A secure chamber in the catacombs of the Sydney rail hub holds a decade-old collection of timepieces. It’s worth thousands – ...

Circadian rhythms are governed by a master clock, a group of neurons called the suprachiasmatic nucleus, located in a region of the brain called the hypothalamus. This master clock translates cues ...

Imperial researchers have uncovered a "chemical metronome" in the brain, which helps to synchronize the master clock that ... in the brain's internal clock system. "These cells produce a daily ...