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 ...

Five fun facts about the bugs in your bowels. May 2, 2013— -- intro: Deep in the bowels of our, well, bowels, lurk trillions of microscopic bacteria. But don't be fooled by the big bad "B" word, ...

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 ...

That is one big bacterium! Researchers have discovered a bacterium visible to the naked eye, challenging prevailing notions about the size of bacteria, most of which only can be seen when using a ...

Imagine visiting a mangrove in the Caribbean and discovering a human as tall as Mt. Everest. Something like that happened to marine biologist Jean-Marie Volland — except instead of a human, he ...

New research suggests a closed toilet seat may not be as helpful to block the spread of germs as we once thought.

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 ...