Scientists developing COVID-19 test that knows you’re sick before you do

Imagine a test that could tell you if you were infected with COVID-19 before you had a single symptom, came at an affordable price without the need to go to a doctor, and returned results in minutes. Those who tested positive could swiftly quarantine themselves, while those who tested negative could head to work or spend time with family without […]

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The prostheses that could alleviate amputees’ phantom limb pain

New prosthetic technologies that stimulate the nerves could pave the way for prostheses that feel like a natural part of the body and reduce the phantom limb pain commonly endured by amputees. Silvestro Micera, a professor of translational neuroengineering at Ecole polytechnique fédérale de Lausanne in Switzerland, has spent the past 20 years figuring out how to make better prostheses […]

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