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ComputingVirtual stampede sees faces in crowd
A new computer model based on particle interactions suggests ways to prevent a panicked crowd from stampeding.
By Laura Sivitz -
PhysicsOne-molecule chemistry gets big reaction
Carrying out a widely used chemical reaction on one molecule at a time, researchers demonstrate unprecedented control of molecular behavior and, possibly, the ability to make novel nanotechnology devices and compounds that can't be created with ordinary chemistry.
By Peter Weiss -
PlantsGlitch splits hermaphrodite flowers
In a newly proposed scenario, polyploidy may trigger perfectly good hermaphrodite plants to evolve gender forms.
By Susan Milius -
AstronomyCraft finds where sun’s corona gets its hots
New findings may help explain an enduring solar riddle: Although the sun's outer atmosphere lies thousands of kilometers above the visible surface of the sun, it's about 1,000 times hotter.