View sequential still images of thermokarst (thawed permafrost) at Horn Lake in northern Alaska during the summer of 2010. The video was made by researchers studying the responses of Arctic landscapes to permafrost degradation.
Article about PolarTREC teacher Chantelle Rose's icebreaker-based expedition to collect some of the first winter information on the biology, chemistry, and physical oceanography of the Bering, Chukchi, and Beaufort Seas.