Health & Human Development
Human development and relationships, fitness & nutrition, disease & prevention, consumer awareness, psychological disorders & addictive behaviors, intentional injuries & violence.
Environmental Science
Ecological concepts (ecosystems, global ecology, food chains and webs), environmental impacts, environmental management & conservation, and political processes & the future.
Astronomy
Celestial mechanics, celestial systems, astronomical instruments, the solar system, nature & evolution, the galaxy, the universe, determining astronomical distances, and life in the universe.