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By sade on November 15th, 2009
Penguins that died 44,000 years ago in Antarctica have provided extraordinary frozen DNA samples that challenge the accuracy of traditional genetic aging measurements, and suggest those approaches have been routinely underestimating the age...
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Scientists may not be able to tell a good book by its cover, but they now can tell the condition of an old book by its odor. var addthis_pub = 'zinderud'; var addthis_language = 'en';var addthis_options = 'email, favorites, digg, delicious, myspace, google, facebook, reddit, live, more'; ...
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Most children actively notice and think about race. A new study has found that children develop an awareness about racial stereotypes early, and that those biases can be damaging. The study, by researchers at Rush University and Yale University, appears in the November/December 2009 issue of the journal Child Development. This study looked at more than 120 elementary school children from an ethnic...
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Engineers at the University of Leeds have developed a simple technology which can be used in existing chemical reactors to ensure "right first time" drug crystal formation. var addthis_pub = 'zinderud'; var addthis_language = 'en';var addthis_options = 'email, favorites, digg, delicious, myspace, google, facebook, reddit, live, more'; ...
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Researchers at Uppsala University, in collaboration with colleagues in Sweden and abroad, have identified an entirely new mechanism by which a specific protein in the body inhibits formation of new blood vessels. Inhibiting the formation of new blood vessels is an important aspect of, for example, cancer treatment. The study is published in the November issue of the journal Molecular Cancer Resear...
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New software is under development that doctors hope will help them identify brain tumours in children that will grow aggressively. Some brain tumours in children remain benign and doctors choose not to operate. But a small percentage of those will suddenly start to grow aggressively. Doctors have not identified what triggers that aggressive tumour growth, despite the vast array of data they hold o...
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New Mayo Clinic research studied the association between prostate-specific antigen (PSA) levels and prostate size and found that routine annual evaluation of prostate growth is not necessarily a predictor for the development of prostate cancer. However the study suggests that if a man`s PSA level is rising quickly, a prostate biopsy is reasonable to determine if he has prostate cancer. These findi...
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Sunspots, which rotate around the sun`s surface, tell us a great deal about our own planet. Scientists rely on them, for instance, to measure the sun`s rotation or to prepare long-range forecasts of Earth`s health. var addthis_pub = 'zinderud'; var addthis_language = 'en';var addthis_options = 'email, favorites, digg, delicious, myspace, google, facebook, reddit, live, more'; ...
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The argument that the moon is a dry, desolate place no longer holds water. Secrets the moon has been holding, for perhaps billions of years, are now being revealed to the delight of scientists and space enthusiasts alike. NASA has opened a new chapter in our understanding of the moon. Preliminary data from the Lunar CRater Observation and Sensing Satellite, or LCROSS, indicates that the mission su...
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Scientists at the University of Adelaide have made a breakthrough that could change the world`s thinking on what light is capable of. var addthis_pub = 'zinderud'; var addthis_language = 'en';var addthis_options = 'email, favorites, digg, delicious, myspace, google, facebook, reddit, live, more'; ...
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A new study carried out at the University of Haifa has found that the hormone oxytocin, the "love hormone," which affects behaviors such as trust, empathy and generosity, also affects opposite behaviors, such as jealousy and gloating. "Subsequent to these findings, we assume that the hormone is an overall trigger for social sentiments: when the person`s association is positive, oxyt...
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