On the website for the department of zoology of the University of Cambridge, the page for Arik Kershenbaum lists his three main areas of research, one of which stands out from the others. Kershenbaum studies "Wolves & other canids," "Dolphins & cetaceans" — and "Aliens." Granted, science hasn't yet found any aliens to study, but Kershenbaum says that there are certain things we can still say about them with reasonable certainty. Topping the list: They evolved.
"The bottom line — why animals do the things that they do, why they are the things that they are — is because of evolution," said Kershenbaum, a lecturer and director of studies in the natural sciences at the university's Girton College. He argues that evolution is a universal law of nature, like gravity — and that studies of plants and animals here can therefore tell us something useful about potential inhabitants of worlds far beyond Earth.
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