Never mind 3D-printing organs-- the real dream is to make the tissue itself bend to your will, and UCSF scientists have managed just that. They've discovered that they can 'hack' special cells that ...

The net of a 3D shape is what it looks like if it is opened out flat. There are many types of nets for the different 3D shapes. A net is made from polygons that can be folded and joined to make a ...