DNA buckyballs: "ITHACA, N.Y. -- DNA isn't just for storing genetic codes any more. Since DNA can polymerize -- linking many molecules together into larger structures -- scientists have been using it as a nanoscale building material, constructing geometric shapes and even working mechanical devices.

Provided
A scanning electron microscope photo of a self-assembled DNA buckyball. Click on the image for a slightly higher-resolution version (585 x 543 pixels, 139K)
Now Cornell University researchers have made DNA buckyballs -- tiny geodesic spheres that could be used for drug delivery and as containers for chemical reactions. "

Commentary: Now this is an exciting development - DNA buckyballs.