This year, Arizona's skies were illuminated by the mesmerizing northern lights, a spectacle many captured on their phones.

Over the past several decades, researchers have been getting better and better at manipulating tiny particles with acoustic ...

The largest survey of our universe ever conducted suggests that it closely matches the model most favored by cosmologists. It ...

Northwestern Energy is helping college students understand what it takes to supply energy to its customers. Around 30 ...

One mathematician has helped to prove both one of these and another problem just this year.

The overall quant rating is not an average of the factor grades listed. Instead, it gives greater weight to the metrics with the strongest predictive value.

A simple, highly efficient, inexpensive, and environmentally friendly process could provide a viable pathway for the sustainable recycling of depleted lithium-ion batteries (LIBs): No chemicals beyond ...

Smart rings are booming, and they’re here to stay ... which makes it actionable. Samsung’s new Energy Score sits at the heart of the experience, and we found its scores based on your sleep ...

This study aimed to evaluate a novel method for estimating arterial stiffness using photoplethysmography (PPG) signals recorded by a commercially available device (Oura Ring) and to study the impact ...

I’ve made no secret about wearing the Oura Ring smart ring for many years. I am definitely a fan of the product, as is made clear by this longevity, but don’t take this to mean I’ll go easy ...

Both the Oura Ring 4 and the Galaxy Ring are designed to be worn for extended periods of time, so comfort has to be one of the main considerations. The Oura Ring 4 has a comfortable fit ...