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This is because the layers of helices stuck together are too big to be the building blocks of nanofibers.

Inspired by nature, nanotechnology researchers have identified 'spontaneous curvature' as the key factor determining how ultra-thin, artificial materials can transform into useful tubes, twists and helices.

His lab manipulated DNA molecules to make the tiny motor's turbine, which consisted of 30 double-stranded DNA helices engineered into an axle and three blades of about 72 base pair length.

At first, Watson tried to jam the two helices together, with the A on one strand matched with an A on the other—like bases paired with like.

Collins: You’re talking about genetic determinism, which implies that we are helpless marionettes being controlled by strings made of double helices.