Opinion: What science can tell us about the ‘world’s largest sapphire’
06 Jan 2016 Simon Redfern (Department of Earth Sciences) discusses how the "Star of Adam" sapphire was formed in the highlands of Sri Lanka.
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Six steps to a better material world
30 Nov 2011 Every year we make 10 times our own bodyweight of steel, aluminium, cement, plastics and paper, for every person alive, using a fifth of all the world...
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