Making machines from genes

It’s been a while since DNA just encoded genes. During the past decade, scientists have found ways to use this celebrity of molecular biology as an electrical wire (SN: 7/13/96, p. 26), a girder for making elaborate structures, and a computing device. (SN: 8/14/99, p. 104) (SN: 9/18/99, p. 181).

Fuel DNA (white) holds shut the tweezers (section with dark coil).