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Posted by admin in Biology, Life, Science in Society, Technology on 19. Feb, 2010 | No Comments
In the latest Quest
Our changing oceans The world’s oceans are undergoing significant changes – seen in indicators such as temperature and salinity. Isabelle Ansorge and Mike Roberts explain how South Africa is involved in investigations of these changes. The meridional overturning circulation (MOC) is a system of surface and deep
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Posted by admin in Biology, Featured, Life, Science in Society, Technology on 19. Feb, 2010 | No Comments
In the latest Quest
Robots in the ocean Why do we need a global ocean observing system? by Thomas Mtsonti and Isabelle Ansorge In the past three decades, discussions of global warming have been restricted mainly to academic debates. Now, however, the same topics provide fuel for public debate and mounting pressure for increasing
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Posted by admin in Biology, Featured, Life, Science in Society on 19. Feb, 2010 | No Comments
In the latest Quest
High in the food chain – seals in the Southern Ocean The Marion Island seal populations have been studied for the last 30 years. Cheryl Tosh and Marthán Bester describe their field research. Deep in the Southern Ocean, Marion Island is a platform for breeding seals and seabirds
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Posted by admin in Biology, Environment, Featured, Life, Science in Society on 19. Feb, 2010 | No Comments
In the latest Quest
Invasive aliens in Antarctica Even the remote Antarctic continent and its sub-Antarctic islands and seas are troubled by invasive alien species. By Anne M Treasure The introduction of invasive alien species has been recognised as a major threat to biodiversity and ecosystems and the resulting effects have been
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20
May
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Springtime in the Bay of Biscay
Springtime in the Bay of Biscay, off the coast of France, as in most places, is a season of abundant growth. On April 20, 2013, the Moderate Resolution Imaging Spectroradiometer (MODIS) aboard NASA’s Aqua satellite captured this true-colour image of the dynamic growth of a springtime phytoplankton bloom.
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20
May
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tagged: black hole, galaxy, NASA, Quest, Quest Interactive, Quest Science magazine, Science magazineNo Comments
Black hole-powered jets plough into galaxy
The multi-wavelength view accompanying this article shows 4C+29.30, a galaxy located some 850 million light years from Earth. The radio emission comes from two jets of particles that are speeding at millions of kilometres per hour away from a supermassive black hole at the centre of the
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20
May
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tagged: apes, old-world monkeys, primates, Quest, Quest Interactive, Quest Science magazine, Science magazineNo Comments
Scientists discover oldest evidence of split between old world monkeys and apes
Posted by Bridget in Life, Palaeontology
Primate fossils are 25 million years old Two fossil discoveries from the East African Rift reveal new information about the evolution of primates, according to a paper published this week in the journal Nature. Findings by scientists at Ohio University’s (OU) Heritage College of Osteopathic Medicine
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20
May
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tagged: banded mongoose, leptospirosis, Quest, Quest Interactive, Quest Science magazine, Science magazineNo Comments
Human disease leptospirosis identified in new species, the banded mongoose, in Africa
Posted by Bridget in Biology, Health, Life
Scientists find widespread but neglected disease is significant health threat in Botswana The newest public health threat in Africa, scientists have found, is coming from a previously unknown source: the banded mongoose. The disease is called Leptospirosis and the banded mongoose carries it. Leptospirosis is
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20
May
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Set in the right light
Posted by Bridget in Physics & Maths, Science in Society, Technology
Lighting plays a big role at events presenting new products, on television shows, and at concerts. Mobilight, a portable and wireless system, offers a wide range of options. Moreover, researchers have now made it even better. There’s a lot of truth to the expression ‘in the right
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20
May
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tagged: credit card fraud, Quest, Quest Interactive, Quest Science magazine, Science magazineNo Comments
Credit card fraudsters quickly exposed
Posted by Bridget in Physics & Maths, Science in Society, Technology
Most people feel safe from fraudsters if their credit card is safely tucked away in their wallet. However, they shouldn‘t: in most cases, thieves only need card numbers and information. A new software can provide more effective protection against credit card theft. A look at your account
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