Putting thousands of jellyfish in a blender to make a smoothie sounds like the start of bad joke. In fact, it's one way to source ingredients for a new generation of solar power solutions that could aid medical science and offer cheap energy.
Gray goo or the future of medicine? CNN spoke to Naomi Halas, a professor at Rice University in Texas, about nanotechnology and her work on nanoshells, tiny particles that may hold the key to curing cancer.
A new breed of nanobots is being designed to assist doctors by going where no surgeon or technology has gone before. Working at the scale of molecules, these micro-machines are taking their cues from bacteria and the way in which they find their way around the human body. If they are successful, they could bring about a new type of molecular surgery and a different perspective to our own inner space.
There's nothing tiny about the international controversy brewing over the safety of nanomaterials. In April, a German company recalled a tile sealant called Magic Nano after dozens of consumers suffered breathing problems while using it. Never mind that the product contained particles too large to actually count as nanomaterials (which must be smaller than a billionth of a meter) the scare was on, and European confidence in products labeled "nano" had already sunk.