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

北师大版高中英语模块7--Unit 22 Environmental 2

[00:02.31]Forests [00:03.63]The world's forests are the natural habitats [00:05.99]for millions of species of plants, [00:08.33]insects, birds, reptiles and mammals. [00:11.68]They also help produce clean oxygen. [00:14.47]Because of illegal logging,

VOA常速英语2015--宇航员为太空旅行做水下实验

Astronauts Train Underwater for Deep Space Missions 宇航员为太空旅行做水下实验 Manned deep space missions are still a long way off, but space agencies are already testing procedures, equipment and human stamina for operations in extreme

VOA慢速英语--专家们开会了解夏威夷附近座头鲸数量减少的原因

Experts Meet to Understand Decrease in Humpback Whales Off Hawaii Every winter, thousands of humpback whales migrate from Alaska to the warmer waters near the Hawaiian Islands. There, they have sex and give birth before making their return trip north

科学美国人60秒 SSS The True ＂Bottom＂ of the Food Chain Is Plenty Polluted

The Mariana Trench is the deepest spot in the worlds oceans. Only three humans have ventured into the trench in submersibles. But plenty of our pollution has made the voyage to the bottom of the sea: a new study finds that critters living more than s

英文书摘精选 海洋生物有趣的睡觉习惯

Marine Animals Have Interesting Sleeping Habits 海洋生物有趣的睡觉习惯 Many people know that marine mammals, like whales, porpoises and dolphins, breathe air, like we do. But, many people dont know that marine mammals have developed some i

SSS 2008-07-02

This is Scientific American's 60-second Science, I am Karen Hopkin. This'll just take a minute. Methane is a greenhouse gas that traps heat even better than carbon dioxide. It comes from a variety of sources, including fossil fuel production and even

SSS 2009-09-10

The National Oceanic Atmospheric Administration [NOAA], spends most of its time trying to understand and predict changes in the environment, along with conserving and managing coastal and marine resources. But its scientific expertise also just made

科学家探索海底火山

Scientists Explore Underwater Volcanoes 科学家探索海底火山 What covers nearly 29 million square kilometers of this planet beneath the sea? The answer is seamounts. Seamounts are mountains, usually volcanoes, that rise up from the sea floor.

VOA标准英语2013--Bacteria Thrive on Ocean Plastic Debris

Bacteria Thrive on Ocean Plastic Debris It takes about six weeks for a plastic bag or bottle to ride the surface currents from the U.S. East Coast to the Sargasso Sea, in the center of the North Atlantic. The area is a gyre, essentially a big whirlpo

英语听力：自然百科 澳大利亚大堡礁 Great Barrier Reef—5

shows it really quite well. In order to bring back a piece of this mystery, his team of divers will be risking their lives. Diving problems, you got currents, tides, waves. We havent been here before. We haven't been this deep, though. One of those c

PBS高端访谈:科学家根据阿拉斯加冰雪层的状况监测气候变化

GWEN IFILL: Finally tonight: how climate change may be affecting life in Alaska as we know it and the captivating images we see there, from ice to Marine life. NewsHour science correspondent Miles O'Brien went there to see for himself. MILES O'BRIEN:

VOA常速英语2013--海洋中的塑料碎片上滋养大量细菌

Bacteria Thrive on Ocean Plastic Debris 海洋中的塑料碎片上滋养大量细菌 Plastic pollution in the ocean is harboring colonies of bacteria that could be harmful, not only to marine animals, but also to humans. 海洋中的塑料污染滋生

VOA常速英语2013--非洲大陆的灰尘飘向美国

Africa Kicks-up A Lot of Dust 非洲大陆的灰尘飘向美国 Bits and pieces of the African continent are falling on the United States and surrounding regions much of the year. Scientists say large amounts of African dust may be having major effec

VOA标准英语2010年-Dust From Farming May Affect Rainfall

New research suggests agriculture has greatly increased the amount of dust blowing off of West Africa, the world's largest source of atmospheric dust, and may have been one factor driving the decrease in rainfall in the region over the past several c

英国科学家探测海洋来预测气候

The twilight zone refers to the area between 100 and 1000 metres deep where a small amount of sunlight can still penetrate. The region is packed with ocean life that plays a key role in keeping atmospheric carbon-dioxide levels 30-percent lower than

英语听书《海底两万里》第300期 第22章 强逼睡眠(5)

For several hours the Nautilus drifted in this brilliant tide, and our wonderment grew when we saw huge marine animals cavorting in it, 诺第留斯号在这种光辉的海波中浮游了好几个钟头，我看见粗大的海中动物， like the fi

英语听力精选进阶版 6455

Here's a hotel worth writing home about: a company in Poland plans to build tourist accommodation under the sea. The structure can be towed to a suitable location and placed on supports on the sea bed. The 'Water Discus' will be made up of an underwa

英语听书《海底两万里》第187期 第14章 黑潮暖流(1)

If you don't mind, professor, Captain Nemo told me, we'll determine our exact position and fix the starting point of our voyage. It's fifteen minutes before noon. I'm going to rise to the surface of the water. 教授，尼摩船长对我说，如果您

英语听书《海底两万里》第217期 第16章 在海底平原散步(8)

All these wonders I glimpsed in the space of a quarter of a mile, barely pausing, following Captain Nemo whose gestures kept beckoning me onward. 约在四分之一海里的空间内，我没有停步，几乎不断地看到这些珍品。尼摩船长向