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)