Like a human knee, it could "lock," allowing ... This basin helped support her internal organs and entire upper body as she moved. Lucy: arm bones With dangling, powerful arms, Lucy was likely ...

The human body comes in lots of different shapes and sizes but most are made up of the same parts which do the same job. We all have a skeleton. The bones in ... You have arms, elbows, hands ...

Scientists have discovered what they believe to be the smallest adult arm bone in human fossil record ... and underwent a dramatic body size reduction over time.” Remains of H.

Our ancestors were making tools out of bones 1.5 million years ago, winding back the clock for this important moment in human evolution ... made out of the leg and arm bones of big mammals ...

Trunks, tongues, and even octopus arms are unique organs called ... compared to around 650 muscles in the entire human body. Normally, muscles depend on bones and joints to move and exert force.

An assemblage of tools found in Tanzania that was fashioned about 1.5 million years ago from the limb bones of elephants and hippos reveals what scientists are calling a technological breakthrough for ...

Our ancestors were making tools out of bones 1.5 million years ago, winding back the clock for this important moment in human evolution ... made out of the leg and arm bones of big mammals ...