Whether it’s a tiny snail or a massive whale, most living organisms rely on blood flowing through their bodies to stay alive. This precious fluid fights infection, delivers nutrients and gases to ...

Our body's "blood factory" consists of specialized tissue made up of bone cells, blood vessels, nerves and other cell types.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. In a world first, researchers at the University of British Columbia ...

Across life on Earth, blood comes in blue, green, purple, even clear. But why? And what makes your blood different from mine? This is the strange world of blood—what it does, why it varies, and why we ...

Transfusions have become an important part of veterinary medicine, but cat and dog blood is not always easy to come by. Jolie, a blood donor, giving blood at a DoveLewis Blood Bank in Portland, Ore., ...