In a bid to better understand how cancer cells power their explosive growth and spread, scientists at Johns Hopkins Medicine say they have shed new light on the location and function of ...

Electrocardiogram (ECG) is an electric device of measuring the electrical activity of heart. Removal of noise artifacts, baseline wandering and power interference plays a major role in diagnosing most ...

Hearing aids work by amplifying sound through a three-part system: The microphone receives sound and converts it into a digital signal. The amplifier increases the strength of the digital signal. The ...