We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are ...

University of Texas at Dallas researchers, in partnership with Texas-based biotech company EnLiSense, have demonstrated a ...

Announced at IFA 2025, the Luna Smart Ring Gen 2 is the second generation that tracks your biomarkers, and helps you ...

The light-sensitive tissue of birds’ eyes is not supplied with oxygen by blood vessels – instead, it powers itself with a ...

A new study explains how birds maintain sharp eyesight despite their retinas lacking blood vessels, finally resolving a ...

Pulmonary function tests are a group of noninvasive breathing tests that measure how much air your lungs can hold, how ...

Neural tissue normally dies quickly without oxygen. Yet bird retinas—among the most energy-demanding tissues in the animal ...

A new lens-free imaging system uses software to see finer details from farther away than optical systems ever could before.

A new study shows how one of the cell's most important energy-producing machines is built. Researchers at Karolinska ...

A new study showcases how brain waves known as alpha oscillations help us distinguish between ourselves and the outside world ...

We've rounded up the best astro cameras — these models are tried and tested by our experts to help you decide what to invest in. When you purchase through links on our site, we may earn an affiliate ...

Journaling for just a few minutes every day can help turn it into a stress-relieving, sustainable habit. It may help to write at the same time each day or use prompts for fresh ideas. One of your best ...