From the Oura Ring to the Apple Watch to the Google Pixel — here's what the science really says about the accuracy of their health data ...

RALEIGH — I’m an early riser. I have been since early adulthood — long, long before any hungry children, or a certain German Shepherd, came along to command my early-morning attention. If you had ...

Home theater reviews are some of my favorites to do. I mean, who wouldn’t like to watch movies and listen to music for a living? The first home theater review for 2026 is the Bluesound PULSE CINEMA ...

A major UK study shows that commonly used home pulse oximeters can overestimate oxygen levels in people with darker skin, increasing the risk of undetected hypoxemia and raising urgent questions about ...

In the EXAKT study from the U.K., the home-use pulse oximeters assessed all gave higher oxygen saturation (SpO2) readings for patients with darker skin tones than for patients with lighter skin tones.

When it comes to constructing an investment portfolio, “negative correlation” is something of a holy grail. Diversification, investors are told, is about combining assets that behave differently. You ...

The fascinating aspect to the latest price move in gold is that it’s occurring with positive correlation to the S&P 500, as opposed to the negative correlation that gold had with equities for the last ...

The PULSe program brings together a vibrant community of faculty, Ph.D. students, and alumni from different departments across Purdue University, all dedicated to advancing interdisciplinary life ...

Bluesound is essentially a high-end rival to Sonos. The Canadian hi-fi manufacturer is best known for its lines of Node wireless streamers and Powernode streaming amplifiers, but it also makes ...

Bitcoin’s correlation with gold has climbed above 0.85 as both assets attract investors seeking stability amid inflation and global uncertainty. Bitcoin’s correlation with gold is increasing as both ...