Pendulum clocks swinging in exactly the opposite direction from each other. The 350-year-old mystery of why pendulum clocks hanging from the same wall synchronize over time may finally be solved, ...

Discovered in the 1970s, circadian clocks are essential for the regulation of biological time in most cells in the human body. These internal mechanisms adjust biological processes to a 24-hour cycle, ...

Circadian clocks, which regulate the metabolic functions of all living beings over a period of about 24 hours, are one of the most fundamental biological mechanisms. In humans, their disruption is the ...

We MAY believe that the secret to retaining youthful healthiness lies in turning back time with 'magical' potions and regimens. But scientists now say that we can do something much more practical (and ...

Here on Earth, it might not matter if your wristwatch runs a few seconds slow. But crucial spacecraft functions need accuracy down to one billionth of a second or less. Navigating with GPS, for ...