J. Liu and co-workers demonstrate on page 2648, a self-powered soft liquid metal robot that can “eat” aluminum food and then move spontaneously and swiftly in various solution environments and structured channels for more than one hour. Such a biomimetic mollusk is highly shape-adaptive by deforming itself to the geometrical space it voyages in. This unusual behavior closely resembles that of living organisms in nature. 

Adv. Mater. ,2015