New UC Davis research shows how an internal circadian clock controls the opening of individual florets in concentric rings in the sunflower head. This helps attract pollinating insects. (Jason Spyres) ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." It's pretty widely accepted that the iPhone alarm clock is bad. You hate the sound. It's a harsh wake up.

All animals including humans are subject to daily rhythms in their activity and sleep, hunger, metabolism, and reproduction. The system that regulates these biological rhythms is known as the ...

We love our clocks around here and we love nixie tubes as well. The combination of the two almost seems to be a no-brainer. With the modern twist of an ESP8266, Reddit user [vladco] built a minimalist ...

Physicists have demonstrated a novel atomic clock design that combines near-continuous operation with strong signals and high stability, features not previously found together in a single type of next ...

If you start your day before the sun rises, or if you’re looking for a gentle alternative to a blaring alarm clock, a sunrise alarm clock may be your new favorite tool. These clocks mimic the natural ...

The circadian clock system allows the organisms to adjust to periodical changes of geophysical time. Today, increasing evidence show that disturbances in our internal clocks stemming from frequent ...

Ketone bodies are energy-rich metabolites and signaling molecules whose production is mainly regulated by diet. Caloric restriction (CR) is a dietary intervention that improves metabolism and extends ...