含中文字幕节目   

Keywords:

India’s sex ratio is getting worse. The trend can be reversed. THE news from India’s 2011 census is almost all heartening. Literacy is up; life expectancy is up;family size is stabilising. But ther...

Keywords:

More than eight hundred and fifty million [850,000,000] people in the world do not have enough to eat. Hunger and poverty claim twenty five thousand [25,000] lives every day. These reports are fro...

Keywords:

Walter: You know there is a famous or infamous quip, you know, that Scott McNeilly who was the founder and is the CEO of Sun Microsystems made a few years ago, and he said, "Privacy is dead, get over ...

Keywords:

The millions of bases, which make up the human genome, are organized into structures called chromosomes. These are arranged into 22 matching pairs, plus one pair of sex chromosomes, con...

Keywords:

Books and arts. Book review. The Mediterranean. The devil and the deep blue sea. History’s most important sea. The Great Sea: A Human History of the Mediterranean. By David Abulafia. DAVID A...

Keywords:

Health experts have long noted the importance of physical activity.Exercise not only improves your appearance.It can also improve your health.Exercise helps to reduce the risk of some diseases.They in...

Keywords:

Steve: Hi Professor Bell. How are you doing today? Bell: I am fine Steve. It's great to be here. Steve: Good to talk to you. So first of all, you are the leader of the Pancam Team on the planet Mars...

Keywords:

In the early 1930s there was a territorial dispute between Denmark and Norway over who should have the right to East Greenland. Both Denmark and Norway, they made a lot of aerial mapping. They t...