During the Age of the dinosaurs, huge reptiles, such as mosasaurs and ichthyosaurs, ruled the seas. Previously, scientists could only guess what colors these spectacular animals had; however, pigment preserved in fossilized skin has now been analyzed. The unique soft tissue remains were obtained from a 55 million-year-old leatherback turtle, an 85 million-year-old mosasaur and a 196–190 million-year-old ichthyosaur. This is the first time that the color scheme of any extinct marine animal has be...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/5...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/5...



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La prevención del VIH no llega a las jóvenes sudafricanas

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