He is an expert in paleozoology and has a deep knowledge about the ecology of dinosaurs.

He majored in comparative literature and learned about many cultures.

He has a deep interest in archaeology.

He is an expert in analytical mechanics and deeply understands its theory.

He is majoring in electrical engineering.

He is majoring in civil engineering.

I am very interested in natural science.

Statistical mechanics is a branch of physics that provides a theoretical framework for understanding macroscopic phenomena from a microscopic perspective.

Abstract algebra is a branch of mathematics that studies algebraic structures.

Music therapy is very effective in reducing stress.