As the dance style named after them would imply, most robots—even those designed to mimic humans—tend to be pretty stiff. Hoping to build something more versatile, the authors of a new study decided to ditch the fixed rods used in many robot frames and instead drew inspiration from developing bone. Their design incorporates linked inflatable structures that expand to up to four times their original size. Learn more: https://scim.ag/468YROt | Science