tree-凯发k8官网

13-06-29 predicted increases in temperature and drought in the coming century may make it more difficult for conifers（松柏类） such as ponderosa pine（杰克松） to regenerate after major forest fires on dry, low-elevation sites, in some cases leading to conv...

13-06-25 let no one ever say that a poor tailor cannot do great things and win high honors; all that is needed is that he should go to the right smithy（铁匠铺） , and what is of most consequence, that he should have good luck. a civil, adroit tailor's appre...

13-06-24 it was christmas 1961. i was teaching in a small town in ohio where my twenty-seven third graders eagerly anticipated the great day of gifts giving. a tree covered with tinsel and gaudy（俗丽的） paper chains graced one corner. in another rested a m...

13-05-09 a george washington university biologist and a team of researchers have created the first large-scale evolutionary family tree for every snake and lizard around the globe. the findings were recently published in the journal bmc evolutionary biology....

13-05-03 figs（无花果） and fig trees are familiar to a wide cross-section of human society, both as a common food and for their spiritual importance. what is less well understood is the global nature of this association between figs and humans, which is mai...

13-03-28 the genome of the mountain pine beetle -- the insect that has devastated b.c.'s lodgepole pine（美国黑松） forests -- has been decoded by researchers at the university of british columbia and canada's michael smith genome sciences centre. this is a...

12-12-17 new genetic analysis has revealed that many amazon tree species are likely to survive human-made climate warming in the coming century, contrary to previous findings that temperature increases would cause them to die out. a study, published in the l...

12-12-03 there is a temple at the foot of nanshan, and an ancient banyan（菩提树） is in front of it. one morning, a young monk gets up to clean up the courtyard and sees the fallen leaves from the ancient banyan are everywhere, he can't help worrying and lo...

12-11-21 scientists from queen mary, university of london have sequenced the genetic code of a birch（桦木） tree for the first time, which could help protect british birch populations. the genome, which is around 450 million letters, will help researchers u...

12-11-15 i've opened the curtain of my east window here above the computer, and i sit now in a holy theater before a sky-blue stage. a little cloud above the neighbor's trees resembles jimmy durante's nose for a while, then becomes amorphous（无定形的） as i...