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News tagged with hemisphere

Variations in fine-structure constant suggest laws of physics not the same everywhere

(PhysOrg.com) -- One of the most controversial questions in cosmology is why the fundamental constants of nature seem fine-tuned for life. One of these fundamental constants is the fine-structure constant, ...

Physics / General Physics

created Sep 06, 2010 | popularity 4.9 / 5 (78) | comments 77 | with audio podcast report

NASA Research Finds Last Decade was Warmest on Record, 2009 One of Warmest Years

(PhysOrg.com) -- A new analysis of global surface temperatures by NASA scientists finds the past year was tied for the second warmest since 1880. In the Southern Hemisphere, 2009 was the warmest year on record.

Space & Earth / Environment

created Jan 21, 2010 | popularity 3.5 / 5 (48) | comments 100 | with audio podcast

Atlantic currents have seen 'drastic' changes: study

Scientists have found evidence of a "drastic" shift since the 1970s in north Atlantic Ocean currents that usually influence weather in the northern hemisphere, Swiss researchers said on Tuesday.

Space & Earth / Earth Sciences

created Jan 04, 2011 | popularity 3.8 / 5 (43) | comments 38

Climate change to continue to year 3000 in best case scenarios: research

New research indicates the impact of rising CO2 levels in the Earth's atmosphere will cause unstoppable effects to the climate for at least the next 1000 years, causing researchers to estimate a collapse of the West Antar ...

Space & Earth / Earth Sciences

created Jan 09, 2011 | popularity 2.8 / 5 (58) | comments 127 | with audio podcast

IceCube spies unexplained pattern of cosmic rays

(PhysOrg.com) -- Though still under construction, the IceCube Neutrino Observatory at the South Pole is already delivering scientific results - including an early finding about a phenomenon the telescope was ...

Space & Earth / Astronomy

created Jul 27, 2010 | popularity 4.9 / 5 (27) | comments 5 | with audio podcast

Crossing the icy unknown, hunting climate clues

(AP) -- On the 27th day of their trek, a dozen "black specks" of humanity crawling across Antarctica's vast white silence, Lou Albershardt heard a sound she'd never heard in two decades on the ice.

Space & Earth / Earth Sciences

created Mar 21, 2009 | popularity 4.3 / 5 (29) | comments 0

Europe, US to see snowy, cold winters: expert

Europe, North America and east Asia can expect more cold, moist and snowy winters such as the one just passed, a top scientist said Friday.

Space & Earth / Environment

created Jun 11, 2010 | popularity 3.6 / 5 (34) | comments 118

Drought in SW Australia linked to snowfall in Antarctica

A drought that has gripped the southwestern corner of Australia since the 1970s is linked with higher snowfall in East Antarctica, a phenomenon that may be rooted in global warming, scientists reported on ...

Space & Earth / Earth Sciences

created Feb 07, 2010 | popularity 3.8 / 5 (26) | comments 31

Answer to what ended the last ice age may be blowing in the winds, paper says

Scientists still puzzle over how Earth emerged from its last ice age, an event that ushered in a warmer climate and the birth of human civilization. In the geological blink of an eye, ice sheets in the northern ...

Space & Earth / Earth Sciences

created Jun 25, 2010 | popularity 4.6 / 5 (20) | comments 11 | with audio podcast

Loss of reflectivity in the Arctic doubles estimate of climate models

A new analysis of the Northern Hemisphere's "albedo feedback" over a 30-year period concludes that the region's loss of reflectivity due to snow and sea ice decline is more than double what state-of-the-art ...

Space & Earth / Earth Sciences

created Jan 18, 2011 | popularity 3.7 / 5 (23) | comments 126 | with audio podcast

Taking a second look at evidence for the 'varying' fine-structure constant

(PhysOrg.com) -- A few weeks ago, a group of scientists from Australia posted a study at arXiv.org that showed evidence that the fine-structure constant may not actually be a constant. If the fine-structu ...

Physics / General Physics

created Oct 21, 2010 | popularity 4.6 / 5 (18) | comments 48 | with audio podcast report

Study suggests H1N1 virus more dangerous than suspected

(PhysOrg.com) -- A new, highly detailed study of the H1N1 flu virus shows that the pathogen is more virulent than previously thought.

Medicine & Health / Medical research

created Jul 13, 2009 | popularity 4.1 / 5 (20) | comments 3

Clear link between solar activity and winter weather revealed

Scientists have demonstrated a clear link between the 11-year sun cycle and winter weather over the northern hemisphere for the first time.

Space & Earth / Earth Sciences

created Oct 10, 2011 | popularity 4.5 / 5 (18) | comments 15 | with audio podcast

Start of 2012, March shatter US heat records

(AP) -- It has been so warm in the United States this year, especially in March, that national records were not just broken, they were deep-fried.

Space & Earth / Environment

created Apr 09, 2012 | popularity 4.8 / 5 (17) | comments 151

Atmospheric warming altering ocean salinity

The warming climate is altering the saltiness of the world's oceans, and the computer models scientists have been using to measure the effects are underestimating changes to the global water cycle, a group ...

Space & Earth / Earth Sciences

created Apr 27, 2012 | popularity 3.8 / 5 (21) | comments 67 | with audio podcast