日期:2010-12-28 An expert working group of the International Osteoporosis Foundation (IOF) and the International Federation of Clinical Chemistry and Laboratory Medicine (IFCC) has released a new position paper(意见书) which reviews the evidence of bone turnover... 阅读全文>>

日期:2010-12-28 Just as raging hormones are part of the process of a child's maturation through the teen years to adulthood, juvenile hormones, a group of insect isoprenoids(类异戊二烯) , play an important role as butterflies, fruit flies and mosquitoes transform... 阅读全文>>

日期:2010-12-28 Most galaxies in the universe, including our own Milky Way, harbor super-massive black holes varying in mass from about one million to about 10 billion times the size of our sun. To find them, astronomers look for the enormous amount of radiation em... 阅读全文>>

日期:2010-12-27 Six years after the tsunami disaster of 26/12/2004, the set-up of the German-Indonesian Tsunami Early Warning System for the Indian Ocean (GITEWS) has been completed. The project ends on 31 March 2011. After that, Indonesia accepts the sole responsi... 阅读全文>>

日期:2010-12-27 A study was carried out to examine the extent to which quercetin(槲皮黄酮) and trans-resveratrol (RSV) prevented inflammation or insulin resistance in primary cultures of human adipocytes(脂肪细胞) treated with tumor necrosis(坏死,坏疽) facto... 阅读全文>>

日期:2010-12-27 Researchers at Oregon State University have helped sequence the genome of a wild strawberry, laying the groundwork(基础,地基) for genetic improvements to related fruits like apples, peaches and pears. The advance was published today in the journa... 阅读全文>>

日期:2010-12-24 A compound which acts in the opposite way as growth hormone can reverse(颠倒) some of the signs of aging, a research team that includes a Saint Louis University physician has shown. The finding may be counter-intuitive to some older adults who tak... 阅读全文>>

日期:2010-12-24 Specially designed probiotics(益生菌) can modulate the physiology(生理学) of host fat cells say scientists writing in Microbiology. The findings could lead to specialised probiotics that have a role in the prevention or treatment of conditions s... 阅读全文>>

日期:2010-12-24 A new study at the University of Haifa reveals: Emotional intelligence empowers positive attitudes and weakens negative behavior in the private sector; but does not have the same effect in the public sector. The results of this study emphasize the e... 阅读全文>>

日期:2010-12-24 Use of electronic health records by hospitals across the United States has had only a limited effect on improving the quality of medical care, according to a new RAND Corporation study. Studying a wide mix of hospitals nationally, researchers found... 阅读全文>>

日期:2010-12-24 Melanoma(黑素瘤) is one of the least common types of skin cancer, but it is also the most deadly. Melanocytes(生黑色素细胞) (pigment-producing skin cells) lose the genetic regulatory mechanisms that normally limit their number, allowing them to... 阅读全文>>

日期:2010-12-24 Scientists from the Kavli Institute of Nanoscience at Delft University of Technology and Eindhoven University of Technology in The Netherlands have succeeded in controlling the building blocks of a future super-fast quantum(量子) computer. They ar... 阅读全文>>

日期:2010-12-24 Researchers at the University of Exeter have developed a new approach to studying potentially deadly disease-causing bacteria which could help speed up the process of finding vaccines. Dr Andrea Dowling, from the Centre for Ecology and Conservation... 阅读全文>>

日期:2010-12-24 The cell signaling pathway known as Wnt, commonly activated in cancers, causes internal membranes(内膜) within a healthy cell to imprison(监禁,关押) an enzyme that is vital in degrading proteins, preventing the enzyme from doing its job and aff... 阅读全文>>

日期:2010-12-23 Overexpression or hyperactivation of ErbB cell-surface receptors drives the growth of many breast cancers. Drugs, like Herceptin, that block the receptors' signals halt tumor progression in some patients. However, not all patients' tumors respond, w... 阅读全文>>

日期:2010-12-23 Australian scientists have discovered that changes to a gene involved in brain development can lead to testis(睾丸) formation and male genitalia(外生殖器) in an otherwise female embryo. Lead Melbourne researcher Professor Andrew Sinclair, of the... 阅读全文>>

日期:2010-12-23 Complementary medicines (CAM) can be dangerous for children and can even prove fatal, if substituted for conventional(传统的,常见的) medicine, indicates an audit of kids' CAM treatment published online in the Archives of Disease in Childhood. But... 阅读全文>>

日期:2010-12-23 Trinitramid that's the name of the new molecule that may be a component in future rocket fuel. This fuel could be 20-30 percent more efficient in comparison with the best rocket fuels we have today. The discovery was made at the Royal Institute of T... 阅读全文>>

日期:2010-12-23 A class of drugs thought to kill cancer cells may in fact block cross talk between the cancer cell and normal immune cells, resulting in reduced cancer growth and spreada discovery that could significantly alter the way cancer drugs are evaluated in... 阅读全文>>

日期:2010-12-23 A major new fossil site in south-west China has filled in a sizeable gap in our understanding of how life on this planet recovered from the greatest mass extinction of all time, according to a paper co-authored by Professor Mike Benton, in the Schoo... 阅读全文>>

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