Broad, fan-shaped bones on either side, called the iliac blades, curve to form a pelvic basin. This basin helped support her internal organs and entire upper body as she moved. Lucy: arm bones ...

These are the biceps on the front of the upper arm and the triceps on the back of the upper arm: to raise the forearm, the biceps contracts and the triceps relaxes to lower the forearm again ...

Among the most intriguing discoveries was the musical rasp made from a human upper arm bone, with 29 carefully carved notches and decorative geometric patterns. The instrument appeared to have ...

But bones are unable to move on their own ... These are the biceps on the front of the upper arm and the triceps on the back of the upper arm. To raise the forearm, the biceps contract and ...

A small bone found 30 years ago at Dinosaur Cove could revolutionize our understanding of echidnas and platypuses' evolution.