In the 1960s, most computers took up an entire room. Faster computers now find themselves on the wrists of people all over the world. As devices get smaller, humanity seems to be on track to create ...

Our robots manage some pretty impressive feats—including back flips—through the whirring of motors and hydraulic pumps. But all of life manages to perform far more impressive feats using muscles.

Molecular architects have developed a quartet of methods that could propel DNA nanotechnology into wider use. Together, the techniques offer a tool kit to mass-produce larger and more complex DNA ...