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Neurons (in blue to yellow) growing on top of astrocytes (in red, helper cells within the nervous system) in a human stem cell embryoid body (a cluster of differentiating human embryonic stem cells).

This image of neurons growing over astrocytes in a human stem cell embryo body – taken by Dr Juan Carlos Izpisúa of the Centre of Regenerative Medicine in Barcelona – was one of the Images of Distinction in the Nikon Small World 2011 competition

Princess, Nature, Scenery

Pathway in Wiltshire England

The perfect path for one in Milton Wood, Somerset, England