And here's the paper describing their findings: http://www.sciencemag.org/content/341/6151/1254 http://www.sciencemag.org/content/341/6151/1254 Of course as s

And here's the paper describing their findings: http://www.sciencemag.org/content/341/6151/1254 http://www.sciencemag.org/content/341/6151/1254 Of course as soon as I submit I think of a better title, mechanical-style gear is probably more appropriate.