Some people think that in order to continue improving the quality of high school education, students should be encouraged to evaluate and crit...
Young people do not spend their holiday and weekend doing outdoor activities like hiking and climbing in natural environment. Why? How to enco...
In some countries around the world men and women are having children later in life. What are the reasons for this development? What are the ef...
Many animals are endangered. Some people argue that we should only protect animals that are useful to human. To what extent do you agree or di...
