"I believe that means she is spayed," commented one social-media user on the post, earning more than 23,000 upvotes.

Discover what everyday objects really look like under ultraviolet light in this surprising UV experiment. A powerful UV lamp reveals hidden marks on banknotes, secret layers in paintings, invisible ...

Fluorescent bulbs can be lit up without a light fixture, but it takes caution.

Minutes matter when a surgeon is deciding how much tissue to remove. Yet for centuries, medical imaging has leaned on stains ...

The City of Winnipeg has resumed treating waste water with ultraviolet light at the North End sewage plant. The process, which neutralizes bacteria and viruses, was temporarily tu ...

Gentle, practical summer skincare tips for hot climates: cleansing, light moisturiser, SPF 30+ and reapplication to prevent ...

Whether you never miss your bi-weekly gel mani appointment or only pop into the salon a couple of times a year for a standard polish, there's a good chance that at some point, you've found yourself ...

Scorpions glow a bright neon green when exposed to ultraviolet light, a phenomenon known as fluorescence. Scientists believe this glow may act as a full-body light sensor, helping scorpions detect ...

What the research is about Have you ever used a chemical glow stick at a concert? When you bend it, it suddenly begins ...

Already, they’re showing a side of these creatures we’d never see otherwise. The delicate hairs of this caterpillar, captured ...

Oxygenic photosynthesis, a cornerstone of terrestrial and aquatic life, has long been associated with the absorption of visible light by chlorophyll a and ...

It's not just the sun that can affect flare-ups on your face.