Tag: swine flu
Influenza A, subtype H1N1
by Greg on May.03, 2009, under Science Life Musing
The flu H1N1 has actually made me sick without even infecting me. The news has been using the word pandemic to discuss the possible conclusion of this current disease drama, when instead they should be using the term “panicdemic”, the over-reaction of the people stimulated by breathless media coverage.
Today in Science History March 24th
by Greg on Mar.24, 2009, under Science Life History
The first event courtesy of Todayinsci.com is an interesting reminder of the possible dangers of policy formed by incorrect science. I am very curious how the researchers made such extreme claims during a time period devoid of such basic molecular biological tools like electrophoretic sequencing gels (1977) and PCR (1984): (continue reading…)
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Nasa's Image of the Day
Little Galaxy With a Tail
This infrared portrait of the Small Magellanic Cloud, taken by NASA's Spitzer Space Telescope, reveals stars and dust in this galaxy as never seen before. T The image shows the main body of the Small Magellanic Cloud, which is comprised of the "bar" and "wing" on the left and the "tail" extending to the right. The bar contains both old stars (in blue) and young stars lighting up their natal dust (green/red). The wing mainly contains young stars. The tail contains only gas, dust and newly formed stars. Spitzer data has confirmed that the tail region was recently torn off the main body of the galaxy. Two of the tail clusters, which are still embedded in their birth clouds, can be seen as red dots. The data in this image are being used by astronomers to study the lifecycle of dust in the entire galaxy: from the formation in stellar atmospheres, to the reservoir containing the present day interstellar medium, and the dust consumed in forming new stars. The dust being formed in old, evolved stars (blue stars with a red tinge) is measured using mid-infrared wavelengths. The present day interstellar dust is weighed by measuring the intensity and color of emission at longer infrared wavelengths. The rate at which the raw material is being consumed is determined by studying ionized gas regions and the younger stars (yellow/red extended regions). The Small Magellanic Cloud, and its companion galaxy the Large Magellanic Cloud, are the two galaxies where this type of study is possible. Image Credit: NASA/JPL-Caltech/STScI
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