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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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29
Apr
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tagged: Cassini-Huygens, NASA, Quest, Quest Interactive, Quest Science magazine, Saturn, Science magazineNo Comments
NASA probe observes meteors colliding with Saturn’s rings
NASA’s Cassini spacecraft has provided the first direct evidence of small meteoroids breaking into streams of rubble and crashing into Saturn’s rings. These observations make Saturn’s rings the only location besides Earth, the moon, and Jupiter where scientists and amateur astronomers have been able to observe impacts
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29
Apr
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tagged: aye-ayes, genome, genome sequencing, Quest, Quest Interactive, Quest Science magazine, Science magazineNo Comments
Endangered lemurs’ genomes sequenced
Posted by Bridget in Biology, Genetics, Life
Three populations of aye-ayes on Madagascar studied. For the first time, the complete genomes of three populations of aye-ayes – a type of lemur – have been sequenced and analysed. The results of the genome-sequence analyses are published this week in the journal Proceedings of the
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29
Apr
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tagged: carnivorous plants, Earth Day, Quest, Quest Interactive, Quest Science magazine, Science magazineNo Comments
Earth Day: Big ecosystem changes viewed through the lens of tiny carnivorous plants
Posted by Bridget in Biology, Life
In one drop of water are found all the secrets of all the oceans: Kahlil Gibran What do a pond or a lake and a carnivorous pitcher plant have in common? The water-filled pool within a pitcher plant, it turns out, is a tiny ecosystem whose
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29
Apr
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tagged: lithium-sulphur batteries, Quest, Quest Interactive, Quest Science magazine, Science magazineNo Comments
A longer life for lithium-sulphur batteries
Posted by Bridget in Physics & Maths, Technology
Electric cars have still got it tough in the German marketplace. They are too expensive and their range is too short. This is an opportune time for a breakthrough in efficient and low-cost lithium-sulphur batteries. There are currently over 40 million cars on Germany’s roads. Only a
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29
Apr
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tagged: impaired hearing, Quest, Quest Interactive, Quest Science magazine, Science magazineNo Comments
Regaining proper hearing at last
Posted by Bridget in Health, Science in Society, Technology
Around 17 million people in Germany suffer from impaired hearing. For many of them, their hearing is so damaged that a standard hearing aid is no longer enough. A new device will improve patients’ hearing and can be implanted during outpatient surgery. ‘Sorry? I didn’t catch that.
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29
Apr
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tagged: Quest, Quest Interactive, Quest Science magazine, Science magazine, UV exposure, UV lightNo Comments
Continuous monitoring of UV exposure
Posted by Bridget in Physics & Maths, Science in Society, Technology
UV lamps are used to cure coatings and adhesives in many industrial manufacturing processes. In addition, special sensors are used to measure the intensity of the UV light applied to these surfaces. However, because these sensors age too quickly, they can only be used to record intermittent measurements.
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