• 气候变化使浅体色的蝴蝶蜻蜓更易生存

    14-05-28 Butterflies and dragonflies(蜻蜓) with lighter colours are out-competing darker-coloured insects in the face of climate change. In a new study published in Nature Communications, scientists from Imperial College London, Philipps-University Marburg...

  • 快速进化有助非本土植物的扩散

    14-05-26 A team of Belgian biologists led by researchers at KU Leuven has provided the first genetic evidence that rapid evolution can help non-native plant species spread in new environments. Using samples of centuries-old herbaria(植物标本室) and DNA ana...

  • 卢旺达发现新品种螳螂

    14-05-21 Circling the light trap used to lure(引诱) insects out of the thick, wet night in Rwanda's mountainous Nyungwe Forest National Park, Riley Tedrow reached to the leaf litter on the ground and nabbed a male and female of what turned out to be a new...

  • 南加勒比海珊瑚礁发现一种新黑鲈鱼

    14-05-20 Smithsonian scientists describe a colorful new species of small coral reef sea bass(黑鲈) from depths of 182-241 m off Curaao, southern Caribbean. With predominantly yellow body and fins, the new species, Liopropoma santi, closely resembles the ot...

  • 黄头鹭已自行在巴西生存繁衍

    14-05-10 In recent years the cattle egret(黄头鹭) (Bubulcus ibis) has colonized American continent. Invasive species are a worldwide problem and studies are devoted to assess the damage they cause to local species populations. Thus, the process of coloniza...

  • 菲律宾发现一种以镍为食的植物

    14-05-10 Scientists from the University of the Philippines, Los Baos have discovered a new plant species with an unusual lifestyle -- it eats nickel(镍) for a living -- accumulating up to 18,000 ppm of the metal in its leaves without itself being poisoned,...

  • 捕食者与猎物间的平衡关系

    14-05-07 A team of U.K. researchers has developed a way to dramatically reduce the complexity of modeling bistable(双稳定的) systems which involve the interaction of two evolving species where one changes faster than the other (slow-fast systems). Describe...

  • 海洋微生物具有显著的基因多样性

    14-04-25 The smallest, most abundant marine microbe, Prochlorococcus, is a photosynthetic bacteria species essential to the marine ecosystem. An estimated billion billion billion of the single-cell creatures live in the oceans, forming the base of the marine...

  • 濒危物种急需备选辨认方法

    14-04-18 In a time of global climate change and rapidly disappearing habitat critical to the survival of countless endangered species, there is a heightened sense of urgency to confirm the return of animals thought to be extinct, or to confirm the presence o...

  • 脊椎动物颚骨的进化史

    14-04-17 The skull of a newly discovered 325-million-year-old shark-like species suggests that early cartilaginous(软骨的) and bony fishes have more to tell us about the early evolution of jawed vertebrates -- including humans -- than do modern sharks, as...