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The Chemistry Behind the Different Colors of Autumn Leaves

At some point when you were a wee child, your parents or teachers probably gave you a simple—but incomplete—explanation of why leaves change color in the fall: green chlorophyll fades to reveal the yellows and oranges that have been there all along. That’s true, but that’s not the whole chemical story. Read more… Continue Reading [...]

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All Science Should Be Taught With Gigantic Ball Machines

When drug manufacturer Seattle Genetics needed an effective way to promote its cancer-fighting antibody-drug conjugate medicines at a trade show, it enlisted a company called Creative Machines to design and build this amazing ball contraption that actually illustrates how the drug enters a cell and attacks cancer inside a patient’s body. Read more… Continue Reading [...]

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Plankton Makes This Dinosaur Toy Glow, Batteries Not Required

As the story goes, the folks at BioPop were trying to make a sustainable light that relied on something other than man-made batteries. They tried using a bioluminescent plankton called dinoflagellates, but the tiny creatures required too much intervention to be a practical light source. They would, however, make for a really neat desk toy, [...]

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Bloodletting and Bone Brushes: The White-Knuckle Days of Early Dentistry

With all those gleaming, stainless-steel tools readied for painful prodding, few people look forward to visiting the dentist. But modern dentistry is a walk in the park compared with archaic methods of treating oral maladies: Be glad you’re not seeking treatment for mysterious "tooth worms" or using dentures filled with the syphilitic teeth of dead [...]

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