Smartwatches that can monitor a wearer's heart rate use light pulses to detect changes in blood volume. But research from Google proposes using ultrasound from an earphone's speaker driver to look for ...

A handheld, portable ultrasound probe that's the size of a fat window squeegee can peer inside your heart - but this amazing piece of technology still requires highly trained medical personnel to ...

Ultrasound therapy could treat a rare lung condition that raises blood pressure in the arteries of the lungs and heart and can lead to heart failure. Receive a weekly dose of discovery in your inbox.

Alternatively, data from all transducers can be used while limiting the focal depth, allowing more transmit-receive pulses to ...