News tagged with polarization
Related topics: light
Lunar Reconnaissance Orbiter creating unprecedented topographic map of moon
NASA's Lunar Reconnaissance Orbiter is allowing researchers to create the most precise and complete map to date of the moon's complex, heavily cratered landscape.
Space & Earth / Space Exploration
Dec 17, 2010 |
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Inter-species mating could doom polar bear: experts
Climate change is pushing Arctic mammals to mate with cousin species, in a trend that could be pushing the polar bear and other iconic animals towards extinction, biologists said.
Dec 16, 2010 |
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Arctic icecap safe from runaway melting: study
There is no "tipping point" beyond which climate change will inevitably push the Arctic ice cap into terminal melt off, according to a study released Wednesday.
Space & Earth / Earth Sciences
Dec 15, 2010 |
3.8 / 5 (6) |
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Polar bears still on thin ice, but cutting greenhouse gases now can avert extinction
Polar bears were added to the threatened species list nearly three years ago as their icy habitat showed steady, precipitous decline because of a warming climate. But it appears the Arctic icons aren't necessarily ...
Space & Earth / Earth Sciences
Dec 15, 2010 |
2 / 5 (14) |
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Could Santa Claus be toxic?
The exact location of Santa’s Workshop has long been kept secret, but one thing every child knows is that he lives somewhere up by the North Pole. It’s a place that has seen great changes in recent ...
Dec 07, 2010 |
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Using chaos to model geophysical phenomena
Geophysical phenomena such as the dynamics of the atmosphere and ocean circulation are typically modeled mathematically by tracking the motion of air or water particles. These mathematical models define velocity ...
Dec 07, 2010 |
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Polar bears 'spotted swimming with cubs on back'
(PhysOrg.com) -- Polar bears have been spotted carrying their cubs on their backs while they swim through icy waters, according to an article in UK online newspaper the Telegraph.
Dec 01, 2010 |
3 / 5 (3) |
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Air above Dead Sea contains very high levels of oxidized mercury
Measurements show that the sea's salt has profound effects on the chemistry of the air above its surface.
Space & Earth / Earth Sciences
Nov 29, 2010 |
4.8 / 5 (4) |
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US designates 'critical' polar bear habitat in Arctic
The US government designated "critical habitat" for polar bears who live on Alaska's disappearing sea ice, a move that could impact new oil and gas drilling projects in the Arctic.
Nov 25, 2010 |
5 / 5 (1) |
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Future of polar bears likely to be grim
Will polar bears survive in a warmer world? UCLA life scientists present new evidence that their numbers are likely to dwindle.
Nov 24, 2010 |
3.3 / 5 (6) |
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Tigers and polar bears are highly vulnerable to environmental change
Large predators are much more vulnerable than smaller species to environmental changes, such as over-hunting and habitat change, because they have to work so hard to find their next meal, according to a new ...
Nov 24, 2010 |
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Polar bears can't eat geese into extinction
As the Arctic warms, a new cache of resources -- snow goose eggs -- may help sustain the polar bear population for the foreseeable future. In a new study published in an early online edition of Oikos, resear ...
Nov 04, 2010 |
5 / 5 (1) |
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Discovery opens new window on development, and maybe potential, of human egg cells
Fertility procedures such as in vitro fertilization (IVF) require a couple and the doctor to place the risky bet that the multiple eggs they choose to fertilize will produce an embryo that will thrive in the uterus. Researchers ...
Medicine & Health / Medical research
Oct 25, 2010 |
3 / 5 (1) |
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Crew circles North Pole in one summer
A trimaran sailing boat circled the North Pole in a single summer season, a feat made possible by global warming and the melting of the Arctic ice cap, the boat's international crew said Thursday.
Space & Earth / Earth Sciences
Oct 14, 2010 |
2.8 / 5 (4) |
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LCLS helps create order from chaos
In the world of physics, where everything tends toward disorder, researchers working on the Linac Coherent Light Source are seeking perfect order. Many experiments at the pioneering machine will require each ...
Oct 08, 2010 |
4.8 / 5 (6) |
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