Light impacts the ticking of our internal clock — it tells our brain to be awake, while darkness signals that it’s time to sleep. That’s why screen time before bed can interfere with your sleep.

The anterior tibial artery is located in the lower leg, running from the popliteal fossa just behind the knee down along the tibia and fibula, the major bones of the lower leg. It is a branch of the ...

21 behind us, and Daylight Saving Time is ahead of us. Within most regions of the U.S., clocks are adjusted one hour ahead during summer months and then adjusted back an hour during the winter months.

We have trillions of body clocks — a central one in the brain and others in each cell of our body. Here's how they work with light to control our health. Exposure to light is crucial for our ...

When you purchase through links on our site, we may earn an affiliate commission. Utter the words ‘alarm clock’ to anyone born in this century, and they may look at you in undisguised ...

Humacyte is also developing its engineered vessel approach for use in building fistula access grafts for patients who need dialysis, as well as for people facing peripheral or coronary artery disease.

Additionally, the low median SYNTAX scores (12·0 in the overall population) and the fact that 22% of patients in the SAVR plus CABG group lacked left anterior descending artery involvement raise ...

Research teams have innovated in nuclear clock technology by creating thin thorium tetrafluoride films, enhancing the clocks’ precision and reducing their radioactivity. This advancement promises ...

However, building such a clock has posed major challenges—thorium-229, one of the isotopes used in nuclear clocks, is rare, radioactive, and extremely costly to acquire in the substantial ...

Informed by selective coronary angiography, which was developed in 1958 by Drs Mason Sones and Earl Shirey, the first left internal thoracic artery to coronary artery bypass was performed by Dr Robert ...