VOA慢速英语2018--巧克力的故事

Chocolate's Story Older Than Once Thought Humans may have been enjoying cacao, the substance used to make chocolate, for much longer than experts had thought. Researchers at the University of British Columbia in Canada have found that humans grew cac

英语听力：自然百科 罕见的树袋鼠 -2

Papua New Guinean Gabriel Porolak handles the captured male. He is the Tree Kangaroos Conservation Program Research Coordinator and a key figure in the local preservation effort. (Six kilograms.) The captured animal is weighed and examined by veterin

2007年VOA标准英语-Exotic Animals Invading Habitats of Domestic Am

By Steve Mort Homestead, Florida 20 September 2007 Wildlife experts are accusing the U.S. government of failing to adequately control the imports of exotic pets sold online. A Cornell University study shows that these animals cost the U.S. economy $1

国家地理-2008-06-21 China's Amazing Flowers 繁花似锦的中国

China has more plants than anywhere else in the temperate regions of the world. In fact, it has almost twice as many kinds of plants as there are in the United States which is about the same size and about three times as many as there are in Europe.

3-10 南非—观鸟胜地

South Africa -- The Birding Mecca 1 South Africa’s diverse habitat and vegetation provides a perfect breeding ground for a lively and varied selection of birdlife. It ranks as one of the top birding

VOA慢速英语--北极航运增加对动物造成威胁

Animals at Risk from Increased Arctic Shipping The polar bear may be the animal most often identified with climate change, but it is far from the only creature at risk from rising temperatures. The northernmost part of Earth is warming two to three t

2006年VOA标准英语-Nobel Prize Winner Launches Global Tree Plantin

By Cathy Majtenyi Nairobi 08 November 2006 Nobel Peace Prize winner Wangari Maathai Wednesday called on the world to plant one billion trees as part of a global effort to fight climate change. She launched the initiative at the United Nations' Clima

SSS 2011-06-08

You shouldn't judge a book by its cover, and you shouldn't judge a species by place of its origin, so say ecologists in the commentary in the Journal Nature. They argued that conservation should access organisms based on their impact on the local env

SSS 2012-02-10

This is scientific Americans, 60 second science, I'm Sarah Fecht. Got a minute Thats not a bird whistling. This sound was recorded 2000 feet below the oceans surface. Scientists postulated decades ago that deep-sea animals might use sound to navigate

VOA标准英语2012--Tree Deaths Linked to Climate Change

Tree Deaths Linked to Climate Change Stanford University graduate student William Anderegg has seen this forest die-off firsthand. His doctoral thesis documents the impact of drought on trembling aspen, the most common tree in North America. These ar

VOA标准英语2014--美用黄蜂对抗甲虫入侵

Wasp Recruited to Fight Invasive Beetle 美用黄蜂对抗甲虫入侵 Scientists are pitting insects against insects in a battle to control an invasive species. U.S. Department of Agriculture researchers have released tiny parasitic wasps in forests

英语听力：自然百科 China's Amazing Flowers 繁花似锦的中国

China has more plants than anywhere else in the temperate regions of the world. In fact, it has almost twice as many kinds of plants as there are in the United States which is about the same size and about three times as many as there are in Europe.

FIFA set to grant free World Cup entry to indigenous

FIFA set to grant free World Cup entry to indigenous RIO DE JANEIRO, Oct. 18 (Xinhua) -- Football world governing body FIFA has reportedly accepted a Brazilian government proposal to offer free entry at the 2014 World Cup to the country's indigenous

经济学人285:转基因树木 进军森林

Science and technology 科学技术 Genetically modified tree 转基因树木 Into the wildwood 进军森林 A GM species may soon be liberated deliberately 一种转基因树木不久或将大量种植，但很审慎 ONCE upon a time, according to f

New dinosaur species found in east China

JINAN, May 14 (Xinhua) -- Chinese scientists said Saturday that they have found a new species of giant theropod dinosaur in the eastern province of Shandong. The new species, described as a close relative of Tyrannosaurus rex (T. rex), has been named

我们终于知晓了树的秘密

I am vertical/But I would rather be horizontal, wrote Sylvia Plath, meditating on the consequences of a treelike existence. A team of researchers from the Vienna University of Technology recently announced another perspective on arboreal repose. Usin

Australia to lose 45 species in 20 years: study

CANBERRA, March 23 (Xinhua) -- Up to 45 native species in Western Australia's Kimberley region will die out within 20 years if no action is taken, latest study showed on Wednesday. The Priority Threat Management to Protect Kimberley Wildlife report,

听播客学英语 121 语言

Last week a woman called Marie Smith Jones died. She was 89 years old and she lived in Alaska in North America. Marie was the last person alive to speak a language called Eyak. Eyak is, or was, one of the native North American languages. Linguists ha

英语听力文摘 English Digest 325、树跟人类是近亲？

Is A Tree Related To Me? 树跟人类是近亲？ Last time we talked about the false belief that evolutionary theory says human beings descended from monkeys. In fact, evolution says that both human beings and monkeys descended from a common ancesto

环球英语 — 282：Life in the Canopy

Voice 1 Thank you for joining us for todays Spotlight. Im Joshua Leo. Voice 2 And Im David Bast. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 In the ea