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A Moment of Science

Posts tagged red blood

April 29, 2008

 

Blue vein in wrist

True Blue Inside of You?

Did you ever hear that blood is actually blue inside your body, but turns red instantly on contact with air? Learn more on this Moment of Science.

September 27, 2003

 

Why It Isn’t Easy Being Blue

Ever wonder if you can actually turn blue while holding your breath? Find out on this Moment of Science.

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