n 450 B.C. Herodotus, a Greek historian, realized that an ocean had at one time covered what was then an Egyptian desert. A change in sea level had exposed the graveyard of ancient sea creatures. But could the ocean have been so deep as to have left shells sitting on a mountain peak?
One hundred years later a student of Aristotle named Theoprastus thought that the fossils had originated from eggs or seeds that had been "planted" in the mountain rocks. Almost 2,000 years ago, Strabo speculated that it was the "rocks' themselves that had risen...carrying the bodies of aquatic animals with them.
http://www.stpaul.gov/index.aspx?NID=1562This is a thousand years before Islam. Is it not arguable that there was not actually an Islamic Golden Age - and why the 400 year gap from the final revelation?
The thread on strange things in the hadith quotes a belief that the sun will rise in the same place it set. I'm sorry, this looks to me like real stagnation in thinking, not developing skills.