Apart from the name, how can you distinguish between a ruby and a pink sapphire? Gemologists rarely disagree that, in essence ...

The intensity of a ruby’s red color can vary based on the concentration of chromium. In fact, the most prized rubies—known as ...

Japanese red coral, known as "ox blood," is the rarest and ... It's called "Sunrise Ruby," and is described by having a crimson "pigeon's blood" hue. The previous record for a ruby was $8.6 ...

It is an industry that was supposed to be cleaned up, after the turn-of-the-millennium­ notoriety surrounding so-called blood or conflict ­diamonds—precious stones mined in African war zones ...

This highly variable city pigeon is familiar to all urban dwellers ... purple iridescence on the neck and breast; iris orange to red; orbital skin blue-gray; bill grayish black; and feet dark ...

Meet "Dinosaur," the 17 foot tall, two-ton aluminum pigeon. For the next year-and-a-half, its perch will be New York City's High Line. "Pigeons and birds, as we know, are what remains of dinosaurs ...

What happens in our body that make our veins look blue, although they are full of red blood? Follow Tech Insider: On Facebook Following is a transcript of the video: If our blood is red ...

The iris of the adult mourning dove is dark brown; that of the adult male passenger pigeon was bright red, and the female’s was orange. The adult mourning dove has a small black spot on its throat ...

MANHATTAN, N.Y. (PIX11) – Godzilla and King Kong have met their match. A giant pigeon sculpture called “Dinosaur” is now in place on the High Line near 10th Avenue and 30th Street.

Bats modify their red blood cells to become thicker and more rigid when they hibernate – and if we can figure out how, people might one day be able to copy the process for medical treatments or ...

Pigeon breasts are a delicious introduction to game. Here they're served with wild mushrooms and a rich red wine gravy. A young pigeon will have a supple breastbone and plump, pink flesh - these ...

Pigeon Island appeals to an eclectic mix of travelers. You could get a history lesson about the landmark's previous occupants (including a pirate with a wooden leg) or learn more about the ...