Earth and Sky;September Equinox 秋分

September Equinox 秋分 We have an equinox because an imaginary plane extending outward from Earth's equator isn't the same as the plane of Earth's orbit around the sun. Learn more about today's equinox -- on Earth and Sky.. JB: This is Earth and Sky

Earth and Sky:Sunscreened Plants 遮光植物

Sunscreened Plants 遮光植物 A NASA researcher is finding that alfalfa plants grow more poorly when exposed to UVB -- ultraviolet B radiation from the sun. Learn more about sunscreened plants -- today on Earth and Sky. JB: This is Earth and Sky. Eart

Earth and Sky:Amazon GIS 亚马逊地理信息系统

Amazon GIS 亚马逊地理信息系统 In the Amazon, there's a growing human population in a region that also contains 30% of Earth's total plants and animals. Learn how scientists have put together an Internet window to the Amazon -- today on Earth and Sky

英语歌曲:迈克尔.杰克逊-Earth song

迈克尔.杰克逊：Earth song Earth Song 地球之歌 演唱：Michael Jackson What about sunrise 日出呢 What about rain 雨呢 What about all the things 还有你说过 That you said we were to gain... 我们会得到的一切呢...... What ab

VOA标准英语2012--California Earthquake Swarm Rattle Nerves, Teaches Lesson

California Earthquake Swarm Rattle Nerves, Teaches Lesson Workers in Brawley repair quake damage, as scientists at the California Institute of Technology learn more about the network of fault-lines beneath the desert community. Since Sunday more than

Small asteroid to pass Earth: NASA

LOS ANGELES, June 24 (Xinhua) -- Near-Earth asteroid 2011 MD will whip past Earth on June 27, but will not pose any threat, NASA's Jet Propulsion Laboratory (JPL) said on Friday. The asteroid will pass only 12,000 kilometers (7,500 miles) above the E

Earth Day 2003

Broadcast: April 18, 2003 by Caty Weaver and George Grow. This is the VOA Special English Environment Report. On April twenty-second, millions of Americans and people around the world will observe the

英语六级听力考试预测模拟练习9

[00:00.00]Listening Comprehension (20 minutes) [00:-1.00]Section A [00:-2.00]Directions:In this section,you will hear 10 short conversations.At the end of each conversation,a question will be asked about what was said.Both the conversation and the qu

Eating earth may be good for stomach: study

LOS ANGELES, June 3 (Xinhua) -- Eating earth may protect the stomach against toxins, parasites and pathogens, a new study suggests. To examine the possible benefits from eating earth, researchers at Cornell University analyzed reports from missionari

英语歌曲:《地球之歌》Earth Song

【经典】《地球之歌》Earth Song 由迈克尔 杰克逊演唱的《Earth Song 》，这是一首环保歌曲，创作自1995年，当时世界战争不断，污染越来越严重，在那样的历史背景下，迈克尔杰克逊亲自作词，

SW China earthquakes claim 80 lives; premier visits quake zone

SW China earthquakes claim 80 lives; premier visits quake zone YILIANG, Yunnan, Sept. 8 (Xinhua) -- Eighty people have been confirmed dead as of Saturday noon following multiple earthquakes that struck southwest China's Yunnan Province on Friday, loc

Earth Day in Washington Part of Global Celebration

Earth Day events were held around the globe Sunday, including in Washington. Inclement weather kept away all but the most-dedicated environmentalists. Months of near-drought conditions gave way to steady rain that drenched the nations capital and the

5.5-magnitude earthquake hits Southern California

LOS ANGELES, Aug. 26 (Xinhua) -- A swarm of earthquakes including one of 5.5-magnitude hit Southern California area near the Mexican border around noon Sunday, according to the U.S. Geological Survey. The quakes started to hit the area of Brawley at

科学美国人60秒 SSS 月亮引力不会导致大地震

Moon's Tug Doesn't Cause Big Quakes On March 27th, 1964, a huge earthquake struck the Prince William Sound, off the coast of Alaska. Out in the gulf of Alaska, the ocean bottom plunges, then heaves upward a full 50 feet, and a wave starts racing towa

Asteroid buzzes Earth harmlessly

BEIJING, June 28 (Xinhuanet) -- A truck-sized asteroid passed over the Atlantic Ocean within 7,500 miles of the Earth on Monday, according to NASA's Jet Propulsion Laboratory. The space rock, called asteroid 2011 MD, is the second space rock to zip e

Millions Celebrating Earth Day Around the World

Millions of people around the world celebrated Earth Day Friday by pledging to commit personal acts of green to improve the environment(环境). This is the 41st anniversary of the first Earth Day, observed in the United States in the aftermath of a

音乐咖啡厅:Justin Bieber - Down to earth

音乐咖啡厅:Justin Bieber - Down to earth 相关介绍：My World是少年歌手贾斯汀比伯(Justin Bieber)的个人首张专辑，将于11月17日发行。年仅15岁的贾斯汀比伯(Justin Bieber)来自加拿大，是由Usher一手捧红的新

Multiple quakes hit SW China, killing 64

Multiple quakes hit SW China, killing 64 ZHAOTONG, Yunnan, Sept. 7 (Xinhua) -- Sixty-four people have been confirmed dead and 715 others injured after multiple earthquakes struck a mountainous region in southwest China on Friday, authorities said. A

万物简史 第303期:地下的烈火(11)

The most notorious such quakes ever to hit the United States were a series of three in New Madrid, Missouri, in the winter of 1811-12. 在美国经历过的这类地震当中，最著名的要算是1811-1812年冬发生在密苏里州新马德里的一

万物简史 第301期:地下的烈火(9)

The San Francisco earthquake of 1906, for comparison, measured an estimated 7.8 on the Richter scale and lasted less than thirty seconds. 相比之下，1906年的旧金山地震只有里氏7.8级，持续了不到30秒。 Earthquakes are fairly comm