文章列表

• 1.南极洲西部冰原温度迅速上升
• In a discovery that raises further concerns about the future contribution of Antarctica to sea level rise, a new study finds that the western part of ...
• 2.细菌使我们感到饥饿？
• Over the last half decade, it has become increasingly clear that the normal gastrointestinal（胃肠的） (GI) bacteria play a variety of very important ...
• 3.蜥蜴尾巴中的玄机
• Like sheets of paper marked with perforated（穿孔的） lines, gecko（壁虎） tails have unique structural marks that help them sever their tails to make...
• 4.匈牙利首次发现淡水沧龙化石
• A new mosasaur species discovered in Hungary is the first known example of this group of scaled reptiles（爬行动物） to have lived in freshwater river...
• 5.拳头是发泄愤怒的工具
• Men whacked（重击） punching bags for a University of Utah study that suggests human hands evolved not only for the manual dexterity（手灵巧度） neede...
• 6.Learn how the body reacts to stress
• Regardless of the cause, stress sets in motion certain automatic changes in the body that are designed to give it a quick burst of energy. The pattern...
• 7.Cells and Temperature
• Cells cannot remain alive outside certain limits of temperature and much narrower limits mark the boundaries of effective functioning. Enzyme systems ...
• 8.Danger from Home
• Most people are aware that outdoor air pollution can damage their health, but many do not know that indoor air pollution can also have significant hea...
• 9.新的细胞分裂形式被发现
• Researchers at the University of Wisconsin Carbone Cancer Center have discovered a new form of cell division in human cells. They believe it serves as...
• 10.农田土壤决定磷的环境命运
• Just 20 years ago, the soils of the Amazon basin were thought unsuitable for large-scale agriculture, but then industrial agriculture -- and the abili...