- What are the major evolutionary stages in the development of modern-day dogs?
- What are the major topics and themes discussed in the Talmud?
- What are the different types of birthmarks and how are they classified?
- What types of stars are present in the Andromeda galaxy and how do they compare to those in our Milky Way?
- What observations have been made about the supermassive black hole at the center of the Andromeda galaxy?
- What was the cultural significance of the Beat Generation and how did their works influence American literature and art?
- What were the main causes of the American Civil War?