In just a few months, researchers have constructed low-cost ventilators that can keep sedated pigs alive. Getting them to work safely and reliably in people is the next challenge.
Researchers and clinicians make small muscle grafts into the arms of amputees to amplify the signals from their peripheral nerves, which then direct the movement of a robotic hand.
Two new commentaries on a contested 2018 study about gender disparities in STEM fields clash over whether sex differences or social inequalities are to blame for the lack of women scientists and engineers.