14-05-22 California's winter tule fog -- hated by drivers, but needed by fruit and nut trees -- has declined dramatically over the past three decades, raising a red flag for the state's multibillion dollar agricultural industry, according to researchers at U...

14-04-23 On Earth Week--and in fact, every week now--trees in mountains across the western United States are dying, thanks to an infestation of bark beetles that reproduce in the trees' inner bark. Some species of the beetles, such as the mountain pine beetl...

14-03-25 It's Raining Inside James Schuyler Lee Upton Not tearing the umbrellas inside out not even blowing them side to side just getting wetness wetter and then the rain dwindles but the sun has a shimmer（微光） like it's missing the rain and every once i...

14-03-19 Once upon a time a man came into a forest. He said to the trees, Will you give me a piece of hard wood ? The tree said, Yes, we'll give you a good price of hard wood. He was very glad to get a good piece of wood. He hurried home with it. At once he...

14-02-14 Orangutans come down from the trees and spend more time on the ground than previously realised -- but this behaviour may be partly influenced by humans, a new study has found. Dr Mark Harrison, based in the Department of Geography at the University...

14-02-13 When most people envision crocodiles and alligators, they think of them waddling（摇摆蹒跚） on the ground or wading in water -- not climbing trees. However, a University of Tennessee, Knoxville, study has found that the reptiles can climb trees as...

14-01-16 In a finding that overturns the conventional view that large old trees are unproductive, scientists have determined that for most species, the biggest trees increase their growth rates and sequester（使隔绝） more carbon as they age. In a letter pub...

14-01-13 Today in Australia they call it Kauri, in Asia they call it Dammar, and in South America it does not exist at all unless planted there; but 52 million years ago the giant coniferous（松柏科的） evergreen tree known to botanists（植物学家） as Agathi...

13-12-23 短语 money doesn't grow on trees 的字面意思是钱不会长在树上，实际想表达的意思是不要乱花钱，因为挣钱不容易。 例句 My daughter Claire wants a car for her 17th birthday, but I can't afford it. Money doesn't grow on trees! Mum, can you give me some more...

13-10-31 In the temperate zones, vegetation follows the change of the seasons. After a winter pause, plants put out new growth in spring. Research has now brought a new correlation to light: The colder the winter, the earlier native plants begin to grow agai...