The tiny device developed by Professors John Rogers, Igor Efimov, and Yonggang Huang can be inserted with a syringe, and then dissolve after it’s no longer needed.

The device is smaller than a grain of rice — and is suited particularly to help newborn babies with congenital heart defects.

The mini pacemaker device does not have a separate battery. Instead its body functions as a simple type of battery called a ...

Smaller than a grain of rice, this pacemaker runs on a galvanic cell that uses body fluids to generate electricity. It can ...