Essays / Parapharing - Need Help [2]

Hi everyone. I am new in this forum. please someone help me by doing the paraphrase on this paragraph.
"The Smithsonian Institution is an independent establishment dedicated to the increase and diffusion of knowledge. It is a great complex of museums and art galleries, scholars and experts in many fields. It is devoted to public education, basic research, and national service in the arts, sciences, and history, with major facilities in Washington, around the country and overseas".