When a bone break is too severe to heal on its own, surgeons often rely on grafts or rigid metal implants — but both come with serious drawbacks. Now, researchers at ETH Zurich have created a ...

As the Arctic region becomes increasingly contested, the U.S. military faces a new era of challenges in one of the world's ...

Bones broken in a skiing accident usually heal on their own. But if the break is too severe or a bone tumor needs to be removed, surgeons insert an implant that enables the bone to grow back together.

Inspired by a pond microorganism that retracts its spiral stalk using geometry alone, soft gel helices now wind and unwind on their own to amplify motion.