... Remember, these planets have been found within the Milky Way galaxy alone, what about the other billions of galaxies in the universe? Not to mention that the idea of species evolving into a more intelligent life is very possible, as seen within dolphins on Earth. A study of the fossils of dolphins and toothed whales from the last 50 million years indicates that some species have ... dramatically increased their intelligence (as estimated by the ratio of brain to body mass). The fact that several species have increased their cognitive faculties leads Shostak to believe that convergent .....

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• Grade Level: Undergraduate