One of Mother Nature's most promising weapons to break down persistent, toxic polychlorinated biphenyls (PCBs) is bacteria. Now, a study by Carnegie Mellon University scientists provides convincing ...

There’s something lurking in Baltimore Harbor mud that seems to be chewing up the toxic PCBs left there by decades of industrial activity. If scientists can figure out what’s going on, they might find ...

PHILADELPHIA–The distribution and movement of PCBs (polychlorinated biphenyls) in the environment has threatened scarce water supplies, ecosystems, tourism and the world's fragile fishing industry. In ...