Add Yahoo as a preferred source to see more of our stories on Google. A pacemaker next to a single grain of rice on a fingertip. Northwestern University researchers have engineered a temporary ...

Researchers at Northwestern University just found a way to make a temporary pacemaker that’s controlled by light—and it’s smaller than a grain of rice. A study on the new device, published last week ...

The heart may be small, but its rhythm powers life. When something throws that rhythm off—especially after surgery—it can become a race against time to restore balance. For decades, doctors have ...

Credit: John A. Rogers/Northwestern University/Cover Images Engineers at Northwestern University in Illinois have developed an ultra-small pacemaker that can be non-invasively injected into the body ...

The tiny pacemaker sits next to a single grain of rice on a fingertip. The device is so small that it can be non-invasively injected into the body via a syringe. Northwestern University engineers have ...

Tiny device can be inserted with a syringe, then dissolves after it's no longer needed. (Nanowerk News) Northwestern University engineers have developed a pacemaker so tiny that it can fit inside the ...