Tech
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TechA squishy speaker
Researchers have unveiled a see-through speaker that conducts electricity, is elastic like skin and vibrates like Jell-O.
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ChemistryCool Jobs: Repellent chemistry
Chemistry is just one way to repel water in nature. Structure, or the shape of things, is another. To excel at water repellency, the lotus leaf relies on both.
By Sid Perkins -
TechExplainer: What is fracking?
Energy companies have found new use for hydraulic fracturing to extract natural gas from shale rock.
By Erica Gies -
TechSniffing for cancer
New surgical tool offers surgeons speedier diagnosis of tissues that are cancerous.
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Health & MedicineCool Jobs: Sports science
From soccer teams to the balance beam, scientists help athletes perform their best.
By Helen Fields -
TechPerfect reflections
Physicists have built a mirror that Snow White’s wicked stepmother would certainly not appreciate. It offers a perfect reflection.
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Health & MedicineWanted: ‘Smart’ cleaners
Active surfaces will — on their own — help remove everything from insects and germs to poisons.
By Roberta Kwok -
ChemistryNew bag keeps food fresh longer
Invention harnesses oxygen-trapping power of iron.
By Sid Perkins -
PhysicsSmile! Dimples boost your mileage
Trucks covered with tiny indentations, like those on golf balls, experience less friction.
By Sid Perkins