The timing of the first entry of humans into North America across the Bering Strait has now been set back 10,000 years. This has been demonstrated beyond a shadow of a doubt by Ariane Burke, a professor in Université de Montréal’s Department of Anthropology, and her doctoral student Lauriane Bourgeon, with the contribution of […]
The annual migration of some beluga whales in Alaska is altered by sea ice changes in the Arctic, while other belugas do not appear to be affected. A new study led by the University of Washington finds that as Arctic sea ice takes longer to freeze up each fall due to climate change, one […]
The thawing and erosion of Arctic permafrost coasts has dramatically increased in the past years and the sea is now consuming more than 20 meters of land per year at some locations. The earth masses removed in this process increasingly blur the shallow water areas and release nutrients and pollutants. Yet, the consequences of these […]
SAN FRANCISCO — On rare winter mornings here, a skim of ice forms on sidewalk puddles. But water’s solid form is mostly an abstraction in this land of blooming flowers and the hummingbirds that visit them. Except for the week of the fall meeting of the American Geophysical Union. Dozens of the 22,000 scientists gathering […]