Are electric cars primed to take off? Is sun tanning addictive? And 3D-printing a King - what new technology is revealing about Richard III.
Also, as David Cameron announces a big push on Alzheimer's, this week also marks 150 years since the birth of the disease's discoverer, Alois Alzheimer. What have we discovered about Alzheimer's since its discovery? Plus, how fruit flies, arm hair and video games could untangle the most significant threat to our generation.
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