USA Today Expert review of seal branding An expert review of Australia's controversial elephant seal branding program has found it caused widespread chronic wounding of the animals. The report concludes that only 18,7 per cent of the brands were fully healed with no excessive scarring. The Antarctican Thawing permafrost in the Arctic region Global warming is thawing permafrost in the northern hemisphere and making large areas vulnerable to subsidence, American researchers said today. The disapperance of permafrost is threatening infrastructure in the northern regions. ABC News Biologists warn about wood bison Results from a five-year study prove bison throughout the Canadian Wood Buffalo National Park are riddled with brucellosis and tuberculosis.
Biologists say the time has come to deal with the problem.
In 1960 there were 12,000 bison in the Park. Today there are only 2,400. For two decades and counting, with a growing mix of fascination and concern, scientists have been measuring big changes in the environment around the North Pole. Now scientists are intensifying their efforts to determine the causes of the changes and the potential consequences. NY Times Meteorite disappoints scientists Sandra Pizzarello from Arizona State University now says that the meteorite found near Tagish Lake in Yukon last year does not contain many of the building blocks of life she was hoping to find.