THE OTHER MAN WAS WEARING A BLACK JACKET, LIGHT BLUE SWEATS, BLACK SHOES AND HE HAD A GREEN BACKPACK. SO DO YOU KNOW WHO ...

The reason the spots are blue is because of something called the Tyndall effect. The Tyndall effect involves the scattering of light as it passes through particles in its path. The pigments on the ...

“Blue Zones” are geographic areas with lower rates of chronic diseases and longer life expectancy. Diet, fasting, and exercise are factors associated with Blue Zones. Italy, Greece, Japan ...

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“Let’s rest, and I’ll tell you how I recreated Maya blue.” The Sacred Cenote in Chichen Itza, Yucatan, Mexico, is a natural well used by the Maya in religious ceremonies, including human ...

Using a groundbreaking new technique, researchers have unveiled the first detailed image of a photon — a single particle of light — ever taken. When you purchase through links on our site ...

A blue nevus is a benign type of mole. It may appear as a blue lump on the skin. A blue nevus may be present at birth or develop as a person ages. Healthcare professionals refer to more than one ...

Reducing blue-light on your Windows PC, Mac, or Chromebook is a good way to protect your circadian rhythm and reduce eye strain. While you can download third-party apps, the latest versions of the ...

An astrophotographer attempting to create a timelapse of trails of stars behind Mount Xiannairi in Sichuan, China, ended up capturing a strange blue light being emitted during an avalanche.