University of Arizona

Biodiversity is more than just a numbers game

A new look at one of ecology's unsolved puzzles—why biodiversity is higher in the tropics compared with colder regions—revealed that while this long-recognized pattern holds true for the sheer number ...

dateOct 07, 2014 in Ecology
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The supernova that cried wolf

(Phys.org)—Astronomers are announcing today that a massive star, which they have watched repeatedly mimic a supernova since 2009, has finally exploded for real. The report is being presented to the American Astronomical ...

dateJan 09, 2013 in Astronomy
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