Swimming bacteria remove resistance to flow
E. coli synchronization produces superfluid solution
![E. coli illustrated](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/07/ag_superfluid_free.jpg?fit=860%2C460&ssl=1)
GOING WITH THE FLOW E. coli, illustrated here, use their flagella to swim. A new study reveals that bacteria’s synchronized swimming can eliminate a liquid’s resistance to flow.
Nathan Devery/SCIENCE PHOTO LIBRARY