A pacemaker is a small device that can send electrical signals to your heart. Here's who needs a pacemaker and how it works.

Follow ZDNET: Add us as a preferred source on Google. I've spent large portions of my life looking for ways to extend the battery life on my Android phones. Admittedly, that sounds rather dramatic, ...

A neck implant designed to treat rheumatoid arthritis provides automatic therapy that lasts one minute per day.