In addition to sheer grossness, norovirus is notable for its resistance to many cleaning agents, including alcohol-based hand sanitizers. “It belongs to a group of small, non-enveloped viruses that ...

Radon is colorless, odorless and the U.S.'s second-most common cause of lung cancer. Here's where you can get a free radon ...

Blue states are bracing for a battle with the Trump administration over their authority to limit tailpipe emissions, a ...