Daily Mail: A free iPhone app has been replacing an essential piece of equipment for hundreds of doctors: the stethoscope. To use the app, which is called iStethoscope, one presses the iPhone’s built-in microphone against the bare chest for a few seconds, then gives the device a shake. Its motion sensors and camera capture the heart’s waveform, which is then displayed on the iPhone’s screen. Developed by Peter Bentley at University College London, the iStethoscope can capture a more accurate reading than a simple acoustic stethoscope.
The finding that the Saturnian moon may host layers of icy slush instead of a global ocean could change how planetary scientists think about other icy moons as well.
Modeling the shapes of tree branches, neurons, and blood vessels is a thorny problem, but researchers have just discovered that much of the math has already been done.
January 29, 2026 12:52 PM
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