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Study Reveals Origin of Modern Dog Has A Single Geographic Origin

HHMI Faculty

By analyzing the DNA of two prehistoric dogs from Germany, an international research team led by Krishna R. Veeramah, PhD, Assistant Professor of  Ecology & Evolution  in the  College of Arts & Sciences  at Stony Brook University, has determined that their genomes were the probable ancestors of modern European dogs. The finding, to be published in  Nature Communications , suggests a single domestication event of modern dogs from a population of gray wolves that occurred between 20,000 and 40,000 years ago.


Research News

Could Concrete Help Solve the Problem of Air Pollution?

Concrete

New research reveals that sulfur dioxide, a major contributor to air pollution, is removed from the air by concrete surfaces. Stony Brook University researcher Alex Orlov, PhD, and colleagues discovered how concrete interacts and eliminates sulfur and nitrogen oxides. Their findings, published in the July edition of the could be a significant step toward the practice of using waste concrete to minimize air pollution.

 

Research Photo of the Week

photo

DNA from ancient remains such as this skull (in center) of a 5,000 year-old dog unearthed from a burial cave in Germany in 2010 are helping scientists better understand the origin and evolution of dogs. By sequencing the whole genome of DNA from the skull, Stony Brook Assistant Professor of Ecology & Evolution  in the  College of Arts & Sciences Krishna Veeramah and colleagues suggest that dog domestication occurred 20,000 to 40,000 years ago from a single wolf population. Findings will be reported in Nature Communications.

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NBC News: Counting Penguins: What Penguins in Antarctica Might Be Telling Us About Climate Change

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