Invasive Species

DNA Tool Helping Biologists Find Elusive Or Invasive SpeciesWhen 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.
Smart Phone App Will Help Blow Whistle On Invasive SpeciesA scientist has developed a smart phone application to help keep track of invasive species.
'Sea Squirts' Spreading Off New EnglandAn invasive species known as "sea squirts" has spread on the sea floor off New England, but scientists say it's not all bad news.