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Posted by admin in Space on 19. Feb, 2010 | No Comments
In the latest Quest
A cosmic perspective: Multi-wavelength astrophysics Astronomers use many different tools to study and explain the wonders of our Universe. Tom Jarrett and Michelle Cluver explain how the electromagnetic spectrum and, through this, multi-wavelength astrophysics is key to understanding our Universe. Our Universe is truly magnificent, becoming ever more
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Posted by admin in Space on 19. Feb, 2010 | No Comments
In the latest Quest
Shedding light on dark matter Claude Carignan shows how South Africa will be at the cutting edge of astrophysics with KAT-7, MeerKAT and the SKA. In the 16th century, Copernicus realised that the Earth is not the centre of the solar system, but rather is in orbit around
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Posted by admin in Space on 19. Feb, 2010 | No Comments
In the latest Quest
The Square Kilometer Array: A path to unveil the unknown Our exploration of the cosmos has answered many questions – but in the process, even more fundamental questions have arisen. Sergio Colafrancesco looks at how the SKA will help to answer these questions. There are some fundamental questions
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Posted by admin in Featured, Space on 19. Feb, 2010 | No Comments
In the latest Quest
‘Seeing’ radio waves How can we ‘see’ radio waves? André Young and David Davidson explain the engineering components for the Square Kilometre Array. The Square Kilometre Array is planned to be the largest radio interferometer array ever built. Needless to say, there is a lot of engineering that
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22
Jul
tagged: carbon dioxide, Climate change, Quest, Quest Interactive, Quest Science magazine, Science magazine, water
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Changing atmosphere affects how much water trees need
Posted by Bridget in Biology, Climate change, Life
Increasing levels of atmospheric carbon dioxide alter how plants use water. Above the forest canopy: looking down at the trees from a Michigan eddy-covariance tower. Spurred by increasing levels of atmospheric carbon dioxide, forests over the last two decades have become dramatically more efficient in how
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22
Jul
tagged: ancestry, polar bears, Quest, Quest Interactive, Quest Science magazine, Science magazine
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Ancestry of polar bears traced to Ireland
Posted by Bridget in Life, Palaeontology
An international team of scientists has discovered that the female ancestor of all living polar bears was a brown bear that lived in the vicinity of present-day Britain and Ireland just prior to the peak of the last ice age – 20 000 to 50 000 years ago.
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22
Jul
tagged: cancer, intestinal flora, Quest, Quest Interactive, Quest Science magazine, Science magazine, white blood cells
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Researchers find link between intestinal bacteria and white blood cell cancer
Posted by Bridget in Biology, Health, Life
Shaun Mason Researchers from UCLA’s Jonsson Comprehensive Cancer Centre have discovered that specific types of bacteria that live in the gut are major contributors to lymphoma, a cancer of the white blood cells. Published online ahead of press in the journal Cancer Research, the study was
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22
Jul
tagged: electric cars, living labs, microchips, Quest, Quest Interactive, Quest Science magazine, Science magazine
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Campus parking lots become ‘living labs’ for electric car research
Posted by Bridget in Physics & Maths, Science in Society, Technology
When we think of a lab, we might imagine scientists in white coats and goggles pouring chemicals into vats or technicians in clean suits putting together microchips. Hear the words ‘living lab,’ and we might imagine researchers viewing tiny creatures under microscopes in a biological sciences research
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22
Jul
tagged: hypersexuality, Quest, Quest Interactive, Quest Science magazine, Science magazine, sex addiction
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Is sexual addiction the real deal?
Posted by Bridget in Health, Science in Society
Mark Wheeler Controversy exists over what some mental health experts call ‘hypersexuality,’ or sexual ‘addiction.’ Namely, is it a mental disorder at all, or something else? It failed to make the cut in the recently updated Diagnostic and Statistical Manual of Mental Disorders, or DSM-5, considered the
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22
Jul
tagged: healthy cities, Quest, Quest Interactive, Quest Science magazine, Science magazine
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How well designed cities keep us healthy
Posted by Bridget in Health, Science in Society, Technology
Elaine Schmidt Ten years ago, the American Journal of Public Health published a special issue, ‘Built Environment and Health,’ that launched a new movement exploring how the physical design of our neighbourhoods influences our health. In a new AJPH article, Dr Richard Jackson, chair of environmental
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