Title: Ottoman Empire.
Question: Who was the father of Osman I?

Title: Washington University in St. Louis.
Question: What name was selected by the Board of Trustees in 1854 for Washington University?

Title: Adolescence.
Question: Why do research findings believe the Internet has a negative effect on teen physical health?

Title: Mosaic.
Question:
The Norman kingdomwas in what italian city state?