文章列表

• 1.塑料购物袋是制造柴油的好原料
• Plastic shopping bags, an abundant source of litter on land and at sea, can be converted into diesel, natural gas and other useful petroleum products,...
• 2.猩猩为何离开树木在陆地生活
• Orangutans come down from the trees and spend more time on the ground than previously realised -- but this behaviour may be partly influenced by human...
• 3.聚变燃料的起始增益
• Ignition -- the process of releasing fusion energy equal to or greater than the amount of energy used to confine the fuel -- has long been considered ...
• 4.科学家尝试在太空中数鲸鱼
• Scientists have demonstrated a new method for counting whales from space. 科学家展示了一种从太空中计算鲸鱼数量的新方法。 It uses very high-resolution ...
• 5.鳄鱼也会爬树
• 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. H...
• 6.大山雀觅食时使用鸟瞰视野
• Birds that hoard（贮藏） food for a rainy day better be sure that there are no great tits around to spy on where they hide their reserve of seeds and ...
• 7.非法狩猎威胁热带草原的生态系统
• White rhinoceros（犀牛） may be extinct in twenty years with the current poaching rates. The loss of this megaherbivore is in itself a tragedy, but it...
• 8.恒星毁灭后变成行星状星云
• Astronomers know that while large stars can end their lives as violently cataclysmic supernovae, smaller stars end up as planetary nebulae（行星状星云...
• 9.城市中的生物多样性超出预期
• The rapid conversion of natural lands to cement-dominated urban centers is causing great losses in biodiversity. Yet, according to a new study involvi...
• 10.脊椎动物的面部进化历程
• A team of French and Swedish researchers have presented new fossil evidence for the origin of one of the most important and emotionally significant pa...