News
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HumansRunning past Neandertals
Stone Age humans’ heel bones, more so than those of Neandertals, aided long-distance running.
By Bruce Bower -
PhysicsX-raying life’s microscopic machinery
A powerful new laser technique promises to reveal the cell’s molecular components in detailed, 3-D images.
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Health & MedicineNo flu vaccine link to Guillain-Barré syndrome found
A massive study of millions of people in China finds no association between receiving the 2009 H1N1 immunization and developing the rare nervous system disorder.
By Nathan Seppa -
Health & MedicineBioengineering better blood vessels
Durable conduits made with a tough protein produced by living cells might improve options for some patients who need heart bypass surgery or kidney dialysis, a new study finds.