- How do undercurrents in the seas affect marine ecosystems?
- How has US immigration policy changed in recent years and what impact has this had on immigrant rights?
- What role does piracy play in the security of maritime trade routes?
- How does the process of seafloor spreading contribute to plate movement?
- What are the trends in atomic size, ionization energy, and electronegativity across a period and down a group in the periodic table?
- How do robotic sensors and actuators enable autonomous navigation?
- How did the Assyrian Empire interact with other ancient civilizations such as Babylon and Egypt?