An actual "world's smallest violin" has been built by scientists but it is not for playing. Rather the science could reshape hard disks and more computing technologies forever.
Nanoparticles RSS
Researchers have discovered that a particular form of gold can actually help people see way better by improving the eye's vision.
Google wants to create "nanoparticles" that will attack and destroy cancer cells, but many biologists are skeptical, saying it can't be done and is nothing more than science fiction.