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Is the US still ‘the global centre of science’ ?

Nima Arkani-Hamed zigzagged the globe in pursuit, and defence, of science. Now, he's worried about the future of science in the US. Carolyn Beeler reports.

(Image: Nima Arkani-Hamed is a physicist at the Institute for Advanced Study, in Princeton New Jersey. Credit: Carolyn Beeler)

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3 minutes