In the world of microorganisms, microbes compete for turf, spew chemicals at foes, and sometimes exploit the microscopic ...

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 ...

Many microorganisms are capable of purposeful movement through liquids. But how do they achieve this without a complex ...

Nearly four dozen people in 18 states have been sickened in an expanding outbreak of salmonella food poisoning tied to ...

The World War II bomber Heaven Can Wait was shot down off the Pacific island of New Guinea on March 11, 1944. All 11 men ...

Sea of Grass,” written by Dave Hage and former Star Tribune environmental reporter Josephine Marcotty, is due in bookstores ...

Editorial provides breath of fresh air Kudos to Jim Ludlow for his comments about earning versus demanding respect in a ...

The most common way people swimming inland get sick is by swallowing the water. How much you consume matters: “If you swallow ...

Screens and filters separate solids from liquid. One device sounded like a dishwasher as it raked out inorganic material for ...

Over the weekend, America's top health official, Robert F. Kennedy Jr., shared pictures on social media of himself fully submerged in the sewage-tinged waters of Rock Creek in Washington, DC. His ...

A large swath of southern San Luis Obispo County was ordered to boil its drinking water last week after bacteria was discovered in Lopez Lake’s water distribution pipeline. Residents of Arroyo ...