Blue fingernails may be due to a low level or lack of oxygen circulating in your red blood cells ... It occurs when there isn’t enough oxygen in your blood, making the skin or membrane below ...

A first-time visit to the dermatologist reveals what really happens during a skin check — plus what to know about rosacea, moles and sun safety.

The haze and smoke in the atmosphere Friday made for a very vibrant sunset and will likely lead to a vibrant sunrise Saturday ...

Colour isn't just a physical property; it's how our brains interpret light reflected from objects. Different creatures ...

Forget those pricey HDMI sync boxes. This simple white-light LED strip will ease eye strain while also boosting the apparent ...

Although there are many red light devices online, it’s best to speak with a doctor about any symptoms you may have before trying any treatment on your own. There isn’t much consensus about RLT ...

Ever wonder why the sky looks red during wildfires? The Weather Network explains how smoke in the air changes the way ...

Whether you have a Surface RT or Surface Pro, first or second generation, your tablet is not waterproof, and water damage can permanently stop your Surface tablet's touch screen from working.

For decades, scientists and surgeons around the world have been trying to solve the organ donor crisis. The answer could be rolling in the mud. Did Pluto ever actually stop being a planet? Experts ...