Building a real-life version of the Star Trek tricorder has been the goal of engineers and hackers alike since the first time Dr McCoy complained about being asked to work outside of his job ...

How fast does your heart beat? It’s a tough question to answer, because our heart rate changes all the time depending on what we’re doing and how our body is behaving. However, [Ludwin] noted that ...

When representatives from the fitness tracking company Moov first told me they had made a heart rate sensor that you wear on your head, I thought the idea was ridiculous. But after I saw the Moov HR ...