Repairing Nerves and Roaring Lions - Naked Scientists NewsFLASH - 07.11.11 - a podcast by Dr Chris Smith

In this NewsFlash, we get the latest from the National Cancer Research Institute's conference in Liverpool, find out why removing genes can help repair neurons, and why clearing out old cells can help reduce diseases of old age. Plus, how nicotine primes the brain for cocaine addiction, and how the lion got it's roar.

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