含中文字幕节目   

Keywords:

The structure of DNA that Watson and Crick discovered suggests how genetic information is passed on. Before a cell divides the double helix unwinds and the two strands of the DNA molecule in the nucle...

Keywords:

Europe. Germany's victorious Greens. A greener future? Two state elections have upturned German politics. THE Greens are the “against party”. They are against a flashy rail project in Stuttgart, a...

Keywords:

How many musical instruments can you hear playing? A guitar maybe? It sounds like someone’s fingers are moving up and down strings on a guitar. And drums - maybe Indian drums - bongos? You can hear a ...

Keywords:

Professor Bamforth—great to talk to you. Bamforth: It's nice to talk to you. Steve: What is beer? Bamforth: Beer is a fermented beverage based on malted cereals and spiced with hops and fermentatio...

Keywords:

We know that DNA makes people and plants and puppies. So why not robots? Could it be possible to make tiny robots out of DNA? In 2006 Paul Rothemund found a way to make all sorts of tiny shapes ...

Keywords:

Ballet is a formalized kind of dance performance with a rich and interesting history.The word "ballet" comes from the French language,and is based on the Italian word"balletto.""Balletto" means a litt...

Keywords:

Britain. Anti-bribery laws. Palms ungreased. A long-delayed anti-bribery law will soon come into force. THERE is a lingering assumption among Britons that their country stands for probity and fa...

Keywords:

Hi John—how are you? Rennie: Hi Steve—just fine. Steve: You were at this conference and you were on a panel discussing peer review. Rennie: That's right! Steve: Let's talk about what peer review i...