Nano-trains in New Scientist

The Evil Dwarf from Hell writes "New Scientist has a very interesting article on Nano-trains. The researcher built the tracks out of microtubles in cow neurons with the motors of kinesin running on fuel of ATP. " OK, next I need a nano-train that speeds up the flow of my neuropeptides across the synaptic cleft. Then I'm set-or starting on a whole new set of things.