The multicolored phenomenon known as the northern lights are an easily explained scientific reaction that typically takes ...

Kristen Fischer has written for numerous health publications, hospitals, and medical companies, and is a member of the Association of Health Care Journalists. Nick Blackmer is a librarian, ...

I'm a Fitness & Nutrition writer for CNET who enjoys reviewing the latest fitness gadgets, testing out activewear and sneakers, as well as debunking wellness myths. On my spare time I enjoy cooking ...