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Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J
(科普英语)Earth and Sky
How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t
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EXPLORATIONS - October 9, 2002: George Catlin, Part 2 By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the Special English program EXPLORATIONS. Today we pre
Explorations
By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. A new exhibit of paintings is being shown at the Smithsonian A
Explorations
By Paul Sisco Washington, D.C. 27 June 2007 After successful careers in the sportswear business, Doug and Kristine Tompkins set out with a passion to preserve the some of the world's last remaining wild places. Today they are among the largest landho
2007年VOA标准英语（六月）
NEW YORK, Feb. 23 (Xinhua) -- NBA upstart Jeremy Lin has applied to the U.S. Patent and Trademark Office to trademark the term Linsanity. According to the trademark regulators' website, Lin filed his application on February 13, a move that would give
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