Science & Nature > Archive > July 2011

Science & Nature

NSF-funded Research: Largest Recorded Tundra Fire Yields Scientific Surprises

7/28/2011 The Anaktuvuk River fire, the largest recorded tundra fire in the Arctic, released approximately as much carbon into the atmosphere as the tundra has stored in the previous 50 years, according to a newly released study. More

NSF-Funded Research: Sea Level Rise Less from Greenland, More from Antarctica, Than Suspected during Last Interglacial

7/28/2011 During the last prolonged warm spell on Earth, the oceans were about 20 feet higher than they are now. New research suggests that, contrary to prior hypotheses, Greenland's ice may have contributed more, and Antarctica's less, to that rise. More

Penn State Researchers Trace Ancestry of Polar Bears to Ireland

7/7/2011 An international team, funded partly by the National Science Foundation, has discovered that the female ancestor of all living polar bears was a brown bear that lived in the vicinity of present-day Britain and Ireland 20,000 to 50,000 years ago. More

NOAA's Fairweather to Map Areas of the Arctic Unmeasured Since U.S. Acquired Alaska

7/7/2011 NOAA Ship Fairweather departed Kodiak, Alaska on a mission to conduct hydrographic surveys in remote areas of the Arctic where depths have not been measured since before the U.S. bought Alaska in 1867. More