This temporary tattoo can listen to your heart

A new stick-on wearable sensor uses the symphony of internal rumblings, whooshing, gurglings, and cracklings to help doctors diagnose different conditions. And this souped-up, miniaturized stethoscope could one day be a way for clinicians to continuously monitor patients outside of the clinic. So far it’s been tested on chicken breasts and a very small group of people. This wearable, smaller than a penny, can hear the beat of your heart, the sound of your voice, and even the whirr of an implantable heart pump, according to a paper published today in the journal Science Advances.

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