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Latest Great American Interchange Stories

Mammal Diversity Aided In Survival Over Deep Time
2012-04-24 12:24:49

Lawrence LeBlond for RedOrbit.com In a first of its kind study, researchers from Vanderbilt University found that mammals´ best defense to adapting to climate change was diversity, and families with higher taxonomic diversity were better able to survive ongoing environmental changes. Larisa R. G. DeSantis, Assistant Professor of Earth and Environmental Sciences at Vanderbilt, led researchers in studying how North American mammals adapted to climate change over a 56-million-year...

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2009-12-10 09:04:33

Despite their ability to fly, tropical birds waited until the formation of the land bridge between North and South America to move northward, according to a University of British Columbia study published this week in the Proceedings of the National Academy of Sciences Early Edition. "While many North American birds simply flew across the marine barriers that once separated the continents, tropical birds, especially those in Amazon forest regions, began colonization of North America almost...


Latest Great American Interchange Reference Libraries

Homotherium
2012-04-30 12:22:54

Homotherium, and extinct genus of machairodontine saber-toothed cats, was native to South America, North America, Europe, Africa, and Asia during the Pliocene era to the Pleistocene era. Homotherium can also be called the scimitar-toothed cat. This cat lived for approximately five million years, most likely dying out around ten thousand years ago. In Africa, Homotherium became extinct around 1.5 million years ago, lasting somewhat longer in Eurasia becoming extinct about 30,000 years ago....

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Word of the Day
mundungus
  • A stinking tobacco.
  • Offal; waste animal product; organic matter unfit for consumption.
This word comes from the Spanish 'mondongo,' tripe, entrails.