Neil Armstrong, the first human to walk on the moon, died from complications following heart surgery. His doctors had ...

Smaller than a rice grain, the dissolvable soft device is meant to help newborn babies with congenital heart defects.

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.

See that teeny tiny rectangle next to that pencil tip up there? That’s a pacemaker – the world’s smallest in fact, which has ...