SSS 2011-07-29

More than 16 mammals species like the famous fly squirrel have adapted the ability to sail from tree to tree, thrilling Yes, but what is the evolutionary advantages. One theory suggests gliding saves energy, so researchers test that idea using colugo

SSS 2012-01-31

To a female orb web spider, a suitable male can look like a mate and meal. For these spiders, the dating game has turned into a deadly dance of evolutionary one. the female spiders can choose when to cut off their relations by eating her partner or k

SSS 2012-01-24

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

SSS 2012-06-20

This is Scientific American 60 Seconds. I'm Cynthia Graber. This'll just take a minute. In Europe and the near east, people went from being mobile hunter gathers to more settled agriculture way of life. But in Africa, no matters domesticated animals

SSS 2012-02-23

This is Scientific American 60 second Science, I'm Sophie Bushwick, got a minute In the lab, female rodents sometimes terminate their pregnancies after being exposed to new males. Its called the Bruce effect, for researcher Hilda Bruce. Now a study i

SSS 2010-12-14

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. In the spring of 1912 an iceberg in the Atlantic took down the Titanic. Now, some humble bacteria are trying to finish the job. Scientists analyzing rust f

SSS 2010-03-22

Were nice to our families. From an evolutionary perspective, that makes sense. But what makes us deal fairly with strangers? One theory holds that the development of large societies necessitated the creation of fairness, through institutions such as

SSS 2010-11-30

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute？ The November 26th issue of the journal Science included a study showing that the extinction of the dinosaurs some 65 million years ago allowed puny mammals to get really

【一起听英语】以名人来命名

世界上有很多景点、物品都是以名人来命名的，你知道的有几个呢？ Neil: Hello and welcome to 6 Minute English, the programme in which we discuss something from the news and teach you a few useful words and phrases on the way!

侏罗纪搏击俱乐部 第75期:鲸其实是有腿的

Incredibly, whales are closely related to hoofed animals, in particular, the pig and the hippo. 很难相信，鲸类跟有蹄类动物的关系非常接近，特别是，猪和河马。 55 million years, the actual evolutionary origins of whales and

考研英语长难句讲解 第91期

28. Thus, in his view, diverse aspects of culture, such as the structure of families, forms of marriage, categories of kinship, ownership of property, forms of government, technology, and systems of food production, all changed as societies evolved. 【

有声英文阅读-“混”出名堂

Eurasians in the Sportlight “混”出名堂 Can an ethnic mix be trendy? At the moment, Eurasians are enjoying an unprecedented high profile in the news, in advertising, and in the entertainment in

名人轶事:Diane Arbus: Revolutionary Photographer of Unusu

Diane Arbus: Revolutionary Photographer of Unusual People Written by Dana Demange (MUSIC) VOICE ONE: Im Faith Lapidus. VOICE TWO: And Im Steve Ember with People in America in VOA Special English. Today, we tell about Diane Arbus, a revolutionary mode

菌类植物产生于几十亿年前

> 58 菌类植物产生于几十亿年前 DATE=8/24/01 TITLE=ENVIRONMENT REPORT - Early Plant Study BYLINE=Cynthia Kirk （Start at 1’00” ）This is Bill White with the VOA Special English ENVIRONM

SSS 2008-12-08

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Animals that live in cold climates tend to have stubby limbsshorter arms and legseven smaller ears and tails. Picture a penguin and youll see what I mean

SSS 2009-09-02

Music is known to make us happy, or calm, or sad. But do other animals respond to dulcet tones, as well? In studies, our primate cousins prefer silence to our music. But maybe we were playing the wrong tune. Psychologist Charles Snowdon and musician

SSS 2010-11-03

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Maybe your dad said, The harder you work for something, the more youll appreciate it. Well, father really did know best, because a new study finds that the

SSS 2010-09-01

Theres been an unexpected development in our understanding of drug resistance in bacteria. The accepted scenario was a simple case of evolutionary selection. In a bacterial population exposed to a killer drug, a few lucky individuals might have a gen

SSS 2012-06-12

In the day of the dinosaur, insects had wingspans of nearly 2.5 feet. So why are today's bugs so puny? According to researchers at U.C. Santa Cruz, we may have birds and bats to thank. Their concludes appear in the Proceedings of the National Academy

研究：过度自信者更易成功

研究：过度自信者更易成功 How overconfidence can improve your chances of success They are regularly accused of being too confident even cocky but the highest achievers are more often than not those who over-rate their ability. 他们经常因