It's counterintuitive but true: Some microorganisms that use flagella for locomotion are able to swim faster in gel-like fluids such as mucus. Research engineers have now figured out why. It's the angle of the coil that matters.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/c...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/c...