He is writing a thesis on the theory of general relativity.

He always proactively suggests new ideas.

He is interested in ancient divination techniques.

He is studying the traditional Baijiaxing (Hundred Family Surnames) of China.

General relativity is a theory of physics proposed by Einstein.

He solved the problem in a scientific way.

This reaction occurs through a chemical process.

He is good at tactical thinking.

He exercises every day and leads a healthy life.

Fundamental knowledge of mathematics is necessary to solve advanced problems.