From lightweight armbands to elite chest straps, these are the best heart rate monitors for tracking your pulse during workouts.

As people strive ever harder to minutely quantify every action they do, the sensors that monitor those actions are growing lighter and less invasive. Two prototype sensors from crosstown rivals ...

Optical Pulse Sensor Market: Rising adoption of wearable devices to drive growth Rising disposable income and rapid internet penetration have increased the adoption of smartphones worldwide.

Stanford University researchers have developed an arterial-pulse sensor to wirelessly monitor blood flow, an advance that could allow doctors to remotely monitor the success of blood vessel surgery.

And it looks like Nintendo's answer to Microsoft's Project Natal is... a pulse detector. Yep, Ninty's just announced the Wii Vitality Sensor, a finger sensor which attaches to the Wiimote to read ...