The heart’s “mini-brain” is independent and highly localized, according to researchers at the Karolinska Institutet in Stockholm, Sweden. The findings could lead to new research into arrhythmia, ...

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 ...

Almost all living creatures have an endogenous clock that enables them to adapt their behavior and body functions to the natural rhythm of day and night. This so-called circadian rhythm is controlled ...