1) The world's oldest university, Al-Qarawiyyin, was founded in 859 AD and is located in Fez, Morocco.

2) The word "piano" contains three vowels: I, A, and O.

3) The study of fossils is called paleontology, and it helps us understand the history of life on Earth and the process of evolution.

4) Cyclones, also known as hurricanes or typhoons, are powerful tropical storms characterized by low-pressure centers and strong winds.