Now, engineers at Northwestern University have developed what could have saved Armstrong’s life: the world’s smallest pacemaker, smaller than a single grain of rice. Unlike traditional pacemakers, ...

Developed by engineers from Northwestern University, the pacemaker is the size of a grain of rice and could help save babies born with heart defects.

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.

“We have developed what is, to our knowledge, the world’s smallest pacemaker,” said Rogers in a statement. “There’s a crucial need for temporary pacemakers in the context of pediatric heart surgeries, ...

Reducing the maternal mortality rate due to postpartum haemorrhage depends on the ability of health-care teams to identify pregnant women at higher risk of bleeding, to timely and accurately detect ...