The United States stands as the global hub of technological innovation, hosting some of the most influential Information ...

City Connects dramatically lowers the likelihood that a student will drop out of high school. In grades 9 through 12, students who attended City Connects elementary schools beginning in kindergarten ...

A version of this story appears in the September 2020 issue of National Geographic magazine. Philadelphia detected its first case of a deadly, fast-spreading strain of influenza on September 17, 1918.