• 气候变化影响了地球水循环系统

    12-05-22 A clear change in salinity(盐度) has been detected in the world's oceans, signalling shifts and an acceleration in the global rainfall and evaporation(蒸发,消失) cycle. In a paper just published in the journal Science, Australian scientists fro...

  • 朝鲜正重建轻水反应堆

    12-05-17 North Korea has resumed work on a light water reactor that could be used to support its nuclear programme after ''months of inactivity'', a United States institute says. 美国一家机构称,安静数月后,朝鲜重新开始建设轻水反应堆,为以后的核计划提供支持...

  • 2012年亚马逊森林火灾不会很严重

    12-05-14 Forests in the Amazon Basin are expected to be less vulnerable to wildfires this year, according to the first forecast from a new fire severity model developed by university and NASA researchers. Fire season across most of the Amazon rain forest typ...

  • 碳纳米“海绵”能吸收海洋漏油

    12-05-11 A carbon nanotube sponge that can soak up(吸收) oil in water with unparalleled(无比的) efficiency has been developed with help from computational simulations performed at the Department of Energy's (DOE's) Oak Ridge National Laboratory. Carbon n...

  • 大豆泡在温水中能释放抗癌物质

    12-05-10 Soybeans soaking in warm water could become a new green source for production of a cancer-fighting substance now manufactured in a complicated and time-consuming industrial process, scientists are reporting in ACS' Journal of Agricultural and Food C...

  • 抽取地下水导致海平面上升

    12-05-10 As people pump groundwater for irrigation, drinking water, and industrial uses, the water doesn't just seep(渗) back into the ground -- it also evaporates(蒸发) into the atmosphere, or runs off into rivers and canals, eventually emptying into(...

  • 火山爆发为火星早期水研究提供线索

    12-05-07 The atmosphere of Mars is less than 1 percent the density of Earth's. It's one of the reasons liquid water covers much of our planet but cannot exist on the Red Planet. As more research points toward the possibility of water on early Mars, scientist...

  • 致命壶菌威胁蛙类健康

    12-04-26 The fungal infection that has killed a record number of amphibians worldwide leads to deadly dehydration(脱水) in frogs in the wild, according to a new study by University of California, Berkeley and San Francisco State University researchers. Hig...

  • 阳光与酸橙汁即可净化水质

    12-04-18 Looking for an inexpensive and effective way to quickly improve the quality of your drinking water? According to a team of researchers from the Johns Hopkins Bloomberg School of Public Health and the Johns Hopkins School of Medicine, sunlight and a...

  • 《雷锋日记》五

    12-04-14 在我们前进的道路上,不可能不遇到一些暂时的困难,这些困难的实质,纸老虎 而已。 问题是我们见虎而逃呢,还是遇虎而打? 哪儿有困难就到哪儿去,不但遇虎而打,而且进一步找虎而打,这是崇高的共产主义风格。 On the path of moving forward, it is impossible to av...