文章列表

• 1.南加州发现世界上最大的巨鸟化石
• Scientists have identified the fossilized remains of an extinct giant bird that could be the biggest flying bird ever found. With an estimated 20-24-f...
• 2.奥巴马讲话 关注中产阶层的发展
• Hi, everybody. This week, I spent a couple days in Minneapolis, talking with people about their lives-their concerns, their successes, and their hopes...
• 3.懒觉能帮助晚出生的睡鼠顺利冬眠
• For hibernating mammals, the pre-winter months are a race against time to accumulate enough energy reserves to last until spring. Offspring born late ...
• 4.研究人员利用成人干细胞使角膜再生
• Boston researchers have identified a way to enhance regrowth of human corneal（角膜的） tissue to restore vision, using a molecule known as ABCB5 that...
• 5.实验室培养鉴别微生物
• Millions of microbial species populate the world, but so far only a few have been identified due to the inability of most microbes to grow in the labo...
• 6.星体的年龄能通过声波测出
• Determining the age of stars has long been a challenge for astronomers. In experiments published in the journal Science, researchers at KU Leuven's In...
• 7.青蛙的跳跃模式取决于周围环境
• A frog's jump is not as simple as it seems....Australian scientists have discovered that different species adopt different jumping styles depending on...
• 8.非洲大象身体脂肪的秘密
• A research team from The University of Nottingham has carried out the first molecular characterisation of the African elephant's adipose tissue（脂肪组...
• 9.蛛蜂用蚂蚁尸体保护巢穴
• A new species of spider wasp, the 'Bone-house Wasp,' may use chemical cues from dead ants as a nest protection strategy, according to a recent study p...
• 10.螳螂虾的眼睛可以看见紫外线光谱
• In an unexpected discovery, researchers have found that the complex eyes of mantis shrimp are equipped with optics that generate ultraviolet (UV) colo...