Surgeons have used metal screws to reassemble broken bones for years, but there are drawbacks: if the metal corrodes, they’ve gotta come out. Biodegradable screws aren’t as strong, and can cause inflammation. So a team of Harvard and Tufts scientists came up with screws and plates that are as tough as metal, but biodegradable. The trick? They’re made out of silk.
via Gizmodo
