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Can Dogs Smell Cancer?
A new study says a dog did better than conventional tests in identifying patients with cancer.
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Illuminating Luminescence
Compare and contrast different forms of luminescence by observing how chemiluminescence, phosphorescence, and fluorescence produce or emit light.
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Happy Birthday, Buckyballs!
Twenty-five years ago this month, researchers first identified buckminsterfullerenes — chemical structures shaped like tiny carbon soccer balls.
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The Cheese Chronicles
Author and cheese expert Liz Thorpe explains the science of cheesemaking.
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What Put the Heat in Chili Peppers?
New research indicates that chili pepper plants may have developed their signature heat as a way to fight off fungal infections caused by insects.