The familiar tick-tock of wall clocks originates from the escapement mechanism, which controls gear movement in precise steps ...

The daily rhythm of genetic activity varies between individual cell types in ways that depend on their states of health, a ...

Today the clocks rolled back, signalling the end of daylight saving time and the start of long, dark winters. Of course, there is the short-term perk: the fact it allowed us an extra hour in bed — but ...

There are some economic reasons for permanent daylight saving time, but the health and safety reasons for permanent standard ...

The tick-tick sound comes from the movement of gears and parts inside the clock. In mechanical clocks, a part called the ...

The earliest known account of a circadian cycle dates back to the fourth century B.C. when a Greek scholar, Theophrastus, wrote about a tree whose leaves closed at night and opened in the morning.

People who live in the tropical areas where Aedes aegypti mosquitoes reside have probably known for centuries, or even ...

The American Heart Association just released a statement on the role of circadian rhythm health — and it has significant ...

Joseph notes that symptoms of seasonal depression can be amplified by vitamin D deficiency. Vitamin D, also known as the ...

There are some economic reasons for permanent Daylight Saving Time, but the health and safety reasons for permanent standard ...

Follow a trail of small towns where calm skies kind people and easy moments turn simple wanderings into warm lasting memories ...