Scientists just invented microscopic knives capable of stabbing and killing bacteria on contact. The germ theory of disease emerged over the last several centuries to explain the way microscopic ...

The bacteria, shown here next to a dime, are close to the size of human eyelashes. (Tomas Tyml | The Regents of the University of California, LBNL) Bacteria typically live out their teeny-tiny lives ...

Bacteria typically live out their teeny-tiny lives in the microscopic realm, but now scientists have found a gargantuan one the size and shape of a human eyelash. The new find is "by far the largest ...

(Nanowerk Spotlight) Bacterial eye infections blind millions globally each year, and current antibiotics increasingly fail to stop them. When bacteria develop resistance to drugs, they can withstand ...

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In 19th-century France, the young chemist challenged the theory of spontaneous generation and discovered an invisible world of airborne microbes. Credit...Antoine Maillard Supported by By Carl Zimmer ...