Chemistry Nobel Honors Microscopes Made to See the Nanoworld

Three scientists shared the Nobel Prize in Chemistry for inventing optical microscopes that can see processes inside living cells

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Chemistry Nobel Honors Microscopes Made to See the Nanoworld
German scientist Stefan Hell, who shared this year's Nobel Prize in Chemistry, poses next to a STED (Stimulated Emission Depletion) microscope.
Photo: Nigel Treblin/AFP/Getty Images