国家地理:Inside the IRS 美国国税局

So while the thought of paying taxes can make some of us groan, it's unavoidable, and an integral part of being an American. This is part of being a member of this society. You have an obligation -- it's a price you're paying for living in this socie

国家地理:Wild: Battle of the Bears 熊族内战

A steep sided forest, rapidly narrowing as it descended, it was a place that immediately made Madison nervous. It's a kind of place that just intrinsically leaves you feeling ill at ease because there's not much of an easy way to get out, once you ge

国家地理:Wild: Whale Attack 鲸鱼攻击

Then as we got closer, I could see what it was. It was a California gray whale cow. The California gray whale is one of the largest animals on the planet. A fully-grown female known as a cow can easily weigh up to 35 tons, the equivalent of eleven fe

国家地理:Killer Lakes 　杀人湖

Volcanic gases escape from the magma . They percolate through the earth crust and into the atmosphere. Professional geologist, Charles Watson, investigates the risks at Horseshoe Lake close to Mammoth's main resort. There is a quiet, silent killer th

国家地理:Green: Bathroom 　盥洗室节水计划

Hi, I am Paddy Kim. Whether you're getting ready to take on the morning, or just soaking in the shower at the end of a long day, the bathroom can be a retreat from the world, but it's also where over 60 percent of the water used indoors gets consumed

国家地理:The Silent Stalker 安静的捕杀者

Under the influence of rabies, even docile animals often become dangerously aggressive and bite without provocation. Since the virus often concentrates in the saliva of the infected animal, a single bite can pass it on directly into the blood of the

国家地理:Predators behind bars 监狱生死门: 牢笼恶兽

Albert has been a Crip since age 12. He is one of the first generations of the Los Angeles based Gang, a group known as the Original Baby Gangsters. His seniority puts him near the top of the Crips' national hierarchy. Here in Lebanon, he runs a crim

国家地理:Blue Cows 　印度蓝牛

Dusk in rural India, farmhands sweep the land trying to drive away an animal that is threatening their livelihood. It's called nilgai or blue cow. In Rajasthan, nilgai roam in the hundreds, consuming anything and everything in their path, especially

国家地理:Wings Over The Gulf 波湾战机 - 4

Hundreds of coalition airplanes were in the sky at any one time. Airborne warning and control system airplanes better known as AWACS kept air traffic straight. Largely thanks to AWACS there were no air-to-air friendly fire incidents during the Gulf W

国家地理:Acorn Woodpecker 橡树啄木鸟

Tragedy has produced opportunity among the acorn woodpeckers here in California's Carmel Valley. The second of two breeding females in this particular communal group has been killed, probably by the birds of prey that kill one in five of the acorn wo

国家地理:Sea Otters in Danger 拯救海獭

For several years something mysterious has been plaguing sea otter populations off the coast of California. The animal may have seizure s, it may shake, it may act like it's weak, uh, it may not seem like it's very aware of its surroundings, and it m

国家地理:CSI: Crime Scene Cleaners CSI: 现场清理工

After the call to 911, once the cops and the coroner have gone, things must be put back in order, even when things will never ever be the same. It's gruesome work, but someone's got to do it. When a life ends in the worst possible way in the vicinity

国家地理:Wings Over The Gulf 波湾战机 - 3

(There's also a piece of safety wire that, em, showed up on the X-ray. So we have to...) In fact just the opposite proved true, the number of air planes ready to fly at any given time actually increased during the war. F-15s went from an 85 percent p

国家地理:Bite Force 咬合力

You get me a bigger one? We got one more guy to try. Alright. And he is, he is a locked animal, so let's see what we can do. Peggy takes me to the biggest most aggressive wolf here. He is over a hundred pounds. So that is a big male. This wolf lost i

国家地理:Wings Over The Gulf 波湾战机 - 1

January 1991, an F-15 pilot on combat-air patrol sweeps the skies of Iraq. Sheridan, I'm Captain Medrimans, Captain in the 27th fighter squadron, flying in F-15 over Iraq. Today's been a mixed sweep, we started from the central, swept up for Bagdad,

国家地理:Family Feuds: Impala Turf Wars 领土之战

A forest of umbrella thorn acacia trees in northern Tanzania provides shelter and sustenance for a wealth of animals. In this crowded paradise, property is hotly contested at all levels. Male impala , eager to challenge for a territory, build up stre

国家地理:Man Stops Bear Attack 丛林奇遇

Jacqueline is at the table as Mark slips behind the tent to change his clothes. Suddenly a dark shape appears from behind the brush, heading towards Jacqueline--a black bear. Just as Mark shouts a warning, Jac, bear, the attacker strikes. Blink of an

国家地理:Green: Living room 客厅节电计划

Hi, I'm Paddy Kim. From home theaters to plush sofas, hands down the family room is the coolest place to relax. But what makes this area such an amazing retreat for entertainment could also be adding dollars to your power bill and be affecting your h

国家地理:Wings Over The Gulf 波湾战机 - 5

Threat posed by Iraq's Scud ballistic missiles. Militarily, Scuds were insignificant. But politically, Scud attacks on Israel and Saudi Arabia could have torn the coalition apart. The political importance of hunting down the Scuds was so great that t

国家地理:Child Marriage 印度童婚

Wedding season in North India is a popular time to break the law. Child marriage is a union outlawed by the state and it's about to seal the fates of four youngsters. The Panjiya family plans to marry off two daughters. Thirteen-year-old Bendu and he