Human evolution is often told as a tidy story of adaptation, yet some of our most familiar body parts still defy straightforward explanation. From the jut of the human chin to the curve of the outer ...

The human body is a marvel of engineering, but it’s a machine that requires maintenance and repair. At times, that means trying to replace parts lost to injury or illness. The oldest known prosthesis ...

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 ...

University of Missouri-Columbia professor Gabor Forgacs stands in his laboratory on the campus in Columbia. He is using a three-dimensional bioprinter in his research to construct living tissues. MCT ...