• 为何有些植物的光合作用较强?

    12-12-28 Even on the evolutionary time scale of tens of millions of years there is such a thing as being in the right shape at the right time. An anatomical(解剖的) difference in the ability to seize the moment, according to a study led by Brown University...

  • 变化的环境驱使人类的进化

    12-12-28 A series of rapid environmental changes in East Africa roughly 2 million years ago may be responsible for driving human evolution, according to researchers at Penn State and Rutgers University. The landscape early humans were inhabiting transitioned...

  • 从鱼鳍到腿的进化史

    12-12-11 Vertebrates' transition to living on land, instead of only in water, represented a major event in the history of life. Now, researchers reporting in the December issue of the Cell Press journal Developmental Cell provide new evidence that the develo...

  • 科学家发现最古老的恐龙

    12-12-05 Palaeontologists have found what is likely to be the oldest known dinosaur, filling in a yawning evolutionary gap. 古生物学家发现了一种可能是最古老的已知恐龙品种,填补了进化史上的巨大空白。 Nyasasaurus parringtoni would have shared the land with sil...

  • 史前人类即会使用小型致命武器

    12-11-08 On the south coast of South Africa, scientists have found evidence for an advanced stone age technology dated to 71,000 years ago at Pinnacle Point near Mossel Bay. This technology, allowing projectiles(落弹数) to be thrown at greater distance and...

  • 海星物种进化速度超快

    12-07-26 How quickly can new species arise? In as little as 6,000 years, according to a study of Australian sea stars. That's unbelievably fast compared to most organisms, said Rick Grosberg, professor of evolution and ecology at UC Davis and coauthor on the...

  • 神秘化石为昆虫进化提供新线索

    11-07-20 German scientists at the Stuttgart Natural History Museum were leading in the discovery of a new insect order from the Lower Cretaceous of South America. The spectacular fossils were named Coxoplectoptera by their discoverers and their findings were...

  • 物种进化速度能否超过气候变化?

    11-06-09 Animals and plants may not be able to evolve their way out of the threat posed by climate change, according to a UC Davis study of a tiny seashore animal. The work was published today (June 8) in the journal Proceedings of the Royal Society B. The t...

  • 生态与进化相互影响

    11-01-30 Ecology drives evolution. In today's issue of the journal Science, UC Davis expert Thomas Schoener describes growing evidence that the reverse is also true, and explores what that might mean to our understanding of how environmental change affects s...

  • DNA显示马的进化过程

    09-12-11 Ancient DNA retrieved重新取回 from extinct horse species from around the world has challenged one of the textbook examples of evolution the fossil record of the horse family Equidae over the past 55 million years. The study, published today in the P...