The World’s Top Ten Destinations

The World’s Top Ten Destinations 1 Ankor Wat is part of a vast network of around a hundred ancient temples hidden deep in the Cambodian 1) jungle. A thousand years ago, this was a 2) thriving wooden

听电影学英语-后天 08

[00:03.70]Frank, is he always so obsessive? 弗兰克 他总是这么专心吗? [00:06.62]-Yeah. -Yes. 对 是的 [00:11.06]Does he ever lighten up? 他从来没放松过吗? [00:11.30]-Not really. -No. 没见过 没有 [00:17.02]How long have you be

科学美国人60秒 SSS 'Necrobiome' Reveals a Corpse's Time of Death

Tens of trillions of microbes call our living bodies home. But when we die? The first thing that happens is basically ecosystem collapsewhere you have a tremendous loss of diversity. Nathan Lents, a molecular biologist at John Jay College in New York

【轻松英文阅读】拯救猛犸象

The woolly mammoth was a very large elephant-like mammal that lived on Earth several thousand years ago. Some mammoths grew to be four meters high and the largest weighed almost nine tons. Both male and female mammoths had very large tusks and walked

TED演讲:我们如何研究生活在肠道中的微生物(6)

So we know that moving to the USA is sufficient to cause a dramatic change in your microbiome, probably not for the better. 因此我们得出结论，移居到美国生活后，会造成体内微生物群发生巨大改变，很可能不是在变好。

TED演讲:我们如何研究生活在肠道中的微生物(2)

My lab got our first indication of this when actually we were studying non-human primates. 我的实验室在研究非人类--灵长类动物时，第一次发现了这个征兆。 We wanted to find out what happens to a monkey's microbiome when they

SSS 2008-05-27

This is Scientific American's 60-Second Science. I am Adam Hamterture, got a minute? What's sixteen feet tall and 9,550 years old? Its the world's oldest tree. The worn and weathered spruce grows in Sweden's windswept tundra. But, until recently, wel

SSS 2010-03-18

Humans are pegged to a 24-hour cycle. We're locked into it not just by day and nighttheres the master timepiece in the brain called the circadian clock. But it doesn't make sense to live by a 24-hour clock in the Arctic, where it's dark or light for

大学英语自学教程上UNIT24

[00:04.60]Saving the Rainforests for Future Generations [00:07.77]为子孙后代救救热带雨林 [00:10.95]Rainforests are being cut and burned from Brazil to Indonesia [00:14.93]从巴西到印度尼西亚，热带雨林正在以极快的速度被砍伐和烧毁， [00:18.91]at such a

双语有声阅读:Life on the Tundra 接近北冰洋的冻土带

Tundra is the name given to the low, marshy plains of Europe, Siberia, and North America that border on the Arctic Ocean. In Alaska, the vast, cold region known as the Northern Slope is part of the tundra. Nature sets harsh terms for survival in this

美国国家公共电台 NPR Is The Secret To A Healthier Microbiome Hidden In The Hadza Diet?

ARI SHAPIRO, HOST: The phrase endangered species often refers to charismatic animals like mountain gorillas or polar bears. Well, today scientists are reporting that a whole different type of extinction is happening inside our bodies. NPR's Michaelee

TED演讲:石油真正的代价(2)

In Saskatchewan, as across all of the boreal, home to some of our most famous rivers, 横跨北方森林的萨克其万省，拥有一些著名湖泊， an incredible network of rivers and lakes that every school-age child learns about, the Peace, th

英语听力：自然百科 濒临灭绝的鼠兔

Autumn in the Rocky Mountains, a time of change. Aspens turn golden and the bull elk, in the midst of their mating season, work hard to catch the eye and ears of the ladies. Up in the highest peaks, another call rings out. It's the pint-sized prince

Former fighter pilot Lawson named Canadian military chief

OTTAWA, Aug. 27 (Xinhua) -- Canada's Prime Minister Stephen Harper announced Monday that Lieutenant-General Thomas Lawson has been appointed as Canada's new chief of the defence staff, the country's top military post. Lawson, who assumed the position

英语听力：Wild China 美丽中国 -13

Smart ecology like this is what enables China to be largely self-sufficient in food even today. Back in the village, Yang has his own smokehouse, where he preserves his fish ready for market. Longshan carp have unusually soft scales and a very delica

科学家12年不洗澡，靠微生物喷雾清洁

In a bid to prove that showering is overrated, an American scientist hasnt had a bath in 12 years. Instead, he sprays his skin with a mist containing live bacteria, which he claims has kept him clean all these years! 为了证明洗澡是小题大做，

TED演讲：宏观历史(8)

I call this ability collective learning. It's what makes us different. 我把这个叫做集体学习的能力。这使我们如此特殊。 We can see it at work in the earliest stages of human history. 我们可以看到在人类历史早期的阶段

经济学人304:海豹如何享用它的午餐

Science and technology 科学技术 How to win at poker 怎样成为扑克牌高手 A handy tip 诀窍之一 Keeping a straight face is not enough 喜怒不形于色？不太够 A POKER face. It is the expressionless gaze that gives nothing away. 所谓

咱们裸熊 第33期:因特网宝贝

Lay it on me, sweet Internet. Advertisement? Oh, hey. You want to watch that baby sloth video again? Was that a no? 因特网宝贝，给我出来我吧。又是广告？哦，嘿。你想再看看那个树獭宝宝的的视频吗？所以是拒绝我咯

双语有声阅读：阿拉斯加输油管

The Alaska Pipeline The Alaska pipeline starts at the frozen edge of the Arctic ocean. It stretches southward across the largest and northernmost state in the United States,ending at a remote ice free seaport village nearly 800 miles from where it be