In Kenya, a Massaai elder is changing cultural practices that could help HIV infections spread. Learn how education and traditional customs affect the spread of diseases in Africa. This is Kibera, a slum in Nairobi, Kenya, home to about 1 million pe

发表于:2018-12-30 / 阅读(233) / 评论(0)

国家地理2008年

国家地理-2008-04-28 Mount Kilimanjaro 乞力马扎罗山

It is called the Roof of Africa. Rising 19,340 feet nearly 4 miles into the sky, Mount Kilimanjaro is the highest point on the entire African continent. Located in northeastern Tanzania in east Africa, Mount Kilimanjaro is about equal distant from C

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国家地理2008年

国家地理-2008-04-30 Farm Restoration 农场变湿地

Dale Aden has been farming most of his life, just like his father, and his fathers father. I am a third generation farmer on this land. His land is in Okabena, Minnesota, right along the Okabena creek, where for many years, Aden watched helplessly a

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国家地理2008年

国家地理-2008-05-03 Planetary Life After Death 浴火重生的行星

Like a phoenix rising from the ashes, astronomers have found a whole new solar system may be forming in the wake of a star's violent death. This is the Hidden Universe of the Spitzer Space Telescope, exploring the mysteries of infrared astronomy wit

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国家地理2008年

国家地理-2008-05-05 Vampire Bats 恐怖的吸血蝙蝠

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 s

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国家地理2008年

国家地理-2008-05-08 Coral Reefs 岌岌可危的珊瑚礁

The waves of these azure seas hide an abundant treasure. Below the waves, coral reefs provide a habitat for teeming life, a life with a kaleidoscope of color. In oceans around the world, clear and well-circulating waters encourage corals to anchor a

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国家地理2008年

国家地理-2008-05-11 Fighting Fire with Fire 以火攻火保护森林

It's been protected from human impact since 1909. With three million acres, nearly a half million under water, Superior National Forest is largely unspoiled. But now the survival of this national treasure rest with those who would see some of it bur

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国家地理2008年

国家地理-2008-04-17 New Search For ET 寻找外星人（上）

Is anyone out there? For over 40 years scientists have been searching for extraterrestrial intelligence, but theyve found nothing. Now the new Allen Telescope Array, a string of 350 radio telescopes, is being built 300 miles north of San Francisco a

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国家地理2008年

国家地理-2008-04-12 Alternative Energy 可替代能源

When the wind picks up at the foot of the Rockies, there are those who believe they can hear the future. At the National Renewable Energy Laboratory, making alternative power sources competitive with fossil fuels has been a mission since the energy

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国家地理2008年

2008-12-18 老乌龟传宗接代不容易

Hopes are fading that lonesome George, a unique giant Galpagos tortoise, will become a father. George lives in the Galpagos National Park in Ecuador and is believed to be the last living member of its species. Conservationists are anxious to ensure

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国家地理2008年

2008-12-22 希律王陵墓现世

Israeli archeologists excavating what they believe is the tomb of biblical King Herod, Said on Wednesday theyve unearthed lavish Roman-style wall paintings of a kind previously unseen in the Middle East. They also say they have found signs of a rega

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国家地理2008年

2008-12-15 重现人间的斑驴

The plains zebra is a close relative of the quagga, extinct since 1883. But according to members of the Quagga Project in Cape Town, South Africa. The foal seen running with its herd of plains zebras is a quagga. His name's Harley and he was born in

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国家地理2008年

2008-12-13 太阳能墓园

Catalans are famous throughout Spain for their spirit of innovation. That ingenuity has recently been extended to the creation of what, the Associated Press reports, is the Barcelonan area's largest solar energy plant. The solar panels have been ins

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国家地理2008年

2008-12-25

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国家地理2008年

2008-12-11 白狮子回归自然

White lions are roaming the African plains once again. Over the past decades, few sightings were reported of these rare big cats in their natural environments. And South African white lions could only be seen in breeding programs and circuses. Now t

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国家地理2008年

2008-12-08 古罗马帝国的“宝石”

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 conque

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国家地理2008年

2008-12-06 墨西哥“水怪” 濒临灭绝

Beneath the tourist gondolas on Lake Xochimilco in Mexico lives a creature that resembles a monster. Known as the water monster or Mexican walking fish, the axolotl is type of salamander. The Ambystoma Mexicano, this species, is the axolotl of Xochi

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国家地理2008年

奥巴马每周电视讲话经济道路上的十字路口

Weekly Address: President Obama: GOP Leadership Standing up for Outsourcing and Special Interests, Instead of American Workers 每周电视讲话:奥巴马总统:共和党领导层代表的是海外企业和特殊利益集团的利益而不是美国劳

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奥巴马每周电视讲话

奥巴马每周电视讲话伊拉克的作战任务告一段落

Weekly Address: President Obama: As the Combat Mission in Iraq Ends, We Must Pay Tribute to Those Who Have Served 每周电视讲话：奥巴马总统：随着伊拉克作战任务的结束，我们必须向为国效劳的人们致敬！ WASHINGTON I

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奥巴马每周电视讲话

奥巴马每周电视讲话共和党团体抢班夺权

Weekly Address: President Obama Castigates GOP Leadership for Blocking Fixes for the Citizens United Decision 每周电视讲话:奥巴马总统斥责共和党领导层阻挠修正公民联合裁决 WASHINGTON In this weeks address, President Obama c

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奥巴马每周电视讲话