Within five years we may be able to reactivate our embryonic ability to regrow limbs and organs.
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Neuroscientist Vilayanur Ramachandran outlines the fascinating functions of mirror neurons. Only recently discovered, these neurons allow us to learn complex social behaviors, some of which formed the foundations of human civilization as we know it.
As relief workers struggle to help the Haitian earthquake victims, they face enormous challenges. Dr. Howard McCollister, who’s taught in a hospital on the island for nearly 20 years, talks about what the impoverished nation needs from the world …