Tiny probes built from DNA can seek and destroy cancer cells, leaving healthy cells untouched. (newscientist.com)
Ever since Antonie van Leeuwenhoek peered through his crude microscope and confirmed that life is indeed packaged in very small containers, biologists have recruited physicists to focus stronger lenses, train more powerful rays and run ever tinier probes on cells and the molecules that make them live — and die. (scientificamerican.com)
Breakthrough Starshot is an ambitious existing proposal to use giant lasers and light sails to send tiny probes to Alpha Centauri. (newscientist.com)