The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – have been assembled in fits and starts over the four billion years of our ...
PHOENIX (Reuters) - Sam Kazemi stood over the old man’s corpse. Nearby lay pliers, a scalpel and a motorized saw designed to cut drywall and pipe. On a busy day, Kazemi might harvest body parts from ...