The result is time that's just a little bit off ... rebuilt Cardinal Blase Cupich's grandfather clock in his residence downtown. Tick Tock Clock Repairs may very well be the quintessential ...

The clock is actually a clump of cells called the suprachiasmatic nucleus (SOO-pra-kie-uhs-ma-tick NEW-klee-uhs), or the SCN. Scientists figured out the role of the SCN in the 1970s. They removed ...

Establishing a regular sleeping and eating schedule can improve health in as little as one week. Two experts in sleep and metabolism explain why. The answer has to do with the circadian clock: an ...

A US student who made a homemade clock and took it to school has been arrested after his teacher and police thought it was a bomb. Ahmed Mohamed, 14, is a teenage inventor who makes his own radios ...