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Invasive Species

Salmon (Photo by Jeff T. Green/Getty Images)

DNA Tool Helping Biologists Find Elusive Or Invasive Species

When salmon, salamanders or other aquatic animals shed skin cells, they leave behind traces of their DNA in the water, like clues left behind at a crime scene.

03/03/2015

Japanese Beetles (Photo Credit: Thinkstock)

Smart Phone App Will Help Blow Whistle On Invasive Species

A scientist has developed a smart phone application to help keep track of invasive species.

02/24/2015

(Newton Lake.  Photo by R. Ratner/ Collingswood Patch, collingswood.patch.com, used with permission.)

Meeting Set To Inform Camden County Residents About Newton Lake Cleanup

Camden County freeholder Jeff Nash says Newton Lake needs to be cleared of algae because otherwise, the lake will slowly fill in.

06/10/2013

(Richard Horwitz, a senior biologist with the Academy of Natural Sciences, holds a northern snakehead fish specimen that was found in FDR Park, South Philadelphia, in July 2004.  The northern snakehead can grow to several feet in size, crawl on land for short distances, and is native to Asia and Africa.  Credit: William Thomas Cain/ Getty Images)

Voracious ‘Frankenfish’ Spotted in Heinz Wildlife Refuge, Delaware County

The northern snakehead, a predatory fish from China, has been caught at the John Heinz National Wildlife Refuge in Tinicum Township.

03/26/2012

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