News tagged with polar seas
Americans' knowledge of polar regions up, but not their concern
Americans' knowledge of facts about the polar regions of the globe has increased since 2006, but this increase in knowledge has not translated into more concern about changing polar environments, according to new research ...
Space & Earth / Earth Sciences
Feb 07, 2012 |
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Is cannibalism in polar bears on the rise?
(PhysOrg.com) -- A series of photographs of cannibalism in polar bears have been released, and the researchers who witnessed the act think the rate of cannibalism may be increasing. They observed three instances ...
Dec 09, 2011 |
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CO2 bonds in sea ice: Small living creatures with major impact
Due to the presence of salts, the freezing point of sea water is below zero. During freezing, channels in which the salt accumulates, so-called "brine channels," are formed in the ice. They serve as a habitat ...
Space & Earth / Earth Sciences
Nov 11, 2011 |
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Watching the birth of an iceberg
(PhysOrg.com) -- After discovering an emerging crack that cuts across the floating ice shelf of Pine Island Glacier in Antarctica, NASA's Operation IceBridge has flown a follow-up mission and made the first-ever ...
Space & Earth / Earth Sciences
Nov 02, 2011 |
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Two new bee species are mysterious pieces in the Panama puzzle
Smithsonian scientists have discovered two new, closely related bee species: one from Coiba Island in Panama and another from northern Colombia. Both descended from of a group of stingless bees that originated ...
Oct 18, 2011 |
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Arctic ice cover hits historic low: scientists
The area covered by Arctic sea ice reached its lowest point this week since the start of satellite observations in 1972, German researchers announced on Saturday.
Space & Earth / Earth Sciences
Sep 10, 2011 |
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Preserving four percent of the ocean could protect most marine mammal species, study finds
Preserving just 4 percent of the ocean could protect crucial habitat for the vast majority of marine mammal species, from sea otters to blue whales, according to researchers at Stanford University and the ...
Aug 29, 2011 |
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Denmark moves forward on North Pole claim
Denmark on Monday presented its "Arctic Strategy" for the next decade, confirming that it intends to lay claim to the North Pole sea bed by 2014 at the latest.
Space & Earth / Earth Sciences
Aug 22, 2011 |
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In warmer Greenland, shoot the dogs, drill for oil
(AP) -- The old hunter was troubled by the foreigners encroaching on his Inuit people's frozen lands.
Aug 21, 2011 |
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Model shows polar ice caps can recover from warmer climate-induced melting
A growing body of recent research indicates that, in Earth's warming climate, there is no "tipping point," or threshold warm temperature, beyond which polar sea ice cannot recover if temperatures come back down. New University ...
Space & Earth / Earth Sciences
Aug 17, 2011 |
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Tohoku tsunami created icebergs in Antarctica
A NASA scientist and her colleagues were able to observe for the first time the power of an earthquake and tsunami to break off large icebergs a hemisphere away.
Space & Earth / Earth Sciences
Aug 08, 2011 |
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China sub makes first dive to below 5,000m
A Chinese submersible conducted the country's deepest manned dive Tuesday in the latest technological milestone for China, which theoretically puts most of the ocean floor's vast resources within its reach.
Space & Earth / Earth Sciences
Jul 26, 2011 |
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Long-distance swims may cause polar bear problems
Polar bears forced to swim longer distances because of diminished sea ice off Alaska's coast may be paying a price in lost cubs or precious calories, according to a study by the U.S. Geological Survey.
Jul 20, 2011 |
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Warming ocean layers will undermine polar ice sheets
Warming of the ocean's subsurface layers will melt underwater portions of the Greenland and Antarctic ice sheets faster than previously thought, according to new University of Arizona-led research. Such melting ...
Space & Earth / Earth Sciences
Jul 03, 2011 |
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Scientists warn of massive ocean extinctions
When we think of mass extinctions, we think of the dinosaurs. Nothing that could happen in the modern era, right?
Jun 27, 2011 |
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