From batteries to distant worlds

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Nobel prizes this week went to a range of discoveries that you might be familiar with, in fact you might be using one of them right now – the lithium ion battery. The scientists credited with its Invention got the chemistry prize. And the tantalising prospect of life on other planets plays into the physics prize win. And we also see what salamanders have to offer in the treatment of arthritis (Picture: Illustration of the Earth-like exoplanet Kepler-452b and its parent star Kepler-452. Credit: NASA/Ames/JPL-Caltech/Science Photo Library) Presenter: Roland Pease Producer: Julian Siddle