Probing moon formation
These questions focus on ideas about the origin of Earth's moon and evidence that supports various explanations of its formation.
Biomolecules from many angles
These discussion prompts cover molecular structures and properties of sugars, proteins and lipids, as well as questions related to the immune system and cancer.
Corals across the disciplines
These discussion prompts cover coral reproduction, photosynthesis and respiration, greenhouse gases, fluorescence and how communities can minimize their impacts on reefs.