News
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TechPores of glass skin shrink from light
Ultraviolet light can fine-tune the properties of intricately structured, porous films of glass that, among other uses, may make possible the long-sought direct extraction of oxygen and nitrogen gases from air.
By Peter Weiss -
ChemistryDetailed yellow-bud research blossoms
In identifying the chemical responsible for the color of many yellow flowers, scientists have moved one step closer to engineering sunny-colored designer buds.
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Health & MedicineVitamin E targets dangerous inflammation
Megadoses of vitamin E may reduce the risk of heart disease in people with diabetes and other conditions that produce chronic, low-grade inflammation.
By Janet Raloff -
Health & MedicineNew test may spot colon cancer early
An experimental test for colon cancer may detect the disease at a treatable stage more accurately than current, noninvasive screening techniques.