Clipped inside the rim of your toilet, the Dekoda’s optical sensor analyzes your stool for insights about your gut heath.

Eyeglasses, microscopes, and telescopes that allow us to see things more clearly, from extreme close ups to distant galaxies.

Discover what dermatologists say about gua sha tools, their real benefits, and whether this viral beauty trend is worth ...

They're two of the best camera phones on the market, but how do they compete face to face? Let's compare some photos and find ...

Discover how Penn researchers are building energy-efficient displays and AI chips that use light to revolutionize computing and communications.

The M EV1 is very closely matched with the Sony and Fujifilm cameras when it comes to capturing dynamic range. The Sigma BF ...

An optical illusion has been shared online showing a garden scene with a hidden deer - but can you spot the animal in the picture in under six seconds?

Light is fast, but travels in long wavelengths and interacts weakly with itself. The particles that make up matter are tiny ...

If the Earth were a flat surface and the Sun moved overhead and you traced shadows over the course of a year, the shadow's ...

PMI is an important non-destructive testing method that verifies material composition, ensuring safety and regulatory ...

Ahead of the 2025 American Academy of Ophthalmology (AAO) meeting, the Eye Care Network spoke with Peter Stalmans, MD, PhD, ...