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 ...

Giles E. Duffield receives funding from the National Institutes of Health and has received funding from the American Heart Association. Have you ever wondered why you don’t feel tired until late at ...

Studies of the simplest possible clocks have revealed their fundamental limitations — as well as insights into the nature of time itself. In 2013, a masters student in physics named Paul Erker went ...