Monday, May 13, 2013

"What The Vampire Said To The Horseshoe Crab: 'Your Blood Is Blue?'"


When we talked about the oxygen-carrying molecule, hemoglobin, that is present in most animals, we also mentioned that some, instead have hemocyanin, which causes the blood to be blue when oxygenated.  Check out this NPR story about the amazing things being learned about the properties of this blood in horseshoe crabs:



and this PBS video, "Blue Blood at $15,000 a quart"!











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