Beryl’s crystal structure is more complicated ... But how can one element — chromium — create the red color of a ruby and green color of an emerald? Rubies and emeralds have the colors ...

Beryl's crystal structure is more complicated ... But how can one element—chromium—create the red color of a ruby and green color of an emerald? Rubies and emeralds have the colors they ...

Elle beauty director Kathleen Hou adds that Always Red is “used all the time on Vogue China covers. It’s like Ruby Woo in liquid form.” The lip stain was called out by multiple professional ...

The male ruby-throated hummingbird does indeed have a striking red throat, though the female of the species does not. You would have to look quickly to see either, however, as these speedy little ...