News
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Materials ScienceDNA coordinates assembly of glassy nanoscale structures
Chemists use DNA as a scaffold to construct miniature rings and rods out of silica.
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Health & MedicineCaloric threats from sugarfree drinks?
Regularly downing sweet drinks or sugar substitutes may foster overeating by reprogramming an individual's ability to judge a snack's caloric impact.
By Janet Raloff -
AstronomyControlling the speed of solar eruptions
The billion-ton blobs of magnetized gas that the sun sporadically hurls into space can't reach Earth in less than half a day.
By Ron Cowen -
PaleontologyNeck Bones on the Menu: Fossil vertebrae show species interaction
Three fossil neck bones from an ancient flying reptile—one of them with the broken tip of a tooth embedded in it—indicate that the winged creatures occasionally fell victim to meat eaters.