Epigenetic clocks can also help researchers compare populations over time, track users in specific contexts, or stratify clinical trial participants into high-risk or low-risk groups, Shokhirev said.

The best alarm clocks for heavy sleepers aren’t the most conventional gadgets around. And yeah, they’re a bit gimmicky with their blaring sounds—this Sharp alarm clock has a “nagging mom ...

A clock network would allow geodesists to compare the ticking of clocks all over the world. They could then use the variations in time to map Earth’s gravitational field much more precisely, and ...

Muscle peripheral circadian clock drives nocturnal protein degradation via raised Ror/Rev-erb balance and prevents premature sarcopenia. Proceedings of the National Academy of Sciences, 2025; 122 ...

A wall clock typically falls into one of two categories. There are the practical and easy-to-read ones, the most quintessential example being the kind you’d find in a high-school classroom. Then ...

The UK followed suit a few weeks later. The clocks going forward means lighter evenings in the UK. Pic: iStock How does daylight savings affect your health?

Google’s Gemini-2.0 scored highest on the team’s clock task, while GPT-o1 was accurate on the calendar task 80% of the time—a far better result than its competitors. But even then, the most ...

Gerginov, dressed casually in a short-sleeve plaid shirt and sneakers, spoke of the instrument with an air of pride. He had recently replaced the clock’s microwave cavity, a copper passageway in ...

Hatch makes it possible to break up with your smartphone every night. This screen-free alarm clock uses the sunrise concept to help you wake up gradually. You can set an alarm schedule, listen to ...

Science Doomsday Clock now closer than ever to midnight: ‘Probability of global disaster’ By Brooke Steinberg Published Jan. 28, 2025, 10:13 a.m. ET ...

There was a time when atomic clocks looked like pretty hot stuff. By measuring time based on the frequency of cesium-133 atoms, it was possible to build a clock that would only gain or lose a ...

We tested seven of the best sunrise alarm clocks to see how they compared with wake-up effectiveness, ease of use and overall design. Three emerged as the best.