The evidence is in: Snowshoe hares near Wiseman eat lots of dirt. “I have thousands and thousands of photos of hares eating soil in this one little spot,” said Donna DiFolco, a biologist and cartographer with the National Park Service. DiFolco has studied hares in the eastern portion of Gates of the Arctic National Park […]
A University of Queensland-led international study could lead to more accurate predictions or the rate of global warming from greenhouse gas emissions produced by thawing permafrost in the next 100 years. The study of the microorganisms involved in permafrost carbon degradation links changing microbial communities and biogeochemistry to the rise of greenhouse gas emissions. It […]
In August 2016, the first large cruise ship traveled through the Northwest Passage, the northern waterway linking the Atlantic and Pacific oceans. The following year, the first ship without an icebreaker plied the Northern Sea Route, a path along Russia’s Arctic coast that was, until recently, impassable by unescorted commercial vessels. In recent decades parts of the Arctic seas […]
CHAMPAIGN, Ill. — A study reported in the journal Science offers an enhanced view of the origins and ultimate fate of the first dogs in the Americas. The dogs were not domesticated North American wolves, as some have speculated, but likely followed their human counterparts over a land bridge that once connected North Asia and the Americas, […]