He earned a doctorate in the field of applied science.

My father is an expert in urology.

We are planning to go to the science museum this weekend.

Sexology is the scientific study of human sexual behavior and sexuality.

Humanities is an academic field that studies human culture and society.

He is a world-famous scientist.

He is an expert in planetary science.

He is spending a lot of time on experimental research.

Cerebrospinal fluid plays an important role in protecting the brain and spinal cord.

This compound has a tetrahedral molecular geometry.