文章列表

• 1.科学家发现可控制细胞生长的蛋白质
• A protein known for turning on genes to help cells survive low-oxygen conditions also slows down the copying of new DNA strands, thus shutting down th...
• 2.我们对甲壳虫的种类知之甚少
• The tropics（热带地区） are home to an extraordinary diversity of insect species. How great is it, exactly? We do not know, but today, researchers at ...
• 3.进化是可以预见的
• Understanding how and why diversification（多样化，变化） occurs is important for understanding why there are so many species on Earth. In a new study...
• 4.水中合成的分子可能是生命的起源
• The base pairs that hold together two pieces of RNA, the older cousin of DNA, are some of the most important molecular interactions in living cells. M...
• 5.饮食中的抗氧化剂不能减少中风几率
• Contrary to other research, a new study found that the total level of antioxidants in people's diets is not related to their risk of developing stroke...
• 6.有机西红柿含更多维生素C与糖类
• Tomatoes grown on organic farms accumulate higher concentrations of sugars, vitamin C and compounds associated with oxidative stress compared to those...
• 7.短时间内蚊子能忍受避蚊胺的气味
• Mosquitoes are able to ignore the smell of the insect repellent（杀虫剂） DEET within a few hours of being exposed to it, according to research publis...
• 8.土地对保持生态环境健康有重要作用
• While many people recognize that clean water and air are signs of a healthy ecosystem, most do not realize that a critical part of the environment is ...
• 9.斯坦福科学家发现去除CO2新技术
• In his Feb. 12 State of the Union address, President Obama singled out climate change as a top priority for his second administration. We can choose t...
• 10.专家称转基因食品对健康无影响
• It has been almost 20 years since the first genetically modified foods showed up in produce aisles throughout the United States and the rest of the wo...