For something that could revolutionize the world, its 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 space where they are still used today. Now, after yea

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国家地理2008年

国家地理-2008-05-26 World Food in Crisis 粮食危机搅动世界

Its being called the worlds 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 pushing the problem to center stage at the United Nation

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国家地理2008年

国家地理-2008-05-22 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 thousand. With relief aid pouring in, rescue teams ba

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国家地理2008年

国家地理-2008-05-19 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 anywhere else in the world. The hardest-hit area is a swath of

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国家地理2008年

国家地理-2008-05-17 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 to the Tibetan highlands. In 1989, the Loma Prieta

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国家地理2008年

国家地理-2008-08-14 环保教堂

At Madison Christian Community, they gather each Sunday to worship a higher power. These days, seeing the light means much more. My prayer now is God, let your light shine in my life. So, I am always happy when the sun is shining. Pastor Jeff Wild a

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国家地理2008年

国家地理-2008-07-28 温室效应导致花种减少

In the Rocky Mountains of Central Colorado, the forces of nature create a landscape of alpine lakes, high-altitude ponds teeming with life and mountain meadows bursting with wild flowers. It is amidst these beautiful wildflower fields that one scien

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国家地理2008年

国家地理-2008-07-31 不凡的沙滩救生员

Imagine a summer weekend on a California beach dense with bodies. But for one onlooker, this seemingly calm scene may be a series of accidents waiting to happen. How does a lifeguard know when a raised arm means I need help, not hey,this is fun? The

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国家地理2008年

国家地理-2008-08-04 海湾地区重兴珍珠采集业

Tucked away in the United Arab Emirates northernmost region, a very delicate experiment is underway to bring some luster back to the regions pearl industry. Since 2005, one company has been cultivating pearls commercially, the first such modern oper

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国家地理2008年

国家地理-2008-08-07 蒙古族生活日渐消失

The herdsmen of Inner Mongolia have freely roamed the plains for many centuries with their livestock grazing on fertile grasslands stretching across the horizon. But now their age-old customs are being stamped out because of relocation the Chinese g

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国家地理2008年

国家地理-2008-08-09 黑峡谷国家公园

The warm glow of the summer morning settles on the slopes of western Colorado. But as the sun climbs higher, deep shadows shield the landscape that remains dark and forbidding. It is among the nation's deepest, steepest and narrowest canyons. You ma

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国家地理2008年

国家地理-2008-08-11 特立尼达岛上的独特鸟类

Dawn on the tropical island of Trinidad. Birds are arousing in the trees, calling, flashing brilliant colors amidst the endless shades of green, and Roger Neckles is arousing too. For the last decade, he has been documenting the island's winged inha

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国家地理2008年

国家地理-2008-08-16 火烈鸟与狒狒

This is East Africa, the Great Rift Valley, a land in constant upheaval. The flamingos and baboons here at Lake Bogoria live in harmony. They share this landscape and all it has to offer. They may not be compatible. But in the midst of Bogoria's bou

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国家地理2008年

国家地理-2008-08-18 退田护河

Transcript by myconsent (special thanks to fionainnicemood) Out of the Blue Ridge Mountains in northwest Georgia, the cold waters of the Conasauga River descend toward Tennessee. Flowing back and forth across the state line, the River's abundant wil

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国家地理2008年

国家地理-2008-08-21 鸵鸟蛋·豺狼·秃鹰

Here we are on the Serengeti Plain in Africa, where an ostrich has abandoned an egg and a hungry jackal means to make a meal out of it. What weve got here is a highly motivated animal trying and failing to figure out this culinary conundrum. Its jus

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国家地理2008年

国家地理-2008-08-23 沼泽国家公园

The Florida Everglades are home to alligators, dozens of bird species, beautiful flowers and exotic plants. It's easy to see what attracts people to these places. But Florida's population growth, coupled with farms that require a never-ending supply

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国家地理2008年

国家地理-2008-08-25 南极生存大作战

In Antarctica, everyday is (an) Olympic one. These Emperor Penguins are near the end of a two-week fishing marathon, bringing food for their hungry chicks, waiting miles away. But a challenger threatens the entire competition. A Leopard Seal waits a

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国家地理2008年

国家地理-2008-08-02 阿尔卑斯山见证气候变化危机

Its time for these men to get ready for work, and work means hanging off a cliff at 10,000 feet. High in the Austrian Alps, these men are trying to rescue a historic weather station from the weather itself. It was a couple of years ago, we saw this

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国家地理2008年

国家地理-2008-08-28 盂兰盆节的“醉汉舞”

Celebrations in honour of the dead take place in July and August in Japan. Prayers are set and graves are tended during the festival of O-Bon. In Tokushima city around 100 thousand costumed people dance in the streets. This is an incredible scale, t

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国家地理2008年

国家地理-2008-08-30 残疾乌龟重获自由

Arava, the disabled tortoise is using her new set of wheels to get around in more ways than one. Keepers at the Jerusalem Biblical Zoo say the 10-year-old Spurred Tortoise was fitted with custom wheels to overcome paralysis of her hind legs. The 55-

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国家地理2008年