Researchers have discovered a fundamental mechanism that affects the size of the pupil, namely our breathing. The study shows that the pupil is smallest during inhalation and largest during exhalation ...

Does colorful light therapy actually make a difference? I tested a range of devices on my acne-prone skin to find out.

Researchers at Karolinska Institutet in Sweden have discovered a fundamental mechanism that affects the size of the pupil, namely our breathing.

SHOPPING: Shark Ninja - best known for vacuum cleaners and air fryers - has launched an LED face mask developed with dermatologists that claims to be the best way to banish wrinkles.

But do these devices actually deliver on their promises — or are these at-home devices yet another expensive gimmick? We ...

Picture a primordial Earth: a world of muted browns, greys and greens. Fast forward to today, and Earth teems with a ...

Cleaner, more pure water backscatters light in the blue range, which makes it look blue. One famous example is Crater Lake in Oregon, which lies in a volcanic crater and is fed by rain and snow, ...

Nature’s trickery makes blueberries appear blue, but they’re actually red. Learn about the science behind this optical ...

Stargazers are preparing for the arrival of the first blood moon lunar eclipse of the year, with people having the chance to ...

Military submarines use red light instead of fluorescent or other light types for specific, scientific reasons. Here's ...

The CurrentBody Skin LED face mask has been the most popular LED face mask among Glamour readers since we first published our buying guide in 2023. It’s not just our readers who love it. It was ...

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