Search results for author:(John Hewitt)

Nanomaterials Apr 4, 2013

Graphene foams: Cozy and conductive scaffolds for neural stem cells

(Phys.org) —Graphene foams have been around now for a couple years. Their widespread application in everything from electronics and energy storage to substitutes for helium in balloons is still greatly anticipated. Researchers ...

Evolution Mar 28, 2013

Which came first the head or the brain?

(Phys.org) —A fundamental question in the evolution of animal body plans, is where did the head come from? In animals with a clear axis of right-left symmetry, the bilaterians, the head is where the brain is, at the anterior ...

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