News Main Animals Archaeology Dinosaurs Earth History Human Animal Space Tech   iStockPhoto |   Success Story To figure out how alligators and their ancestors have survived for millions of years under varying oxygen conditions, researchers incubated three separate groups of alligator eggs, exposing them to environments containing 12 percent, 21 percent, and 30 percent oxygen. The results of the study could help explain how dinosaurs once rose to dominate the Earth. | Discovery News Video   « back to article

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