A cache of 1.5 million-year-old bone tools uncovered in Tanzania suggest ancient human ancestors were capable of critical thinking and advanced craftsmanship.

Tendons are very strong, inelastic connective tissues that allow a muscle to pull on a bone to move it. Four of the synovial joint types are responsible for a range of sporting techniques.

In vertebrates, the skeleton of different regions of the body arises from different precursor cells. Researchers at the ...

Tendons are very strong, inelastic connective tissues that allow a muscle to pull on a bone to move it. Different types of synovial joints allow varying degrees of movement. These include: ...