We have a huge plastic waste problem at the moment, but there are efforts to make use of this throw-away resource – including using trash collected from canals to make office furniture, creating ...

Many people in developing countries who have lost a limb live with a common problem: They have no prosthesis. Josh Tacca, a doctoral student in mechanical engineering, traveled to Quito, Ecuador, last ...

Thanks to microprocessors and robotics, artificial limbs have hit new heights of innovation. But the socket— the molded plastic piece that attaches prosthesis to person—hasn’t made such major strides.