SCIENCE IN THE NEWS - Study Confirms Earth-like Planet in What Scientists Call The Habitable Zone MARIO RITTER: This is SCIENCE IN THE NEWS, in VOA Special English. Im Mario Ritter. BARBARA KLEIN: And Im Barbara Klein. Today, we tell about the discov

发表于:2018-12-01 / 阅读(115) / 评论(0) 分类 2011年VOA慢速英语(十二)月

Paris Conference to Discuss Climate Change, Rising Oceans Some of the world's leading experts on oceans and climate change are meeting in Paris this week to discuss why oceans are rising, and where to channel scarce research funds to study the pheno

发表于:2018-12-07 / 阅读(81) / 评论(0) 分类 (科普英语)Earth and Sky

Salty Origins for Early Earth Biomolecules In a study presented at the European Planetary Science Conference in Potsdam, researchers proposed that salt deposits on the early Earth's volcanic coasts enabled the conversion of amino acids into other im

发表于:2019-01-07 / 阅读(117) / 评论(0) 分类 60秒科学

I feel the earth move under my feet I feel the sky tumbling down I feel my heart start to trembling Whenever you're around Oh baby When I see your face Mellow as the month of May Oh darling I cant stand it When you look at me that way I feel the eart

发表于:2019-01-10 / 阅读(74) / 评论(0) 分类 The Voice 美国好声音

Radiation causes damage at the most fundamental level. It mutates the blueprint of life, DNA. Earth's magnetosphere is our crucial defense. It's so fundamental to our evolution and continued existence that the race is on to understand why it's changi

发表于:2019-01-22 / 阅读(64) / 评论(0) 分类 自然百科2011年

During its magnetic cycle, the Sun undergoes periodic changes in activity. Every 11 years, it enters solar maximum. This 11 years cycle of solar activity has peaks where theres lots of solar storms. And right now where the sun is taking a little napp

发表于:2019-01-22 / 阅读(106) / 评论(0) 分类 自然百科2011年

Six years later, they come to believe these light flashes are the results of high energy, heavy cosmic rays penetrating the spacecraft and the crew members' eyes. These/ protons or electrons, just very, very high energy, ripped / part of atoms, sprin

发表于:2019-01-22 / 阅读(82) / 评论(0) 分类 自然百科2011年

By analyzing thousands of lava samples, geophysicists discover/ that the Earth's magnetic field has reversed over 18,000 times in the last 20 million years. On either side of these reversals is a long period of dramatically reduced field strength. Du

发表于:2019-01-22 / 阅读(65) / 评论(0) 分类 自然百科2011年

If we could flip a switch and just turn off the Earth's magnetic field, it will take about 15,000 years to disappear, based on the rate of decay of the field that we've seen over the last 150 years. It's currently decaying at a rate that would see an

发表于:2019-01-22 / 阅读(66) / 评论(0) 分类 自然百科2011年

In polar regions where the magnetic field is / weakest, auroras glow in the sky. These dazzling displays of colored lights form when solar particles slam into gases in our atmosphere causing them to glow. The stronger the solar wind, the more dramati

发表于:2019-01-22 / 阅读(80) / 评论(0) 分类 自然百科2011年

Scientists believe that the South Atlantic Anomaly, is a sign of a global decline in the magnetic field. Evidence of this comes from a surprising source. Dr. Mimi Hill uses pottery to uncover the secrets of earth's magnetic past. Ancient pots tell us

发表于:2019-01-22 / 阅读(70) / 评论(0) 分类 自然百科2011年

Easily confused by this idea, there has a big thawed iron inner core, so that I think it's just the bar magnet, just permanent magnet frozen in nad, and that's where causes all the magnetic field. But it's too hot inside the Earth, that can't happen

发表于:2019-01-22 / 阅读(73) / 评论(0) 分类 自然百科2011年

As the vast sphere reaches / maximum speed, something incredible happens. Huge lines of magnetism arc in and out of the model core. Well, we can't see the magnetic field coming out of the experiment, we can measure them, we can put many different mag

发表于:2019-01-22 / 阅读(77) / 评论(0) 分类 自然百科2011年

Larry Newitt from the Geological Survey of Canada charts the movement of the magnetic North Pole as it wanders the icy reaches of northern Canada. To determine where the magnetic pole / is, we can't rely on one single observation. What I try to do is

发表于:2019-01-22 / 阅读(76) / 评论(0) 分类 自然百科2011年

Climate change is the great environmental challenge facing the world today. But maybe we should start calling it climates change. Because scientists whove looked to glaciers to study the history of climate on Earth have found that the Northern and S

发表于:2019-01-30 / 阅读(99) / 评论(0) 分类 60秒科学

今天我们要学的词是Earth Day。 Earth Day, 地球日。每年4月22号是地球日。 Since the first Earth Day in 1970, environmental awareness has become part of the economic and political mainstream, 自从1970年第一个地球日以来,环

发表于:2019-02-02 / 阅读(44) / 评论(0) 分类 英语单词荟萃

来自加拿大(安大略省)的女声二重唱组合DALA, 由Sheila Carabine和 Amanda Walther组成,2005年夏天,组合签约加拿大环球唱片,并发行了首张专集《Angels and Thieves》。 歌词: I've been trying to paint a ma

发表于:2019-02-11 / 阅读(57) / 评论(0) 分类 金属

Pianist David Benoit is basking in the warmth of his first recording of original material in four years, Earthglow. David modeled his album after a blend of instrumental jazz he calls jazz-lounge-Euro-chill. Benoit was interested in trying something

发表于:2019-02-11 / 阅读(67) / 评论(0) 分类 VOA标准英语2010年(四)月

China is the world's largest producer and exporter of rare-earths. These are elements which are critical to the manufacturing of high-tech products, including smartphones, wind turbines and car batteries, among other things. However, the rare-earth i

发表于:2019-02-14 / 阅读(61) / 评论(0) 分类 2016CRI中国国际广播电台

Did you witness any of the events of Earth Hour this year? There was a lot more participation this year from around the globe, than last year. 125 countries signed up to turn out some major (majour) lights, and out of those countries, 56 national cap

发表于:2019-02-17 / 阅读(51) / 评论(0) 分类 英语博客 A cup of English