News tagged with arctic regions

Geologists map prehistoric climate changes in Canada's Yukon Territory

Researchers at the University of Pittsburgh have joined an international group of scientists to study past climate changes in the Arctic. Comprising geologists from Pitt's Department of Geology and Planetary Science, the ...

Space & Earth / Earth Sciences

created May 08, 2012 | popularity 3.5 / 5 (2) | comments 0 | with audio podcast

New study suggests polar bears evolved earlier than previously thought

(Phys.org) -- A new genetic analysis carried out by and international team of scientists has revealed that polar bears and brown bears may have diverged around 600,000 years ago, which is much earlier than ...

Biology / Evolution

created Apr 20, 2012 | popularity 4 / 5 (3) | comments 69 | with audio podcast report

Breaking the ice on icebergs

(Phys.org) -- Icebergs are a natural and beautiful part of Earth's cryosphere, and are closely monitored and studied by scientists around the world.

Space & Earth / Earth Sciences

created Apr 16, 2012 | popularity 5 / 5 (1) | comments 0

Spallation Neutron Source puts the squeeze on methane hydrate cages

(PhysOrg.com) -- Imagine a robot sent out on the prowl on this energy hungry planet looking for methane, the principal component of what we call "natural gas" and probably the most abundant organic compound ...

Chemistry / Materials Science

created Mar 15, 2012 | popularity 4.5 / 5 (4) | comments 0 | with audio podcast

Climate change could impact on polar ecosystems

Polar ecosystems could be at risk from the spread of toxic cyanobacteria if the climate continues to warm, say scientists.

Space & Earth / Environment

created Mar 02, 2012 | popularity 5 / 5 (2) | comments 1

Oil versus fish in idyllic Norwegian islands

Looking for oil outside your front door may sound exciting, but in the idyllic Arctic archipelago of Lofoten, one of Norway's best fishing areas, the prospect of the black gold has sparked heated debate.

Space & Earth / Environment

created Mar 02, 2012 | popularity 5 / 5 (1) | comments 0

From 'science from above' to 'science in the community'

Most research initiatives aim to discover more knowledge. The International Polar Year (IPY) went even further; it created more discoverers.

Space & Earth / Earth Sciences

created Feb 19, 2012 | popularity not rated yet | comments 0

Surface of Mars an unlikely place for life after 600 million year drought, say scientists

Mars may have been arid for more than 600 million years, making it too hostile for any life to survive on the planet's surface, according to researchers who have been carrying out the painstaking task of analysing ...

Space & Earth / Space Exploration

created Feb 03, 2012 | popularity 4.3 / 5 (13) | comments 10 | with audio podcast

New study shows correlation between summer Arctic sea ice cover and winter weather in Central Europe

Even if the current weather situation may seem to speak against it, the probability of cold winters with much snow in Central Europe rises when the Arctic is covered by less sea ice in summer. Scientists of the Research Unit ...

Space & Earth / Earth Sciences

created Feb 01, 2012 | popularity 4.8 / 5 (6) | comments 0

Denmark names first Arctic envoy

Denmark, which is planning to lay a claim to the North Pole sea bed, on Tuesday named its first permanent envoy to the resource-rich Arctic.

Space & Earth / Earth Sciences

created Jan 17, 2012 | popularity 4 / 5 (1) | comments 1

Cold winters caused by warmer summers, research suggests

Scientists have offered up a convincing explanation for the harsh winters recently experienced in the Northern Hemisphere; increasing temperatures and melting ice in the Arctic regions creating more snowfall in the autumn ...

Space & Earth / Earth Sciences

created Jan 12, 2012 | popularity 3.3 / 5 (13) | comments 9 | with audio podcast

Federal report: Arctic much worse since 2006

(AP) -- Federal officials say the Arctic region has changed dramatically in the past five years - for the worse.

Space & Earth / Environment

created Dec 01, 2011 | popularity 4.9 / 5 (11) | comments 15

World temps maintain the heat of global warming

2011 is currently tied for the 10th hottest since records began in 1850 and Arctic sea ice has shrunk to record-low volumes this year, the U.N. weather office said Tuesday.

Space & Earth / Environment

created Nov 29, 2011 | popularity 4.3 / 5 (15) | comments 69

Could lemmings be involved in regulating our climate?

The mention of lemmings usually evokes images of small rodents throwing themselves off the top of cliffs in acts of mass suicide; however, their reputations might no longer be determined by hearsay as a new ...

Space & Earth / Environment

created Nov 18, 2011 | popularity 2.5 / 5 (4) | comments 7 | with audio podcast

Canadian Arctic nearly loses entire ice shelf

Two ice shelves that existed before Canada was settled by Europeans diminished significantly this summer, one nearly disappearing altogether, Canadian scientists say in new research.

Space & Earth / Environment

created Sep 30, 2011 | popularity 5 / 5 (8) | comments 4