- What factors influence the chemistry of geothermal waters in volcanic areas?
- How did the Louisiana Purchase affect the founding and development of western states?
- What is the chemical composition of snake venom and how does it vary between different species?
- How did the Transcendentalism movement influence American philosophy?
- What was the role of temples in property ownership in Mesopotamia?
- What are the main causes and risk factors for gum disease?
- What are the adaptive advantages of tail physiology in various animal groups?