The impact of the unequal treaty is still deeply rooted in our society.

Her behavior seemed mysterious.

His father was diagnosed with schizophrenia in the past.

He is an expert in nuclear physics.

My brother is a famous biologist.

Infrared astronomy plays a very important role in the study of the universe.

He is an expert in molecular biology.

I am majoring in developmental biology at university.

He is an expert in astrophysics.

Biotechnology is a science that understands the mechanisms of life and utilizes them.