(CNN) — Archaeologists have uncovered a collection of bone tools in northern Tanzania that were shaped by ancient human ancestors 1.5 million years ago, making them the oldest known bone tools ...

You might have surgery to remove primary bone cancer that has spread to a different part of the body. When cancer spreads it is called secondary or metastatic bone cancer. Surgery to remove cancer ...

Compared with traditional bone surgery, robot-assisted surgery significantly ... innovate on surgical approaches, tools and materials, and better serve doctors and patients,” said Zhang.