标签：自然百科 相关文章
Some of these mountains in northern Mozambique have never been studied by scientists until now. The British government funded Darwin Initiative has sponsored a series of expeditions to five northern Mozambique(莫桑比克) mountains. Scientists have
自然百科2009年
Well, the story of the earth spin goes back all the way to the origin of the solar system, four and a half billion years ago. The solar system started out as a cloud of gas and dust. And these gas and dust clumped together to form the sun and the var
自然百科2009年
Autumn in the Rocky Mountains, a time of change. Aspens turn golden and the bull elk, in the midst of their mating season, work hard to catch the eye and ears of the ladies. Up in the highest peaks, another call rings out. It's the pint-sized prince
自然百科2009年
Every fall, this herd of pronghorn antelope treks more than 100 miles from Grand Teton National Park to their winter habitat in the Upper Green River Valley of Wyoming. This phenomenal migration, one of the longest in North America, has been taking p
自然百科2009年
NASA has accomplished another first. I guess my summary is really cool. Today we kicked up some moon dusts and all indications are.. its going to be a very interesting set of results. As we, uh, approach very rapidly the surface of the Cabeus crater.
自然百科2009年
From the sculpted beauty of dessert dunes to the undersea realms of the Persian Gulf, the United Arab Emirates is a study in contrast. And while most people associate Arabia with desert life, the region is in fact teeming with marine animals as well,
自然百科2009年
Here are some happy vampire bats. What's causing all this giddiness? A great, big, fat meal has arrived. You can practically hear these bats going Oh, boy! Oh, boy! Better yet, the victim is asleep. This is gonna be like, well, taking blood from a sl
自然百科2008年
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 t
自然百科2008年
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, th
自然百科2008年
Her name is synonymous with beauty, power, intrigue and ultimately tragedy. In 69 BC, Cleopatra was born into Egypt's Ptolemaic Dynasty, a dynasty in decline and under the protection of Rome. At the age of 18, she assumed the throne along with her yo
自然百科2008年
Archeologists are hoping to attract tourists to one of the jewels of the Roman Empire. Viminacium was the most important city in the Roman province of Upper Moesia. The city was located in what is today, Serbia. It's believed the Romans first conquer
自然百科2008年
From tip to tip, its wings stand eight feet. This superb blighter can soar almost e* 24 hours a day. Waiting in this bustling, the troublous of hundreds of thousands of birds, her mate shores up the nest from last year's breeding. And after seven lon
自然百科2011年
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自然百科2012年
With hundreds of peaks over 7,000 metres and 13 peaks higher than 8,000 metres, they are the highest mountains on earth. The Tibetan region contains over 35,000 glaciers that cover over 100,000 square kilometres. They comprise the largest area of ice
自然百科2010年
The Tibetan Plateau is a quarter of China. Much of it is extremely remote and inhospitable. Its southern border runs through the worlds highest mountain range--the formidable Himalayas. Its central part is a wind-swept and freezing wilderness, the si
自然百科2010年
Our next destination could easily be described as a piece of paradise-- Costa Rica. It is a favorite get-away for both eco-trekkers and the surf set. Now if you are looking to enjoy a bit of the good life, for as they say Costa Rica, la Puda Vida, th
自然百科2010年
Nothing whets the appetite for a road trip quite like America's Wild West. Plan your trip along the Colorado River Scenic Byways and you'll be treated to a natural spectacle like no other. Just take U-9 Zion Park Scenic Byway, ride into Zion National
自然百科2010年
Outsiders call it peyote. The Huichol, an indigenous tribe in western Mexico, call it hikuri, and they teach their children to use it. While most societies outlaw this consciousness-altering drug, Mexico permits the tribe to use it as the central exp
自然百科2010年
Althoughit has become a tourist town, the islands in a place where things are donejust a little differently. Itsknown for its literature from Ernest Hemmingway to Tom Corporate Key West hasalways been a favorite siting for authors. Thestory of the Ke
自然百科2010年
Little Emilia may not know it, but she played a role in the fateful circumstances that saved her family and relatives from serious injury and possibly much worse. It was her baptism that brought the family together in this picturesque region of Chile
自然百科2010年