• 享受过程的乐趣

    12-05-24 If you have ever been discouraged because of failure, please read on. For often, achieving what you set out to do is not the important thing. Let me explain. Two brothers decided to dig a deep hole behind their house. As they were working, a couple...

  • I Don't Like an Argument 我不想争论

    12-05-15 Gerald, asked the teacher, what is the shape of the earth? It's round, answered Gerald. How do you know it's round? continued the teacher. All right, it's square then, he replied, I really don't feel like getting into an argument about it! 杰拉尔德...

  • 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...

  • 地球的历史与进化

    12-05-04 In classical mythology(神话) , the cypress(柏树) tree is associated with death, the underworld and eternity. Indeed, the family to which cypresses belong, is an ancient lineage of conifers(松柏类) , and a new study of their evolution affords a...

  • 美公司试图登陆小行星开矿

    12-04-28 Google Inc executives Larry Page and Eric Schmidt and filmmaker James Cameron are among those bankrolling a venture to survey and eventually extract precious metals and rare minerals from asteroids that orbit near Earth, the company said on Tuesday....

  • 天文学家发现两颗120亿年的白矮星

    12-04-12 A University of Oklahoma assistant professor and colleagues have identified two white dwarf stars considered the oldest and closest known to man. Astronomers identified these 11- to 12-billion-year-old white dwarf stars only 100 light years away fro...

  • 人类起源于东非大裂谷

    12-03-27 The huge changes in Earth's crust that influenced human evolution are being redefined, according to research published March 26 in Nature Geoscience. The Great Rift Valley of East Africa -- the birthplace of the human species -- may have taken much...

  • 马里亚纳海沟地震活动勘测

    12-03-23 Last month, Doug Wiens, PhD, professor of earth and planetary science at Washington University in St. Louis, and two WUSTL students were cruising the tropical waters of the western Pacific above the Mariana trench aboard the research vessel Thomas G...

  • 关于地幔的新发现

    12-03-23 Scientists have long speculated about why there is a large change in the strength of rocks that lie at the boundary between two layers immediately under Earth's crust: the lithosphere(岩石圈) and underlying asthenosphere. Understanding this bounda...

  • 一股强太阳风暴将袭击地球

    12-03-08 A strong solar storm is expected to hit Earth shortly, and experts warn it could disrupt power grids, satellite navigations systems and plane routes. 一股强烈的太阳风暴不久将侵袭地球,专家警告这会影响到电网、卫星导航系统和航班路线。 The storm - the...