When autumn rolls around, the leaf peepers come out in force. Armed with digital cameras, they record the most spectacular displays of fall foliage. Well according to a study in the journal Functional Ecology [Toshie Mizunuma et al., The relationship

发表于:2018-12-02 / 阅读(68) / 评论(0) 分类 Scientific American(十二)月

Student Architects Shine in Solar Energy Contest Dreams and designs of young architects are shining brightly in Washington at the bi-annual Solar Decathlon. They have come from around the world, college students combining their education with their i

发表于:2018-12-16 / 阅读(79) / 评论(0) 分类 VOA标准英语2011年(九月)

Endangered Hawaiian Birds Get Second Chance 夏威夷濒危鸟类得到第二次机会 Of the world's nearly 9,900 bird species, 13 percent - one in eight - are threatened with extinction, according to BirdLife International. Among them are two Hawai

发表于:2018-12-16 / 阅读(74) / 评论(0) 分类 VOA标准英语2015年(四月)

Trees Beat Lawns for Water Hungry L.A. 树木击败草坪 成洛杉矶旱灾救星 When California was strangled by drought, the city of Los Angeles was offering home owners cash to replace their lawns with landscaping that was less thirsty. Because

发表于:2018-12-24 / 阅读(87) / 评论(0) 分类 2017年科学美国人(五)月

Do as the Romans Did? 巨蛋始祖:罗马竞技场 Inaugurated1 in A.D. 80 by the emperor Titus, the Roman Colosseum is the earliest prototype of the modern superdome. With a perimeter of 527 meters, 80 entrances, and the capacity to hold between 5

发表于:2019-01-02 / 阅读(108) / 评论(0) 分类 双语有声阅读

PanamaResearchInstituteDedicatedtoEarth'sEcosystem Every year, about 1,000 scientists from around the world visit the Smithsonian Tropical Research Institute in Panama. The Institute is one of the oldest and largest facilities of its kind in the worl

发表于:2019-01-08 / 阅读(91) / 评论(0) 分类 VOA标准英语2011年(九月)

By Alisha Ryu Nyeri, Kenya 22 May 2006 Jack Githae, herbal doctor, is standing next to a young MUIRI tree at his clinic in Nyeri, Kenya For thousands of years, people living around Mount Kenya in the

发表于:2019-01-08 / 阅读(163) / 评论(0) 分类 2006年VOA标准英语(五月)

Light Bulb Inventor Tried to Create Fake Rubber At the turn of the 19th to 20th centuries, the prolific American inventor and businessman Thomas Alva Edison developed devices that changed industry, communication, and everyday life - from a practical

发表于:2019-01-13 / 阅读(100) / 评论(0) 分类 VOA标准英语2012年(六月)

Military Technology Offers Hope for Malaysian Wildlife Government rangers are on night patrol in Belum Tenegor forest - just 12 men protecting the rare elephants, tigers and bears that inhabit this 4,000-square-kilometer wilderness of northern Malays

发表于:2019-01-14 / 阅读(92) / 评论(0) 分类 VOA标准英语2012年(十二月)

Slew of New Products Unveiled at Consumer Electronics Show 新产品亮相消费电子展 For a glimpse into the future, look no further than the International Consumer Electronics Show in Las Vegas. Self-driving shuttles and solar cars are on displa

发表于:2019-01-14 / 阅读(76) / 评论(0) 分类 VOA标准英语2014年(一月)

Ancient Papyrus Reed Could Hold Key to Water Conservation Ancient Egyptians turned papyrus into paper and provided the world with it for thousands of years. Hundreds of thousands of books in the Royal Library in Alexandria and Rome's 58 public librar

发表于:2019-01-14 / 阅读(96) / 评论(0) 分类 VOA标准英语2014年(七月)

Spectacular Cherry Blossoms in Maryland Lure International Visitors Twelve hundred cherry trees line the streets of this neighborhood called Kenwood. The blooms are at peak, and so are the number of tourists who come to gaze at them. This is the firs

发表于:2019-01-14 / 阅读(87) / 评论(0) 分类 VOA标准英语2013年(四月)

美国会大厦圆顶进行翻新修复 The last time the U.S. Capitol dome underwent a renovation was in 1960. Since then, the dome has become weathered and worn and, as the Architect of the Capitol reports,has more than 1,000 cracks and other defec

发表于:2019-01-14 / 阅读(82) / 评论(0) 分类 VOA标准英语2015年(七月)

150-Year-Old US Capitol Dome Being Restored 150年历史的美国国会圆顶将被修复 WASHINGTON The U.S. Capitol Dome in Washington, DC, is recognized world-wide as one of the most enduring symbols of the U.S. government and American democracy.

发表于:2019-01-14 / 阅读(71) / 评论(0) 分类 VOA标准英语2015年(三月)

LULU GARCIA-NAVARRO, HOST: Songbirds have been in decline for decades. And it's becoming clear that climate change is a factor. Now scientists are finding that old-growth forests may help the birds cope with rising temperatures. Jes Burns of Oregon P

发表于:2019-01-17 / 阅读(99) / 评论(0) 分类 2018年NPR美国国家公共电台10月

Rainforests rule! by Julie Bray A world like no other perhaps this is the best way to describe the world of the rainforest. No rainforest is exactly the same yet most rainforests are now distributed in the small land area 22.5 degrees north and 22.5

发表于:2019-01-26 / 阅读(87) / 评论(0) 分类 英语听力文摘 English Digest

Xavier: Thanks for helping me decorate my new apartment. Hey, where are you going? Crystal: Im going to the bedding department. Now that you have a new bed, youll need new bedding. Xavier: Right, okay, but cant I just get some sheets , a couple of pi

发表于:2019-02-08 / 阅读(83) / 评论(0) 分类 地道美语播客