A recently found jawbone, arm bone fragment and teeth collected from an archaeological site in Indonesia revealed a diminutive ancestor of humans dubbed a “hobbit” who lived around 700,000 years ago.

A recently found jawbone, arm bone fragment and teeth collected from an archaeological site in Indonesia revealed a diminutive ancestor of humans dubbed a "hobbit" who lived around 700,000 years ago.

The arm uses origami for its construction. Lightweight plastic is folded in construction. The arm is designed to assist people with disabilities. WORCESTER — When someone envisions a robotic arm, they ...