That's what the bacterium Pseudomonas aeruginosa faces when it infects the lungs, and it can't both spread and protect itself from antibiotics at the same time. Nonetheless, it's one of the top ...

Researchers describe the full molecular structure of the phage DEV. DEV infects and lyses Pseudomonas aeruginosa bacteria, an opportunistic pathogen in cystic fibrosis and other diseases.

Nematodes can sniff out trouble, kicking off a mitochondrial defense in the gut to fend off bacterial invaders.