日期：2011-11-15 Researchers at the University of California, San Diego School of Medicine and the UC San Diego Moores Cancer Center have identified a new drug discovery approach enabling the destruction of the most highly proliferative（增殖的） tumors. The discove... 阅读全文>>

日期：2011-11-15 In a finding that confirms what many obstetricians（产科医师） and gynecologists（妇科医生） suspected, Duke University researchers report that younger women who undergo hysterectomies（子宫切除） face a nearly two-fold increased risk for developing... 阅读全文>>

日期：2011-11-15 Sonar and ultrasound, which use sound as a navigational device and to paint accurate pictures of an environment, are the basis of countless technologies, including medical ultrasound machines and submarine navigation systems. But when it comes to mo... 阅读全文>>

日期：2011-11-15 In the last three decades, thousands of women with breast cancer have taken the drug tamoxifen（三苯氧胺） , only to discover that the therapy doesn't work, either because their tumors do not respond to the treatment at all, or because they develop... 阅读全文>>

日期：2011-11-15 Clinical benefit from use of a novel histone（组蛋白） deacetylase（脱乙酰酶） inhibitor drug may be determined by examining blood cells days after a patient receives treatment. The drug, entinostat, is the first histone deacetylase inhibitor succes... 阅读全文>>

日期：2011-11-15 World citizen number 7 billion is less likely to die from infectious diseases like measles（麻疹） or even AIDS, and more likely to contract diabetes or other non-communicable diseases (NCDs), as they are now the leading causes of deaths globally. 1... 阅读全文>>

日期：2011-11-15 A new University of Minnesota study reveals that treated municipal（市政的） wastewater -- even wastewater treated by the highest-quality treatment technology -- can result in significant quantities of antibiotic-resistant bacteria, often referred t... 阅读全文>>

日期：2011-11-15 Increases in air pollution and other particulate matter in the atmosphere can strongly affect cloud development in ways that reduce precipitation（沉淀，冰雹） in dry regions or seasons, while increasing rain, snowfall and the intensity of severe st... 阅读全文>>

日期：2011-11-15 A team of researchers led by the University of Colorado Boulder has discovered the first prehistoric（史前的） bronze artifact（手工艺品） made from a cast ever found in Alaska, a small, buckle-like object found in an ancient Eskimo dwelling and whi... 阅读全文>>

日期：2011-11-13 Just as an expert chess player sacrifices a piece to protect the queen, the solar system may have given up a giant planet and spared Earth, according to an article recently published in The Astrophysical Journal Letters. We have all sorts of clues a... 阅读全文>>

日期：2011-11-13 The negative effects of depression in young people on the health of their hearts may be stronger than previously recognized. Depression or a history of suicide attempts in people younger than 40, especially young women, markedly increases their risk... 阅读全文>>

日期：2011-11-13 Given a legitimate（合法的，正当的） need to protect Earth from the most intense forms of space weather -- great bursts of electromagnetic energy and particles that can sometimes stream from the sun -- some people worry that a gigantic killer solar... 阅读全文>>

日期：2011-11-11 As a fetus grows, it's constantly getting messages from its mother. It's not just hearing her heartbeat and whatever music she might play to her belly; it also gets chemical signals through the placenta（胎盘） . A new study, which will be published... 阅读全文>>

日期：2011-11-11 Humans play a far greater role in the fate of African elephants than habitat, and human conflict in particular has a devastating impact on these largest terrestrial（陆地的） animals, according to a new University of British Columbia study published... 阅读全文>>

日期：2011-11-11 Two new studies led by University of California, Berkeley, researchers spotlight the human health effects of exposure to smoke from open fires and dirty cookstoves, the primary source of cooking and heating for 43 percent, or some 3 billion members,... 阅读全文>>

日期：2011-11-11 For the first time, astronomers have found pristine（原始的） clouds of the primordial gas that formed in the first few minutes after the Big Bang. The composition of the gas matches theoretical predictions, providing direct evidence in support of t... 阅读全文>>

日期：2011-11-08 In patients with a devastating form of vasculitis（血管炎） who are in remission（缓解，宽恕） , stress can be associated with a greater likelihood of the disease flaring, according to a new study by investigators at Hospital for Special Surgery (HS... 阅读全文>>

日期：2011-11-08 Knowledge about the development of the nervous system is of the greatest importance for us to understand the function of the brain and brain disorders. Researchers at Uppsala University have examined the key step when genes are read and found that g... 阅读全文>>

日期：2011-11-08 Health professionals and researchers across the globe believe they are on the verge of eradicating polio（小儿麻痹症） , a devastating virus which can lead to paralysis and death. Despite successful eradication in most countries, there are still fou... 阅读全文>>

日期：2011-11-08 After men become fathers for the first time, they show significant decreases in crime, tobacco and alcohol use, according to a new, 19-year study. Researchers assessed more than 200 at-risk boys annually from the age of 12 to 31, and examined how me... 阅读全文>>