By Leah Crane The neurons in a rat’s spine were able to control 3D-printed musclesAlexander W Helin/Getty Images Robots made with rat spines could be used to study diseases as they progress through tissues, and may eventually lead to biological prosthetics. Collin Kaufman at the University of Illinois at Urbana-Champaign and his colleagues built biological…
Eight-year-old Jonah woke up one May morning with a swollen face and a toothache. He refused the pain medication that his mom, Geneva Reynolds, tried to give him. He didn’t sleep or eat and cried constantly. Within a few days, Reynolds became so desperate that she and her husband had to physically restrain Jonah, dumping
7 min read Whether you’re on a cross-country flight or in bed fighting off a bad cold, a feeling of fullness in your ears can make an already uncomfortable situation worse. Here’s what’s happening and how to pop your ears the right way. When you have a viral infection or allergies or experience changes in
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