More and more wild animals are on the verge of extinction and others are on endangered list. What are the reasons for this? What can be done to solve this problem? Protecting wild animals has always been one of the most vital issues of human being. However, there is an increasing number of...

In some cities people are choosing cars instead of bicycles, while in other cities riding bikes are replacing cars. Why is this the case? Which development do you think is better? Choosing a means of transportation plays a crucial role to human being's life. It is believed that in some...