• 周末两天睡眠的坏习惯

    16-11-02 Youre sleeping too much Is there such a thing as too much sleep? It seems so. According to sleep experts at Swedens Katolinska Insitute having an irregular sleep schedule confuses our natural cycle. Sleeping in really late, taking long naps, or ones...

  • 意大利某镇居民骑车上班可获补贴

    15-11-29 An Italian town will pay people hundreds of euros per year if they cycle to work instead of using their cars. 意大利一小镇鼓励居民骑车上班,不开车。这样的居民每年可获几百欧元补贴。 The council in Massarosa, just north of Pisa, says the pilot scheme...

  • 太阳上也有季节变化

    15-04-08 The Sun undergoes a type of seasonal variability with its activity waxing and waning over the course of nearly two years, according to a new study by a team of researchers led by the National Center for Atmospheric Research (NCAR). This behavior aff...

  • 北半球碳循环因季节而改变

    14-11-25 Each year in the Northern Hemisphere, levels of atmospheric carbon dioxide drop in the summer as plants inhale, then climb again as they exhale after the growing season. During the last 50 years, the size of this seasonal swing has increased by as m...

  • 科学家发现测定太阳活动周期的新线索

    14-09-04 Approximately every 11 years, the sun undergoes a complete personality change from quiet and calm to violently active. The height of the sun's activity, known as solar maximum, is a time of numerous sunspots, punctuated with profound eruptions that...

  • 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...

  • 太阳活动周期与表面环流有关

    10-08-13 A new analysis of the unusually long solar cycle that ended in 2008 suggests that one reason for the long cycle could be a stretching of the Sun's conveyor belt, a current of plasma(等离子体,血浆) that circulates(传播,循环) between the Sun's e...

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