Science
Astronomy - The study of heavenly bodies, its position, and patterns.
Astrophysics - The study of the chemical and physical nature of heavenly bodies.
Biology - The study of life and nature.
Botany - The study of plant life. Basically a branch of biology.
Chemistry - The study of chemicals and its reactions. Allow the character to produce various chemicals.
Physics - The study of motion, matter, energy, and their precise relationships.