Medical experts say jet lag is a light problem, not just a sleep problem. Here’s how to time sunlight, dim evenings, and (carefully) use melatonin to adjust faster.

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Biologists and engineers have joined forces to build a new robot bat that’s helping us understand how real bats use ...

VIDEO: Take a look at the timing of the light snow expected to move through overnight on New Year's Eve. VIDEO: Take a look at the timing of the light snow expected to move through overnight on New ...

The speed of light is one of the most fundamental constants in physics, yet it has never been directly measured in one direction. Instead, scientists rely on assumptions built into how time and ...

STATE POLICE SAY AN UNKNOWN VEHICLE HIT (*PAUSE FOR OPEN*) (*PAUSE FOR OPEN*) A rain/snow mix is falling across the Susquehanna Valley this morning. Temperatures are at or just above freezing, so ...

Most people use red light therapy 2-5 times a week for 10-20 minutes. You can use red light therapy to increase melatonin and improve your sleep. Do not use red light therapy for longer than 30 ...

Linköping University scientists have used visible light to create electrodes from conductive plastics without the need for toxic chemicals or conductive metals. The research team behind the novel ...

Apple in macOS Tahoe 26.2 introduced Edge Light, a clever new feature that turns your Mac's display into a virtual ring light during video calls. Instead of fumbling with external lighting equipment, ...

This study investigated the effects of varying diesel pilot injection timings (19°–25° BTDC) on the thermal efficiency, combustion, and emission characteristics ...

1 Department of Oncology, Affiliated Hospital of North Sichuan Medical College, Nanchong, China 2 Department of Thoracic Surgery, The Affiliated Nanchong Central Hospital of North Sichuan Medical ...

LED face masks offer a host of transformative skin benefits—they can reduce redness, treat acne, and minimize the look of fine lines, wrinkles, and discoloration. Even better, they don’t require a lot ...