We learned in elementary school that we should eat...  ...that we should eat liver and spinach, because the hemoglobin in our blood needs the iron (thank goodness for f...  ...really neat stuff, like the chemical structure of hemoglobin

The ocellated icefish you see above has a...  ...is that the Ocellated Ice Fish has no hemoglobin , making it unique among vertebrates the world...  ...vertebrates the world over. Hemoglobin is the protein found in every other animal with b...  ...Researchers believe the fish can live wit...