Add Yahoo as a preferred source to see more of our stories on Google. Everyone's well aware of how important smoke detectors are, but there's another early-warning system every home should have.

Carbon monoxide has been called "the silent killer" — and for good reason. The colorless, odorless gas is lethal to humans — and even small leaks in your stove or fireplace can have deadly ...

Gas detection techniques have a fascinating history, dating back to the 19th century when canaries served as early warning systems for toxic gases in coal mines. When coal emerged as the Industrial ...