Rachel Feltman: For Scientific American’s Science Quickly, I’m Rachel Feltman. Humans have been trying to replace ailing parts of our bodies for thousands of years, turning to prosthetic limbs, ...

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Medical sculptor Damon Coyle walks around with a Mary Poppins bag of body parts. Fake ones, that is. At the University of Missouri, his lab creates hyperrealistic body parts designed to help medical ...

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The human body also regenerates, in short, dead cells are replaced by newly produced ones. In humans, for example, this is the case in the intestinal mucosa or the liver. However, other creatures have ...

Have you ever felt like there was a pit in your stomach? What about a flutter in your heart? It turns out that the anatomical connections we make with certain emotions and feelings — what researchers ...

Things in Dr. Anthony Atala’s lab at Wake Forest University are not always what they seem. On one lab bench, surrounded by gutted printer cartridges, lie the inner workings of an inkjet printer. But ...

Find out more about Body Fossils and Trace Fossils. Fossils can be categorized in two basic types: body fossils and trace fossils. Body fossils help scientists learn what plants and animals looked ...