Watch a white blood cell actively searching for bacteria or viruses under the microscope. Gingrich suggests Trump’s Greenland ...

A bacterial cell settles onto a nondescript surface. It is plump, healthy and functioning as it should. Nothing appears amiss ...

Pseudomonas aeruginosa (small rod-shaped bacteria) swarms toward and around a neighboring Cryptococcus neoformans (round yeast) colony. The thin fluid halo surrounding the yeast enables the bacteria ...

In what they labeled a "surprising" finding, Johns Hopkins Medicine researchers studying bacteria from freshwater lakes and soil say they have determined a protein's essential role in maintaining the ...