Of all the electrical signals generated by the human body, those coming from the heart are probably the most ... ECG system the size of a credit card, cleverly dubbed Card/IO, that clearly ...

Heart rate monitor straps are pretty much what they sound like. It's an elastic strap that you wear around your chest that's equipped with electrodes, which then transmit your heart rate data ...

They outfitted six baby seals on Sable Island with specially engineered heart rate monitors to track the health and survival prospects of the animals in real time as they embark on their first few ...