Look in the mirror and the feature that quietly sets you apart from every other species is not your eyes or your opposable thumbs, it is the small wedge of bone that juts forward beneath your lower ...

We know that some animals are bilaterian—meaning they display bilateral symmetry—while others are not, but nature is rarely ...

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 ...