Swirling swarms of bacteria offer insights on turbulence

In the bacterial world, as in the larger one, beauty can be fleeting. When swimming together with just the right amount of vigor, masses of bacterial cells produce whirling, hypnotic patterns. Too much vigor, however, and ...

Scientists discover how crucial DNA sequences endure

As cells divide, some of their DNA is rearranged, spurring the emergence of new traits that can dictate whether a species survives or flounders. But some stretches of DNA appear to be so crucial to the basic functioning of ...

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