Researchers at Brown University have developed a wearable sensor that uses polarized light to improve the accuracy of photoplethysmography (PPG) signals across different skin tones. Conventional pulse ...

Despite its widespread use, PPG accuracy can vary significantly across individuals, particularly by skin tone. Darker skin contains more melanin, which absorbs and scatters light, often leading to ...

Garmin's health and fitness smartwatch brings a number of upgrades, including a more premium design, built-in flashlight and ...

Physics World is delighted to announce its Top 10 Breakthroughs of the Year for 2025, which includes research in astronomy, antimatter, atomic and molecular physics and more. The Top Ten is the ...

I’ve been reviewing smart lighting for years. Here are tips on how to prep, what to choose, and the smart lights that work ...

Experts say gait speed, grip strength, balance, and endurance are some of the strongest predictors of long-term independence.

Seeed Studio sent us a review sample of the XIAO Soil Moisture Sensor powered by the XIAO ESP32C6 wireless module and running ...

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. VO2 max measures how much ...

Whoop initially captured my heart for being a buzzy, cool-looking wearable fitness tracker that didn’t have a screen. After ...

Explore the best premium smartwatches with health sensors offered by brands like Apple, Oneplus, Samsung, and more. These ...

Dental professionals or students, here's a bulk pack of 100 disposable dual-arch fluoride trays. They're perfect for applying ...

Parents hoping to protect their kids have long questioned the effects of smartphones on children . Now, researchers say there is an association between tech devices and health. How’s that? A study ...