2007-09-15, Criminal Families
Cape Town, South Africa enjoys one of the world's most striking settings. But like the rest of the country, this city is suffering the pain of violence. The murder rate is nearly ten times that of the US. One of the most dangerous places is Manenberg
2007-09-18, Lightning: 探密-闪电
The image is unmistakable. Lightning is one of the most incredible natural phenomenons and one that scientists are still learning about. It's a common occurrence during summer when the heat of the day is broken by strokes of lightning. Worldwide, it'
2007-09-20, Puffin Lifecycle-角嘴海雀
We are here on Seal Island, off the coast of Maine, to observe the heroic track of one baby puffin to the sea. In order to do that, we'll have to use special infrared video because the track will begin at night. Just because this young puffin is maki
2007-09-22, Legendary Library
They went up in flames, thousands of original works by some of the world's greatest thinkers, not a single scroll survived. Today, 1600 years after the destruction of the great library, Alexandria has built a new library, the Bibliotheca Alexandrina
2007-09-25, The Dinosaur Hunter-恐龙猎人
This is Africa's dinosaur graveyard - the timeless Sahara. This landscape of shifting sands has been reluctant to give up secrets hidden for hundreds of millions of years. But clues lie buried beneath. We are on the trail of a, a number of dinosaurs,
2007-09-27, Baby Red Panda - 小熊猫
Farley is more than just cute, he is a fighter. When he was born, his mother, a first time mom wasn't around to take care of him. Keepers found him just hours after birth. Cold, dirty and hungry. When we first got our look at Farley, we were mostly c
2007-09-29, Golf Grass-高尔夫球场知多少
Millions of Americans enjoy playing golf, but golf courses are not known to be environmentally-friendly. They demand a lot of fresh water, fertilizers and herbicides to keep them looking green. That's true of most golf courses, but let's look at one
2007-10-02, Greenhouse Gases 温室效应
On a restricted site in northern Wisconsin, the hissing you hear is helping scientists see the future. Inside towering rings of pipes, aspen, birch, and sugar maples feed on measured diets of greenhouse gases. Our studies were looking at what forest
2007-10-04, Elephant Baby 象宝宝
Oh, baby elephant you are such a hoot. You are so darn wrinkly and so darn cute whether clowning with your bestest bud,or trying to climb out of the mud, or wrestling on a dry lake bed, or playing with stuff on top of your head. You show us humans we
2007-10-06, Baby sense - 婴儿的感官
Even a visit to the grocery store can overload the senses. It's noisy, bright and smelly. The nose is working overtime. High up inside, specialized nerves dangle in the airstream. They detect chemicals in the air and send an electrical signal to the
2007-10-09, Death Valley - 死亡谷
It's been called the land that God had forsaken, long considered one of the harshest environments on Earth and for good reason. Summer time, ah, we start to hit 100 usually in mid April, ah, and usually (don't) continue with that through, through mid
2007-10-11, Marrakesh - 马拉喀什
If you've ever wondered what makes the cobra dance, this is the place to find out. For Marrakesh's street performers, an ordinary afternoon means out of the ordinary entertainment. Enchanted serpents are just a small part of the action on Djemma el F
2007-10-13, Ultimate Earthquake - 终极地震
The arrival of the P-waves in Valparaiso feels like a long sonic boom. Windows and buildings shudder. Some of the P-waves shoot up into the atmosphere, emitting a frightening roar. The secondary waves follow, carrying most of the earthquake's energy.
2007-10-16, Glass Harp - 酒杯竖琴
For centuries, Prague has been a center of art, and home to great composers. Dvorak, Chopin and Tchaikovsky performed their best works here. Inspired by this musical heritage is Alexander Zoltan, who plays a less traditional instrument - the glass ha
2007-10-18, Molten Lava Lake - 熔岩湖
Called the hellhole of creation, the Afar Triangle lies at the junction of three continental plates which spread further each year. The oldest living lava lake and one of the lowest points on the planet. Geologists here can study the process that for
