文章列表

• 1.听力文摘：乐观主义好处多
• Research shows that whether a person is an optimist or a pessimist is related to their quality of life, including their physical health. The subjects ...
• 2.听力文摘：人人都会读心术
• Mind Reading 读心术 Sometimes we get letters here asking whether psychics are for real. Well, despite the t.v. shows, there isnt any scientific eviden...
• 3.听力文摘：忍辱负重的"女系部族"
• Males Rule in Costa Rican Wasp Species 哥斯达黎加父系制度的黄蜂 In most species of social insects, such as wasps, bees, and ants, the females rule. Th...
• 4.听力文摘：你家有"鼻涕虫"吗?
• As anyone who's had a toddler knows, they're incredibly demanding creatures. Armed with an insatiable desire to eat and/or destroy just about everythi...
• 5.听力文摘：乱跑的细胞
• A major reason why many cancers are so dangerous is that they metastasize. This means that instead of staying in one place, the cancer cells migrate f...
• 6.听力文摘：植物大战毛毛虫
• If you have kids, youve probably read the children's book: The Very Hungry Caterpillar, see, at least five thousand times. If you havent had the pleas...
• 7.听力文摘：巴克敏斯特·福乐和他的球型屋顶
• Buckminster Fuller and His Geodesic Dome 巴克敏斯特福乐和他的球型屋顶 Ever heard of a man named Buckminster Fuller, or Bucky, as his friends called hi...
• 8.听力文摘：蚕丝
• Silk 蚕丝 Silk is the strongest natural fiber in the world, as far as we know. Scientists long to understand just how exactly the silkworm manages the...
• 9.听力文摘：外星人来电
• E. T. Phoned. Now What? 外星人来电 Suppose one day scientists pick up a transmission they think is generated by aliens. Now what? Do we build a landin...
• 10.听力文摘：鼾声和认知能力
• Snoring and Cognition 鼾声和认知能力 Snoring can be pretty disturbing to people who sleep in the company of snorers, as well as to the snorer himself ...