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Some are remain length of the last ice-age, and alpine glaciers are quickly disappearing. There was hard strong evidence that years of rising temperatures are melting away austral gob ice berg glacier. Records here day back to the 19th century, and

发表于:2018-12-05 / 阅读(161) / 评论(0) 分类 国家地理2008年

Water on the Moon Studies in the journal Science report that instruments on three different spacecraft have found evidence for widespread trace amounts of water on the moon. Karen Hopkin reports For all you space buffs who like to keep track of wher

发表于:2018-12-07 / 阅读(157) / 评论(0) 分类 60秒科学

For all you space buffs who like to keep track of where the water is, it looks like you can add our very own moon to your list. Because according to a trio of papers appearing in the journal Science, the lunar surface is wetter than we realized. Fort

发表于:2018-12-24 / 阅读(131) / 评论(0) 分类 Scientific American(九)月

STACEY VANEK SMITH, HOST: This weekend, the Lollapalooza music festival is taking over downtown Chicago. Hometown hero Chance the Rapper is the headliner tonight. He will be grabbing the spotlight. But on the city's North Side, a theater is hosting a

发表于:2019-01-16 / 阅读(105) / 评论(0) 分类 2017年NPR美国国家公共电台8月

STEVE INSKEEP, HOST: Hurricane Florence, which is approaching the Carolinas, is another strong storm. Hurricanes are measured by wind. This one has had recorded speeds of up to 140 miles per hour. But whenever it makes landfall, the real danger may b

发表于:2019-01-17 / 阅读(128) / 评论(0) 分类 2018年NPR美国国家公共电台9月

Woman's Body Found in Lake 12 Years After Disappearance The body of a Florida woman who vanished on her way to the airport 12 years ago has been found at the bottom of a lake near her home, police said Friday. Gail Schoening of Broward County was a m

发表于:2019-02-03 / 阅读(132) / 评论(0) 分类 阅读空间

By Lisa Schlein Geneva 10 October 2007 The international humanitarian organization Doctors Without Borders says it is launching a worldwide appeal aimed at getting donors and governments to support a campaign to provide ready-to-use food to malnouris

发表于:2019-02-08 / 阅读(134) / 评论(0) 分类 2007年VOA常速英语(十月)
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