How much does life weigh? It sounds like a strange question, but to biologists it makes all the sense in the world. Yeast ...

Bacteria come in all shapes and sizes -- some are straight as a rod, others twist like a corkscrew. Shape plays an important role in how bacteria infiltrate and attack cells in the body. The helical ...

Pathogens can create sticky situations. When microbes invade the body to cause an infection, often one of their first lines ...

An E. coli outbreak linked to McDonald's Quarter Pounder burgers has caused illnesses in at least 49 people across 10 states, leaving 10 people hospitalized and one dead, the Centers for Disease ...

A food poisoning outbreak tied to McDonald’s Quarter Pounders was caused by a common type of E. coli bacteria that can cause serious illness and death. Particularly vulnerable are young children, ...