Pakistan's Prime Minister Syed Yusuf Raza Gilani on Tuesday urged the Muslim Nation to join hands in initiating projects in the fields of science and technology to meet the challenges of 21st century. The Prime Minister was addressing the inaugural session of the 14th General Assembly meeting of the OIC Standing Committee on Scientific and Technological Cooperation (COMSTECH) here at the Jinnah Convention Centre. The two-day General Assembly meeting will study a number of scientific projects including a mega project initiative that aims at pooling diverse capabilities, resources and expertise of the member states of the Organization of Islamic Conference (OIC), the Associated Press of Pakistan reported. The Prime Minister said, “We live in an age of scientific innovations and technological advancement. In the knowledge-based societies of the 21st century only those nations could aspire to lead which excel in science and technology.”