含中文字幕节目   

Keywords:

In some ways,the nineteen eighties seemed like the opposite of the nineteen sixties.The sixties were years of protest for social justice and change.Many Americans demonstrated against the Vietnam War....

Keywords:

United States. Environmentalism under fire. Soaring emissions. The rhetoric about environmental controls killing jobs is getting louder and louder. Isn’t it strange, Republicans retort, that peop...

Keywords:

Squyres: Spirit is now hunker[ed] down due to winter. Spirit is deep in the southern hemisphere of Mars and what that means is winter is pretty tough, and so what we've done is we have parked the vehi...

Keywords:

Have you ever been in an argument about nuclear power? We have, and we found it frustrating and confusing, so let’s try and get to grips with this topic. [Intro] It all started in the 1...

Keywords:

War. Fighting. Hate. Prejudice. Peace. Understanding. Respect. Tolerance. November 16 is the International Day for Tolerance. But what exactly does the word “tolerance” mean? The group interna...

Keywords:

Fat cats and corporate jets. Why is it so unrewarding for politicians to bash the rich in America? THE corporate jet gets a lousy press. In the James Bond classic, “Goldfinger”, the eponymous vill...

Keywords:

Steve: Hi Dr. Gaby, how are you? Gaby: I'm very well, thanks Steve. Steve: Enjoying the cruise? Gaby: I am having a terrific time. Yeah, this is too much fun. It's going to be hard to go home...

Keywords:

So at equilibrium, at your normal weight, leptin is made and you're eating different types of food. Now let's imagine you were starving or you went on a diet, your fat mass would contract ...