Earth and Sky:Spider Widows 蜘蛛寡妇

Spider Widows 蜘蛛寡妇 Spiders give many of us the shivers, though they usually leave people alone. Sometimes these spectacular predators instead prey on each other. Learn more about when spiders serve themselves as dinner -- today on Earth and Sky.

SSS 2011-11-21

Male nursery web spiders often woo potential lady-friends with gifts wrapped in silk. Mating may ensue, during which a female unspools the present, expecting to find a tasty treat. But the males can be unscrupulous. Some offerings contain inedible pl

SSS 2012-02-22

This is Scientific American 60 second science, I am Christopher Intagliata, got a minute? The most common types of ingested birth control contain estrogen. But the hormone doesnt just prevent human babies. It may be lowering numbers of frog babies, t

【英语时差8,16】蚊子爱言论

Is there any sound more annoying than the whine of a [dict]mosquito[/dict]? Yes, mosquitoes are pests through and through. But there's more to their irritating whine than meets the ear. For mosquitoes, that's the sound of love. It's well known by sci

王玉梅托福词汇 Word_list_35

词条 含义 近义 solo n. 独奏曲 adj. 单独的 unaccompanied , single soloist n. 独奏者，独唱者 soluble adj. 可溶的，可溶解的 dissolvabel, meltable solution n. 解答，解决 n.

国家地理-2008-07-03 Mating Moments 求偶时刻

Ok, here is the clinic for you guys out there on the Dos and Donts of finding emotional joy and carnal fulfillment in its most primitive form, if you get my drift. This male wildebeest dashes up to this herd of females, oblivious to the fact that ot

国家地理:Octopus Mating 章鱼交配

OK, we are back in the world of the Cyanea octopus. It's mating time. Here's your potential conquest. She doesn't know you're alive. She's too busy cleaning trash from her house. Now you are the perceptive type. You use your sensitive disks for any s

国家地理:Animal Mating: Blue-Footed Boobies 蓝脚鲣鸟

The mating ritual of each species on Earth has certain, well, peculiarities. As you might tell it from the name of the species itself, blue-footed boobies are no exception to this rule. Here in the Galapagos Islands, this pair of blue-footed boobies

基因决定了你配偶的类型

Chances are, youre going to marry someone a lot like you. Similar intelligence, similar height, similar body weight. A new study of tens of thousands of married couples suggests that this isnt an accident. We dont marry educated people because we hap

TED演讲:科技并没有改变爱 为什么?(2)

How is technology changing love? I'm going to say almost not at all. 科技改变了爱吗？我认为没有。 I study the brain. I and my colleagues have put over 100 people into a brain scanner 我从事大脑研究。我和我的同事们对100多人

AP美联社一分钟新闻 2008-09-21

1. The Bush administration and Congress are working through the weekend to hammer out a Wall Street rescue plan. President Bush is asking lawmakers to let the government buy 700 billion dollars in bad mortgages from US financial institutions for the

【英语语言学习】TED演讲

I have a daughter, Mulan. And when she was eight, last year, she was doing a report for school or she had some homework about frogs. And we were at this restaurant, and she said, So, basically, frogs lay eggs and the eggs turn into tadpoles, and tadp

考研词汇辨析 1

overlap v.与…交叠 解析：Their duties overlap.他们职责相同。 passive adj.被动的 解析：【反义词】active 主动的 portion n.一部分 解析：for the great portion of one's li

女性天生有“出轨基因”

Women are 'genetically programmed to have affairs' 女性天生有出轨基因 Women are predisposed by their genetics to have affairs as back-up plans' if their relationships fail, according to a research paper. 研究结果表明，如果恋爱或者

英文摇滚歌曲：Lordi - Who′s Your Daddy

Oh! Yeah, yeah, yeah, yeah Yeah, yeah, yeah, yeah All the vixens stand in line Waiting for my fright night Be the new flesh for the sacrifice Screaming out the mating call I've become the lord of love I break your will I'll break your will for good I

TED演讲:宇宙有中心吗(1)

What is at the center of the universe? 宇宙的中心是什么？ It's an essential question that humans have been wondering about for centuries. 这是个很重要的问题，几百年来，人们一直在探索。 But the journey toward an answer

TED演讲:互联网怎样使人们变得亲密(2)

So, think of the three settings I've talked to you about: 那么想想这3个我所谈到的背景： factory, migration, office. 工厂，移民，办公室。 But it could be in a school, it could be an administration, 但这也可能在学校，在政

TED演讲:恋爱中的大脑(2)

We found activity in a tiny, little factory near the base of the brain 我们发现在大脑底部附近有一块活跃的微小的区域 called the ventral tegmental area. 腹侧背盖区。 We found activity in some cells called the A10 cells, 其中

全球首创3D生物血管打印机在成都问世

A Chinese biotechnological company announced on Sunday it has developed the world's first 3D blood vessel bio-printer, which makes it possible to produce personalized functional organs. 本周日，中国的一家生物技术公司宣布，它已经研

【英语时差8,16】蜗牛（上）

No matter the species, mating rituals are pretty weird. Take the praying mantis. After an intimate tryst, the female mantis bites its partners head off. But when it comes to sexual hijinks, nothing beats the garden snail. During sex, garden snails of