In the years following the revelation of the Koran, Muslims were pioneers in the fields of astronomy, math, physics, and medicine. They led the way to new discoveries at the same fast pace that the Islamic nation was spreading. Being well versed with the Koran, they used the information it provided to learn about the world around them. The Koran proved to be a handy reference for a vast array of topics, such as embryology, geology, and astronomy. It is still being studied today for tips and insights.