13-12-12 Professor Tom was going to meet his students on the next day, so he wrote some words on the blackboard which read as follows: Professor Tom will meet the class tomorrow. A student, seeing his chance to display his sense of humor after reading the no...

13-12-12 Flowers need water, said the teacher. Water your flowers every day, or they'll die. One morning Mother saw Marry out in the garden and asked, What are you doing there, Marry? Watering flowers, said Marry. But it is raining now! Oh, it doesn't matter...

13-12-06 Seeds from Moringa oleifera（辣木） trees can be used to purify water. Uppsala University leads a research group which has discovered that seed material can give a more efficient purification process than conventional synthetic materials in use toda...

13-12-06 Reducing the amount of sunlight reaching the planet's surface by geoengineering may not undo climate change after all. Two German researchers used a simple energy balance analysis to explain how Earth's water cycle responds differently to heating by...

13-12-06 Scientists from Rice University and the University of Bremen's Center for Marine Environmental Sciences (MARUM) in Germany have combined cutting-edge experimental techniques and computer simulations to find a new way of predicting how water dissolve...

13-12-05 Long, long ago there lived in Greece a young boy named Narcissus. All day long he tended his sheep on the hills, and drove them from place to place to find the very best pasture. One day he came to a little stream and wanted to drink from it. The wa...

13-11-30 A new animation by NASA scientists illustrates what Mars the fourth planet from the Sun and the second smallest planet in the Solar System may have looked like billions of years ago. 美国航空航天局科学家日前发布了一个新动画短片，推演了火星40亿年前的...

13-11-29 Scientists have recorded and identified one of the most prominent sounds of a warming planet: the sizzle（嘶嘶声） of glacier ice as it melts into the sea. The noise, caused by trapped air bubbles squirting out of the disappearing ice, could provide...

13-11-29 The decrease in snowfall observed in recent years in Canada's subarctic（亚北极的） regions has led to worrisome desiccation（干燥） of the regions' lakes. This is the conclusion arrived at by researchers from Universit Laval, Wilfrid Laurier Univer...

13-11-26 World champion water-skier Sarah Teelow has died following a fall during a high-speed race on Australia's Hawkesbury River. 世界滑水冠军莎拉提露在澳大利亚霍克斯伯里河上进行的一场高速竞赛中跌落身亡。 The 112km race takes place on the Hawkesbury River...