• 贝壳杉曾存活于南美洲

    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...

  • 1亿年前开花植物即可以有性生殖

    14-01-05 A 100-million-year old piece of amber(琥珀) has been discovered which reveals the oldest evidence of sexual reproduction in a flowering plant -- a cluster of 18 tiny flowers from the Cretaceous Period -- with one of them in the process of making s...

  • 本土植物与外来物种

    13-12-11 The home team holds the advantage over visitors -- at least in the plant world. However, a mere handful of genetic adaptations could even the playing field. In the current issue of the Proceedings for the National Academy of Sciences, Michigan State...

  • LED光源对莴苣生长的影响

    13-11-20 In the life cycle of plants, most developmental processes are dependent on light. Significant biological processes such as germination(发芽) , shade avoidance, circadian rhythms, and flower induction are all affected by light. Recent advancements...

  • 细胞核附近的DNA对新陈代谢有重要作用

    13-10-14 New research from the University of California, Davis, shows that the tiny proportion of a cell's DNA that is located outside the cell nucleus has a disproportionately large effect on a cell's metabolism. The work, with the model plant Arabidopsis,...

  • 气候变暖迫使植物向高处生长

    13-08-15 Comparing plant communities today with a survey taken 50 years ago, a UA-led research team is providing the first on-the-ground evidence for Southwestern plants being pushed to higher elevations by an increasingly warmer and drier climate. In a rare...

  • 佛罗里达州一座天然气厂发生爆炸

    13-07-30 At least seven people were injured by a series of explosions at a gas plant in the US state of Florida, officials say. 美国佛罗里达州一座天然气加工厂发生连环爆炸,至少7人受伤。 They were working at the Blue Rhino propane(丙烷) plant, in the town o...

  • 福岛核电站站长吉田雅夫逝世

    13-07-10 Masao Yoshida, the Fukushima nuclear chief who led efforts to stabilise the crippled plant after the March 2011 earthquake and tsunami, has died at the age of 58. 福岛核电站主管吉田雅夫逝世,终年58岁。2011年3月地震海啸之后,核电站在他的领导下趋于稳...

  • 普亚菠萝在英国培育15年首次开花

    13-06-30 A towering South American plant that is believed to kill animals with its spikes and use their decaying bodies as fertilizer is about to bloom in England. 据美国雅虎新闻网6月21日报道,日前,英国皇家园艺协会从南美洲引进的食羊植物智利普亚菠萝在该协会...

  • 加拿大发现体型最小的食草恐龙

    13-05-23 Dinosaurs are often thought of as large, fierce animals, but new research highlights a previously overlooked diversity of small dinosaurs. In the Journal of Vertebrate Paleontology, a team of paleontologists from the University of Toronto, Royal Ont...