He is an expert in nuclear physics.

He went to school with his new schoolbag.

He is an expert in enzymology and conducts many researches.

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

He is an expert in paleoanthropology, studying the lives of ancient humans.

He is majoring in humanities at university.

He is a world-renowned osteologist.

Neuroanatomy is an important field of study for understanding the structure and function of the brain.

We dream of a day when all people can enjoy world peace.

Kaito is my best friend.