"One of our most versatile and gripping science writers." John Carey

An exploration of what historians and archaeologists say about the hypothesis that Vikings used "sunstones" with special optical properties to navigate.
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News from Philip


"All set for chemistry", Chemistry World June 2015, p46-49.
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P. Ball & J. E. Hallsworth, "Water structure and chaotropicity: their uses and abuses", Phys. Chem. Chem. Phys. 17, 8297-8305 (2015).
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