If you force a grasshopper into a jar and fasten the lid, the grasshopper eventually shortens its jump after hitting the lid enough times.  After a while, even if you take the lid off the jar, the grasshopper will stay put—it’s forgotten how high it can jump. We’re a lot like grasshoppers in this way. […]

A joint team of scientists from Ewha Womans University and the University of Pennsylvania have developed technology using artificial DNA that could operate shape-changing micro-robots, announced the National Research Foundation of Korea Monday. Shape-changing micro-robots are made from flexible materials, including high molecule polymers or nanoparticles, ...