They teach the need for farming to improve the environment and make good use of natural resources.

VOA: special.2009.04.14

The first involves sheep. Researchers have found that hair sheep are a good source of blood for use in tests to diagnose infectious diseases in people.

VOA: special.2009.08.03

"I'm scared of copying my personal information to use, like my photos they can use for things which is not good for me, and I'm concerned about that.

VOA: special.2009.09.14