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Predicting extinction—with the help of a Yule tree

At this time of year, the words "Yule tree" may conjure images of brightly decorated balsam firs. But for Lea Popovic, an associate professor of mathematics and statistics in the Faculty of Arts and Science, a Yule tree is ...

dateDec 14, 2016 in Evolution
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Why were there so many dinosaur species?

A new species of dinosaur is described, on average, every 10 days. As many as 31 species have already been reported this year and we can expect a few more before 2016 is over. Of course, figuring out what counts as a distinct ...

dateDec 13, 2016 in Archaeology & Fossils
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Study could help amphibian conservation efforts

When a Southern chorus frog calls in the night from its wetland home, its voice sounds like a thumb being drawn across a fine toothed comb. At least that's how it's described by James Vonesh, Ph.D., associate professor of ...

dateDec 13, 2016 in Ecology
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