Tag: "cougar" at biology news

Cougar predation key to ecosystem health

...ecology. "When park development caused cougar to begin leaving Zion Canyon in the 1930s, it allo...is sufficiently remote that it still has an intact cougar population and far fewer mule deer. In contrast to Zion Canyon, streambanks in this watershed have n...

Finding a virus is not all bad news

...hen tested for the FIV virus, which is passed from cougar to cougar through physical contact or at birth. "Viruses evolve rapidly so once you have a common virus such ...

Wildlife professor updates 'best available science' on Florida panther

...t, Vaughan adds "relocation studies with the Texas cougar in Florida have shown the large carnivore can adapt, intermingle with the native panther, and thrive its new environment."...

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(Date:7/28/2014)... RENO Norwegian explorer Roald Amundsen became the first ... 1911. More than 100 years later, an international team ... Research Institute (DRI) have proven that air pollution from ... 16 ice cores collected from widely spaced locations around ... created the most accurate and precise reconstruction to date ...
(Date:7/27/2014)... nicotine and cotinine, a metabolite of nicotine, can potentially ... smoke. , The carcinogen 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone or NNK is produced ... up in the tobacco smoke. Once inhaled, it is ... activated by a variety of enzymes called Cytochrome P450 ... can partially interfere with the activation of NNK, and ...
(Date:7/27/2014)... wiped them out if it had taken place slightly ... fresh study using up-to-date fossil records and improved analytical ... of the prehistoric creatures, demise, some 66 million years ... years before a 10km-wide asteroid struck what is now ... volcanic activity, changing sea levels and varying temperatures. ...
Breaking Biology News(10 mins):Industrial lead pollution beat explorers to the South Pole by 22 years and persists today 2Industrial lead pollution beat explorers to the South Pole by 22 years and persists today 3Nicotine found to inhibit DNA-strand break caused by a certain carcinogen in smoke 2Dinosaurs fell victim to perfect storm of events, study shows 2
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