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DrChris: Cataracts, wheels spinning backwards and how many colds can you have at
Dr Chris from the Naked Scientists is in the chair this week answering our caller's science questions.
Chief amoung the queries; how do you treat cataracts, why do wheels seem to spin backward and how many colds can you have at once?
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5 Live Science Podcast
The hottest science news, stories and analysis from Dr Chris and the Naked Scientists.
