ixteen strands of DNA, stacked four-by-four, form the beam-shaped chassis of the DNA motor (in gray). Bits of DNA (in green) protrude from the chassis like little feet. The motor is fueled by RNA ...
Police hunting the killer of Milly Dowler said today that testing of 46 men associated with a church in the North East had not found a match for mystery DNA found on the schoolgirl's clothing.