurel Hamers -
ChemistryWhy onions make us cry
Researchers add another piece to the molecular puzzle biochemists have tried to solve for decades — why onions can make our eyes tear up.
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ChemistryScientists Say: Capsaicin
This chemical is produced by pepper plants and gives them their hot flavor.
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ChemistryRecycling urine may be a way to boost plant growth
A new chemical method makes nutrient-rich fertilizers from human urine.
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ChemistryMeet the world’s smallest monster trucks
These DNA-scale nano-vehicles surprised chemists. The bonds that hold their atomic building blocks in place grip the wheels more strongly than anyone had expected.
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ChemistryScientists Say: Graphene
This is a single layer of carbon atoms, linked to each other in a flat sheet. It’s super strong, super flexible and conducts current, too.
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ChemistryCan concrete conquer air pollution?
Powdered concrete could remove the sulfur dioxide and other pollutants that are spewed into the air when electric-power plants burn fossil fuels, a lab study suggests.
By Sid Perkins -
TechCool Jobs: Bringing you summer thrills
Fireworks and ride designers combine math and science to engineer some frightfully good summer fun.
By Gerri Miller -
ChemistryNew ‘magnet’ pulls pesky nonstick pollutants from drinking water
Chemicals that help make pans nonstick can themselves stick around forever in the environment. But a new material can remove them from drinking water.