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Divers in Budapest, Hungary has spent the last few weeks exploring the depth of what may be one of the biggest underground lakes in the world. The huge subterranean thermal lake was discovered in early 2008 and in a cave complex below a Turkish bath.

Horizon - Life On Mars 火星生命 - 6

For Mars to have rivers, it must once have had streams, rain, clouds and an atmosphere, a planet just like the Earth today-if these were rivers. They had to be sure. The answers would come in 1998 wit

VOA标准英语2010年-Rwandan Water Lily Grows in London

The world's largest water lilies are blooming in a tropical greenhouse at London's Kew Gardens. The world's smallest known water lily (Nymphaea thermarum), extinct in its native central African habitat, is thriving in a British botanical garden. Scie

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英式发音or美式发音:掌握地道口音发音规则 就总的来说，英式英语发音靠前，字正腔圆，比较清脆生硬；而美音发音比较靠后，更鼻音化一些，听起来比较圆润。 一、卷舌音 美音中r要发卷舌

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This week has been a very busy time for Surf Lifeguards. The sea around many parts of New Zealand has been quite dangerous recently with high waves and rips. In the week since New Year, Surf Lifeguards at Papamoa beach in the Bay of Plenty rescued 37

CRI实用英语课堂 Unit 25 Environmental Protection II 环境保护（中）

Part 4 Air Pollution 空气污染 Air is the ocean we breathe. Air supplies us with oxygen which is essential for our bodies to live. Air is 99.9% nitrogen, oxygen, water vapor and inert gases. Human activities ca n release substances into the air, some

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NASA's Cassini Death Dives into Saturn, Ending Mission The spacecraft Cassini ended its 20-year mission on Friday with a final death dive into the planet Saturn. 卡西尼宇宙飞船周五最后一次冲向土星，结束了它20年的使命。 NASA

China builds first tower-type solar-thermal power station

China builds first tower-type solar-thermal power station BEIJING, Nov. 12 (Xinhua) -- The first tower-type solar-thermal power station in Asia has been built in northwest Beijing, chief of the program said on Monday. Wang Zhifeng, a researcher at th

经济学人61:用于油井的太阳热能

Science and Technology 科技 Solar heat for oil wells 用于油井的太阳热能 Mirrors in glasshouses 温室的反光镜... can be used to heat stones ...能用于加热石头 THERE is a lot of energy from ancient sunshine stored in the oil that

SSS 2011-11-16

Ever wander through a supermarket and past the open refrigerated cases that house cream cheese, butter and OJ? The refrigerated shelves are protected by jets of air that blow across the front. These jets form an air shield to keep the warm air out. T

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The Relaxing Waters of Hot Springs National Park 阿肯色州温泉国家公园:放松的水域 Sometimes a visit to a national park means hiking rugged trails and climbing high mountains. Other times it means crawling through caves or rafting down a

英语听力：探索发现 2012-11-09 美洲大平原 American Serengeti—6

The site was once a spring-fed pond, full of water. Mammoths were tempted in to drink. But when they tried to climb back out, the banks were steep and slippery. Just like the short-faced bear imprisoned underground, some became trapped. Scavengers wo

2007年VOA标准英语-Scientists, Space Enthusiasts Share Vision for

By Mike O'Sullivan Los Angeles 04 September 2007 Humans could get to Mars in less than 10 years, if they put their minds to it. That is the message of the Mars Society, a group of scientists and space enthusiasts who met recently in Los Angeles. VOA'

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Science and Technology 科技 Solar heat for oil wells 用于油井的太阳热 Mirrors in glasshouses can be used to heat stones 玻璃房里的镜子.....可以用来加热石头 THERE is a lot of energy from ancient sunshine stored in the oil that

新西兰英语 79 New Geothermal Power Station

Today a new geo-thermal power station was opened in Kawerau, in the eastern Bay of Plenty. Geo means earth and therm means heat. The power station uses hot steam from the earth. Like the geo-thermal power station at Wairakei, which opened in the 1950

男女对温度的感受不同?

It happens every summer: offices turn on the air-conditioning, and women freeze into popsicles. But until now, there was no data to understand why women felt cold and were slipping on cardigans while men just rolled up their sleeves at the same tempe

2006年VOA标准英语-Hungary Declares a State of Emergency Due

By Stefan Bos Budapest 03 April 2006 The Hungarian government announced a state of emergency Monday after rain and melting snow swelled rivers and flooded towns across Central Europe. There were at le

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Did you know that enough sunlight falls on the earths surface every minute to provide energy for the entire world? The trick, though, is turning sunlight into power we can use for things like heating water and making electricity. And there are two ty

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That nine hundred years is an averageand a somewhat misleading one. 900年是个平均数字也是个会让人产生错觉的数字。 According to Robert B. Smith and Lee J. Siegel in Windows into the Earth, a geological history of the region, 罗伯特

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I know that solar energy can be used to make electricity and to heat water and air. But can solar power also be used to make liquid fuels? Until recently, the practical answer was no. Photovoltaic panels absorb sunlight and use it to create an electr