- What is the difference between biodegradable and non-biodegradable waste, and how can each be managed effectively?
- What are the basic principles of Kabbalah and how do they differ from mainstream Jewish beliefs?
- What observations have been made about the supermassive black hole at the center of the Andromeda galaxy?
- What are the trends in atomic size, ionization energy, and electronegativity across a period and down a group in the periodic table?
- How did the domestication of dogs impact their evolutionary path?
- What is the role of consent in the ethics of Aristotle and how does it differ from other philosophers of his time?
- Who are the major figures of the Harlem Renaissance and what was their impact on American art and culture?