文章列表

• 1.北极熊产仔率与海冰融化时间相关
• University of Alberta researchers Pter Molnr, Andrew Derocher and Mark Lewis studied the reproductive ecology（生态学） of polar bears in Hudson Bay a...
• 2.bcl3基因可保护肺部免受损伤
• Lung injury is a common cause of death among patients with pneumonia, sepsis（败血症） or trauma and in those who have had lung transplants. The damag...
• 3.睡眠不足可能引发结肠癌
• An inadequate（不充分的） amount of sleep has been associated with higher risks of obesity, heart disease, diabetes, and death. Now colon cancer can b...
• 4.贫穷会削弱儿童的遗传性潜能
• Children from poorer families do worse in school, are less likely to graduate from high school, and are less likely to go to college. A new study publ...
• 5.蚂蚁是生态系统“工程师”
• Research by the University of Exeter has revealed that ants have a big impact on their local environment as a result of their activity as 'ecosystem e...
• 6.塞伦盖蒂平原修筑公路将阻碍动物迁徙
• Building a highway through Serengeti National Park may devastate one of the world's last large-scale herd migrations and the region's ecosystem, accor...
• 7.美国发现新种恐龙化石 可能为三角龙祖先
• New Haven, Conn. Triceratops（三角恐龙） and Torosaurus（牛角龙） have long been considered the kings of the horned dinosaurs. But a new discovery tra...
• 8.某些植物可改变基因以适应环境
• A Purdue University scientist has found genetic evidence of how some plants adapt to live in unfavorable（不宜的） conditions, a finding he believes c...
• 9.细菌可以改变自身基因以适应环境
• Scientists at the Institut Pasteur and the University of Maryland have revealed how bacterial and archaea（古生菌） microbes successfully evolve their...
• 10.新方法手术切除咽喉肿瘤修复气管功能
• Using a novel surgical approach, it's possible to rebuild the trachea（气管） and preserve a patient's voice after removing an invasive throat tumor, ...