11-11-18 Extinct animals hide their secrets well, but an exceptionally well-preserved fossil of an aquatic（水生的） reptile（爬行动物） , with traces of soft tissue present, is providing scientists a new window into the behavior of these ancient swimmers. A...

11-11-17 Once, late at night, an Englishman came out of his room into the corridor（走廊） of a hotel and asked the servant to bring him a glass of water. The servant did as he was asked. The Englishman re-entered his room, but a few minutes later he came in...

11-11-16 River Crossing Brian Henry There, where stones populate the underneath, splay（张开，展开） rain as it blends stops being rain, raises the river, water into water, stone into soil, too slick to stand or walk, too wide to freeze or span, to cross you...

11-11-11 The General Assembly designated the first World Water Day in 1993, and on March 22 every year since, the focus has been on a different aspect of freshwater sustainability, including sanitation and water scarcity . 联合国大会在1993年确定了首个世界水...

11-08-23 Astronomers at the California Institute of Technology (Caltech) have discovered that the dwarf planet 2007 OR10 -- nicknamed Snow White -- is an icy world, with about half its surface covered in water ice that once flowed from ancient, slush-spewing...

11-08-18 Brown: I'm sorry to see you so unwell. Have you seen the doctor? Jack: Yes. I'm having three baths a day. Brown: What for? Jack: Don't know, doctor's orders. He gave me some medicine and told me to follow the directions on the bottle, which read: On...

11-06-24 Huygens mission has directly sampled the water plumes jetting into space from Saturn's moon Enceladus. The findings from these fly-throughs are the strongest evidence yet for the existence of large-scale saltwater reservoirs beneath the moon's icy c...

11-06-23 A quick and easy way to detect groundwater in semi- arid（干旱的） hard rock areas that is also economical could improve the siting of borewells to improve clean water supply in the developing world. Details of the approach are outlined in the Inter...

11-06-16 Assessing the environmental risk of pesticide use is an important, complex task that requires knowledge of the equilibrium（均衡，平静） sorption（吸附作用） parameter. This helps researchers assess the risk of pesticides leaching into groundwater....

11-06-03 Humans have been building reservoirs（水库） and dams for thousands of years. Over the past few decades, their construction has spiked as our need to harness water critical in flood control, irrigation, recreation, navigation and the creation of hyd...