英语听力：自然百科 南极物种大发现

Researchers have made some interesting discoveries near Antarctica. A team of scientists from the British Antarctic Survey and University of Hamburg have published the first comprehensive inventory of sea-and-land animals, near the tip of the Antarct

听一分钟英文：Whales-鲸鱼

Whales are absolutely beautiful creatures. It's amazing to think how big they are. But I guess they're a tiny dot when they're in the ocean. I think whales are among the most interesting animals on Earth. Are they animals or fish? I know they are mam

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

VOA常速英语2017--鳄雀鳝重返北美水系

Alligator gar are the second largest freshwater fish in North America. Later it disappeared from the state's waterways in the 1990s. 鳄雀鳝是北美第二大淡水鱼。后来，也就是20世纪90年代的时候，水域中就再没发现过这种鱼

高等院校英语专业本科听力-第四册4.04

Nagasaki have never been subjected to large scale of bombing,prior to the explosion atomic bomb there.On Auguest 1st,1945,however,a number of highly explosive bombs were dropped on the city.A few of bombs hit the shipyard and dock areas.In the southw

William McDonough谈"从摇篮到摇篮"理念

致力于环保的建筑师兼设计师 William McDonough 问，如果设计师心系所有子孙、所有物种、直到永远，我们的建筑及产品会是什么样子？

知乎神回答：若人类灭绝了 地球谁来接管？

Which species would take over the world if humans went extinct? 如果人类灭绝了，哪类物种会统治世界? 来自Quora的网友总结： Well it won't be fecking dolphins, that's for sure. Because: 当然，那TM肯定不可能是海豚。因

VOA慢速英语2015 科幻变成现实的物种调查

AS IT IS 2015-01-09 Science Fiction Becomes Reality for Species Surveys 科幻变成现实的物种调查 Many science fiction stories tell about explorers arriving in a new world. The explorers then use some kind of high-tech device to test for brea

听一分钟英文：Spiders-蜘蛛

Spiders are scary. I dont care what people say, they are scary creatures. Some people say they like spiders. I think theyre mad. They only like them because theyre so small. If they were the size of large dogs, people wouldnt like them so much. Can y

PBS高端访谈:帝王蝶可能会成为濒临灭绝的物种

HARI SREENIVASAN: Every year, millions of North American monarch butterflies head south for the winter in one of the insect world's most fantastic feats. But as you've likely heard, their numbers have declined dramatically in the past two decades. No

万物简史 第104期:势不两立的科学(5)

Inspired by the controversy, in 1796 Cuvier wrote a landmark paper, Note on the Species of Living and Fossil Elephants, in which he put forward for the first time a formal theory of extinctions. His belief was that from time to time the Earth experie

大熊猫被移出濒危名单 东部大猩猩成“极危”

The giant panda is no longer an endangered species, following decades of work by conservationists to save it. 经过动物保护工作者几十年的努力，大熊猫不再是濒危物种了。 The official status of the much-loved animal has been c

万物简史 第508期:丰富多彩的生命(4)

When Emerson poetically noted that mosses favor the north sides of trees (The moss upon the forest bark, was pole-star when the night was dark) 当埃默森富有诗意地谈到苔藓喜欢生长在树木的北侧的时候（在漆黑的夜晚，树干

猫狗之争：从进化角度看猫科比犬科更好

It's the debate that has long divided animal lovers. Now scientists have confirmed that cats really are better than dogs at least from an evolutionary perspective. 一直以来，猫和狗哪个更好这一问题将动物爱好者划分为两大阵营。

【英语语言学习】科技挽救物种的灭绝

Hello, again, and welcome. Im Jim Tedder in Washington. Our program today is all about animals. First we will hear about a group of people who are working to save the African elephant from poachers. New money and new ideas are involved in the project

科学家网评“最萌小动物”：争晒掌上萌物

Is there anything better than pictures of adorable animals? 还有什么事情能比讨人欢喜的动物照片更棒呢？ The creature-loving scientists, zoos, and aquariums on Twitter definitely don't think so. This week, a variety of animal exper

听一分钟英文：Kissing-亲吻

If you think about it, kissing is strange. I mean, here we are in the twenty-first century and we still like kissing. I think were the only species on Earth that does this. Of course, there are different kinds of kissing. Kissing your parents or frie

【英语时差8,16】最成功物种

For many scientists, a species success is measured by sheer numbers. In that case, the most successful species known to man is a type of bacterium known as S-A-R-11, or SAR-11 for short. Scientists estimate that there are two-hundred and forty times

万物简史 第526期:丰富多彩的生命(22)

According to the Wall Street Journal, the world has about 10,000 active taxonomists, 据《华尔街日报》说，世界上大约有l万名活跃的分类学家， not a great number when you consider how much there is to be recorded. 考虑到有那么

万物简史 第524期:丰富多彩的生命(20)

In principle you ought to be able to go to experts in each area of specialization, ask how many species there are in their fields, then add the totals. 原则上，我们可以去找一找每个专门领域的专家，问一问他们的领域里有多少