The sinoatrial node is home to multiple pacemakers that keep the heart beating if the main one falters.

Scientists draw from wristwatches, wireless transmission technology, and patients’ own heartbeats to design new power sources. 

Circadian neurons in fruit flies form synapses with different, noncircadian brain regions depending on the time of day.

Converting heart muscle to pacemaker cells in pigs; alternative splicing and the human proteome; questioning a reported yogurt mold-illness link; H. pylori swiftly find mouse stomach injuries

Flying dinos, genetic pacemakers, and dangerous microbes on the loose