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Abstract: Thousands of years ago， in most parts of the world， pearls were the first gem that primitive cultures came across and...

Country: America Duration: 60 mins Viewers: 741

Abstract: As an old saying goes， “If you live with a lame person you will learn to limp.” In this program， we shall...

Country: America Duration: 26 mins Viewers: 740

Abstract: Why do Americans say the Pledge Allegiance? Why does the American flag has stars and stripes? Why do Americans have f...

Country: America Duration: 25 mins Viewers: 727

Abstract: A lot of people die of infectious diseases in Africa. In fact， many of theses diseases can be cured. However， people ...

Country: America Duration: 30 mins Viewers: 699

Abstract: This is a documentary about overconsuming.The developed countries with small population have consumed most of the ene...

Country: America Duration: 60 mins Viewers: 684

Abstract: During his first term， the republican majority challenged the president Bill Clinton on everything from health care r...

Country: America Duration: 28 mins Viewers: 667

Abstract: Medically， cretinism means you are retarded in mind， you are grossly mentally retarded. For severe cretinism， people ...

Country: America Duration: 30 mins Viewers: 666

Abstract: Croatian culture flourishes in the shadows of war. Landmine devastated entire region in Angola. Your powers combine —...

Country: America Duration: 35 mins Viewers: 660

Abstract: Setting domestic policy is one of the chief ways the government solves the nation’s problems. Domestic policies...

Country: America Duration: 29 mins Viewers: 658

Abstract: We can now talk to anyone， anywhere at any time of day. Because of this we are generally aware that the time in Engla...

Country: Australia Duration: 16 mins Viewers: 576

Abstract: What factors restrain the development of human society? Industries develop unevenly worldwide and people from differe...

Country: Australia Duration: 31 mins Viewers: 328

Abstract: In countries all over the world huge numbers of people are moving from rural areas to cities. This trend is known as ...

Country: Australia Duration: 20 mins Viewers: 280

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