Why Do Some Lizards Have Green Blood?

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Kermit the Frog used to sing that it wasn't easy being green, but that isn't the case for some real-life lizards. They apparently find being green so easy that even their blood is green. A study published Tuesday suggests seems that this lime-green blood has evolved independently several times in lizards. Scientists are now trying to understand how these lizards might benefit from blood that's green. The answer could provide new insights into human illnesses like jaundice and malaria. The weird blood has been found in skinks that live in New Guinea, an island off of Australia, and its bright color is striking. "There's so much green pigment in the blood that it overshadows the brilliant crimson coloration of red blood cells," says Chris Austin ,...

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Why Do Some Lizards Have Green Blood?

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