10-03-07 An Agricultural Research Service (ARS) scientist is helping to sort through the jumbled（乱七八糟的） genetics of Echinacea（紫锥花属） , the coneflower（金花菊） known for its blossoms--and its potential for treating infections, inflammation, and o...

10-02-27 The flowering plant（开花植物） - purple loosestrife（千屈菜） - has been heading north since it was first introduced from Europe to the eastern seaboard 150 years ago. This exotic（外来的，异国的） invader chokes out native species and has dramatic...

10-01-08 Coral reefs give rise to many more new species than other tropical marine habitats, according to a new study. 一项新研究显示，珊瑚礁比其它热带海洋栖息地容易产生更多的新物种。 The reefs are centres of evolution as well as biodiversity Scientists used...

09-12-11 Paleontologists, aided by amateur业余的 volunteers, have unearthed发掘 a previously unknown meat-eating dinosaur from a fossil bone bed骨层 in northern New Mexico, settling a debate about early dinosaur evolution, revealing a period of explosive div...

09-11-03 More than a third of species assessed in a major international biodiversity study are threatened with extinction, s cientists have warned. 科学家警告，一项主要的国际生物多样性研究评估得出结论，超过三分之一的物种处于灭绝的危险之中。 The Kihansi spray...

09-10-12 Scientists have warned of an alarming increase in the extinction of animal species, because of threats to biodiversity and ecosystems. 科学家就动物物种灭绝速率的惊人上升提出警告，因为生物品种和生态系统正遭到威胁。 Scientists say nations have not hon...