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[国家地理] 国家地理:Brave Bear 北极熊觅食记
In Northern Canada, winter slowly loosens its grip, and a young polar bear is hungry. It sniffs a meal already in progress, and decides to play a dangerous game, a food snatch. His opponent is larger2008-11-11 编辑：echo
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[国家地理] 国家地理:Panda Sensed Earthquake 熊
Did the pandas in China’s Wolong Reserve know that Monday’s earthquake was coming before it hit? A British tourist watching the pandas as the quake struck offered a keen observation."They had b..2008-11-10 编辑：echo
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[国家地理] 国家地理:Fuel Cell 聚焦燃料电池
For something that could revolutionize the world, it’s come along very slowly. The fuel cell was invented in 1839, but there was little development until the 1950s when NASA started to use them in s2008-11-08 编辑：echo
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[国家地理] 国家地理:World Food in Crisis
It’s being called the world’s worst food crisis since the 1970s. Around the globe, food prices have risen about 40% in the last year, sparking protests and violence in at least 14 countries, and pu2008-11-08 编辑：echo
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[国家地理] 国家地理:Bangladesh Cyclone 强热带风暴席卷孟加拉国
Hundreds of thousands of people in Bangladesh, victims of the worst cyclone to hit the country in a decade were desperately awaiting aid on Monday as the official death toll climbed to over three tho2008-11-07 编辑：echo
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[国家地理] 国家地理:Tornadoes 龙卷风的形成
Call them twisters or tornadoes. They are nature's most violent storms with swirling winds that can top 300 miles per hour. About 800 twisters sweep through the US every year, more than anywher..2008-11-06 编辑：echo
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[国家地理] 国家地理:Wenchuan Earthquake 汶川大地震
On Monday, an earthquake in China measuring 7.9 on the Richter scale occurred along a fault where south Asia pushes against the Eurasian Landmass, smashing the Sichuan Plain into mountains, leading t2008-11-05 编辑：echo
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[国家地理] 国家地理:Earthquake 地震的危害
April 18, 1906, California's San Andreas Fault snaps, shaking San Francisco for nearly 60 terrifying seconds .When the trembling stops, the disaster is only beginning.Gas lines rupture, setting..2008-11-04 编辑：echo
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[国家地理] 国家地理:Wolf Hunting Tactics 合作至上
We are here in Yellowstone National Park to follow some grey wolves and observe the deadly brilliance of the pack. They’ve learned to cooperate, hunting their prey with many acting as one pack.This2008-11-03 编辑：echo
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