News tagged with hemisphere
A new species of bamboo-feeding plant lice found in Costa Rica
Several periods of field work during 2008 have led to the discovery of a new species of bamboo-feeding plant lice in Costa Rica's high-altitude region "Cerro de la Muerte". The discovery was made thanks to ...
Feb 06, 2012 |
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Food crops damaged by pollution crossing continents
(PhysOrg.com) -- Man-made air pollution from North America causes Europe to lose 1.2 million tonnes of wheat a year, a new study has found.
Jan 30, 2012 |
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Evidence of past Southern hemisphere rainfall cycles related to Antarctic temperatures
Geoscientists at the University of Massachusetts Amherst and the University of Minnesota this week published the first evidence that warm-cold climate oscillations well known in the Northern Hemisphere over ...
Space & Earth / Earth Sciences
Jan 17, 2012 |
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German scientists launch quest to remote Tristan da Cunha
A team of German scientists on Tuesday launched an expedition to the remote British archipelago of Tristan da Cunha, in a bid to uncover secrets linked to the ancient supercontinent Gondwana.
Space & Earth / Earth Sciences
Jan 17, 2012 |
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Why does Sirius twinkle?
At this time of year, after dark we in the northern hemisphere are able to see the mighty constellation of Orion rise high in the sky with a very bright companion in a nearby constellation: Sirius – The ...
Jan 17, 2012 |
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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
Jan 12, 2012 |
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Largest bird alters its foraging due to climate change
Paris/ Leipzig. Wandering albatrosses have altered their foraging due to changes in wind fields in the southern hemisphere during the last decades. Since winds have increased in intensity and moved to the ...
Jan 12, 2012 |
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Loss of planetary tilt could doom alien life
Although winter now grips much of the Northern Hemisphere, those who dislike the cold weather can rest assured that warmer months shall return. This familiar pattern of spring, summer, fall and winter does ...
Jan 12, 2012 |
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Swine flu strain that is resistant to Tamiflu is spreading more easily
The flu season is still young in the United States and the rest of the Northern Hemisphere, but Australia wrapped up its flu season months ago, and public health officials there have some disturbing news to report: The version ...
Dec 29, 2011 |
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2012: Shadow of the Dark Rift
(PhysOrg.com) -- One of the most bizarre theories about 2012 has built up with very little attention to facts. This idea holds that a cosmic alignment of the sun, Earth, the center of our galaxy -- or perhaps ...
Dec 22, 2011 |
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Researchers assess effects of a world awash in nitrogen
Humans are having an effect on Earth's ecosystems but it's not just the depletion of resources and the warming of the planet we are causing. Now you can add an over-abundance of nitrogen as another "footprint" humans are ...
Dec 15, 2011 |
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Nitrogen from humans pollutes remote lakes for more than a century
Nitrogen derived from human activities has polluted lakes throughout the Northern Hemisphere for more than a century and the fingerprint of these changes is evident even in remote lakes located thousands of ...
Dec 15, 2011 |
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Portraits of moons captured by Cassini
(PhysOrg.com) -- NASA's Cassini spacecraft successfully completed its closest-ever pass over Saturn's moon Dione on Monday, Dec. 12, slaloming its way through the Saturn system on its way to tomorrow's close ...
Space & Earth / Space Exploration
Dec 13, 2011 |
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Global winds could explain record rains, tornadoes
Two talks at a scientific conference this week will propose a common root for an enormous deluge in western Tennessee in May 2010, and a historic outbreak of tornadoes centered on Alabama in April 2011.
Space & Earth / Earth Sciences
Dec 05, 2011 |
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Marine predators in trouble: researchers
Iconic marine predators such as sharks, tunas, swordfish, and marlins are becoming increasingly rare under current fishing trends, say University of British Columbia researchers.
Dec 05, 2011 |
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