日期：2011-10-30 Worldwide, there are more than 1.5 billion overweight adults, including 400 million who are obese. In Australia, it is estimated more than 50 per cent of women and 60 per cent of men are either overweight or obese. Although restriction of diet often... 阅读全文>>

日期：2011-10-30 With scientific evidence now supporting the age-old wisdom that cranberries（蔓越橘） , whether in sauce or as juice, prevent urinary tract（尿路） infections, people have wondered if there was an element of the berry（浆果） that, if extracted and... 阅读全文>>

日期：2011-10-30 Scientists including those from Queen's University have discovered that taking regular aspirin halves the risk of developing hereditary（遗传的） cancers. Hereditary cancers are those which develop as a result of a gene fault inherited from a parent... 阅读全文>>

日期：2011-10-30 Fat doughnut-shaped dust shrouds that obscure about half of supermassive black holes could be the result of high speed crashes between planets and asteroids（小行星） , according to a new theory from an international team of astronomers. The scienti... 阅读全文>>

日期：2011-10-28 The mere presence of a predator causes enough stress to kill a dragonfly, even when the predator cannot actually get at its prey to eat it, say biologists at the University of Toronto. How prey respond to the fear of being eaten is an important topi... 阅读全文>>

日期：2011-10-28 Publishing in the current issue of The Journal of Biological Chemistry, researchers at Moffitt Cancer Center in Tampa, Fla., have discovered additional mechanisms of Akt activation and suggest a component of that activation mechanism -- inhibitor of... 阅读全文>>

日期：2011-10-28 Researchers have built a map that shows how thousands of proteins in a fruit fly cell communicate with each other. This is the largest and most detailed protein interaction map of a multicellular organism（多生物细胞） , demonstrating how approximat... 阅读全文>>

日期：2011-10-28 People who use over-the-counter thyroid（甲状腺） support'' supplements may be putting their health at risk, according to a study being presented at the annual meeting of the American Thyroid Association. The supplements contain varying amounts of t... 阅读全文>>

日期：2011-10-27 Individuals who practice religion and spirituality report better physical and mental health than those who do not. To better understand this relationship and how spirituality/religion can be used for coping with significant health issues, University... 阅读全文>>

日期：2011-10-27 After a stroke the brain tries to protect itself by blocking all inflammation. However, this also makes the patient highly susceptible to infection which can lead to death. Researchers have now discovered the mechanism behind this response and how t... 阅读全文>>

日期：2011-10-27 Children who have a good relationship with their teacher may be protected from expressing aggression and being the target of aggression at school. That's the key finding in a new study of Canadian first graders that appears in the journal Child Deve... 阅读全文>>

日期：2011-10-27 A new malaria（疟疾） vaccine has been created to target different forms of the disease and help those most at risk. The parasites that cause malaria come in many different forms. This new vaccine works by triggering a range of antibodies to fight t... 阅读全文>>

日期：2011-10-27 Most genes associated with psychiatric illnesses are expressed before birth in the developing human brain, a massive study headed by Yale University researchers discovered. In addition, hundreds of genetic differences were found between males and fe... 阅读全文>>

日期：2011-10-27 Astronomers report in the journal Nature that organic compounds of unexpected complexity exist throughout the Universe. The results suggest that complex organic compounds are not the sole domain of life but can be made naturally by stars. Prof. Sun... 阅读全文>>

日期：2011-10-26 A study published online in the British Medical Journal confirms previous findings that certain oral contraceptive（口服避孕药） pills are more likely to cause serious blood clots (venous thromboembolism -- VTE静脉血栓栓塞 ) than others. The authors... 阅读全文>>

日期：2011-10-26 The Greenland ice sheet can experience extreme melting even when temperatures don't hit record highs, according to a new analysis by Dr. Marco Tedesco, assistant professor in the Department of Earth and Atmospheric Sciences at The City College of Ne... 阅读全文>>

日期：2011-10-26 For years, scientists believed the vast phenotypic（表型的） differences between humans and chimpanzees would be easily explained -- the two species must have significantly different genetic makeups. However, when their genomes were later sequenced,... 阅读全文>>

日期：2011-10-26 Patients with certain genes or specific factors related to use of the anti-clotting drug clopidogrel are more likely to experience a blood clot within a coronary（冠状的） stent shortly after placement, according to a study in the October 26 issue o... 阅读全文>>

日期：2011-10-25 Humans may have undergone a gradual rather than an abrupt（突然的） transition from fishing, hunting and gathering to farming, according to a new study of ancient pottery. Researchers at the University of York and the University of Bradford analysed... 阅读全文>>

日期：2011-10-25 African-Americans with two copies of the APOL1 gene have about a 4 percent lifetime risk of developing a form of kidney disease, according to scientists at the National Institutes of Health. The finding brings scientists closer to understanding why... 阅读全文>>