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Two bio-tech companies, in the US and India, have been given permission by their governments to look into how to regenerate the brains of people who have been declared clinically dead. So how can this be done and will this redefine what death means? Newsday's Julian Keane spoke to Anders Sandberg, a neuroethicist at the University of Oxford. (Photo: An X-ray of a man's brain. Credit: Somkiat Fakmee/Thinkstock by Getty Images)