Behold, the human brain: Often compared to a computer, the body's most complex organ operates using a code of electrical and chemical signals. These signals transmit through wires, nodes and ...

Around 3 millimetres in height, it is one of the tiniest and most complex bones in the human body. The spatial resolution of standard general-purpose CT (computed tomography) scans is limited to a ...

The newly discovered bone ... T69 Complex site that dates to about a million years later than the first tools and are thought to have also been manufactured by H. habilis, although no human ...