bits: Making pictures with DNA for fun and... well, fun (for now)
Driving across campus this evening I heard a story on NPR, Fun with DNA...
Imagine a yellow smiley face. Now imagine 50 billion smiley faces floating in a single drop of water. That's what scientists have made using a new technique for building super-tiny shapes using the familiar double helix of DNA.
(from NPR's All Things Considered)