Abstract: We describe an evaluation of photoplethysmography (PPG) signals with two wavelengths channels (infrared and red) using a wrist-worn sensor for the estimation of heart rate variability (HRV) ...

Magnet fishing at a quiet bridge turned disturbing when firearms, ammunition, and weapon parts began appearing one after another. The volume of finds suggested this was no accident. Real-life Haribo!

In June 1980, three young women hitchhiked toward the Rainbow Gathering in rural West Virginia — a peaceful festival in the woods. But one of them, Liz Jondro, got a bad feeling and parted ways at a ...

Conclusions: SpO2 and PR measurements may be inaccurate across all skin pigmentation groups, breaching U.S. Food and Drug Administration guidance and industry standard thresholds. Pulse oximeters ...

Abstract: In this work, a detection and classification method for sleep apnea and hypopnea, using photopletysmography (PPG) and peripheral oxygen saturation (SpO 2) signals, is proposed. The detector ...

Ajay has worked in tech journalism for over a decade as a reporter, analyst, product reviewer, and editor. He got his start in consumer tech, breaking Android news at Newsweek before going to PCMag, ...

Instagram is expanding Reels-viewing beyond mobile, the social network announced on Tuesday. The company is piloting IG for TV, a new experience that lets you watch Reels on TV, starting with Amazon ...

Amazon Fire TV and Meta are bringing social media to your big screen. Starting today, instead of huddling around a phone to share your favorite Reels, Fire TV customers can enjoy Instagram in a new ...

Kingston Queen, third in the Grade 2 mares' bumper at Aintree, looked good when making a winning hurdling debut at Chepstow last month, beating a subsequent winner by seven lengths. The drop back in ...

Meta is giving Instagram users a rare glimpse into why certain posts are showing up on their Reels, the platform’s feed of algorithmically curated videos. Starting today, users will now see a list of ...

Instagram Reels is rolling out new options that let users see what the algorithm thinks they want to see. "Your Algorithm" shows you the content types the algorithm has determined you're interested in ...

Definitions of hypoxaemia, hypoxia, type 1 respiratory failure and hyperoxaemia Definition of hypercapnia and type 2 respiratory failure Definition of acidosis (respiratory acidosis and metabolic ...