We are focusing on the research and development of new products.

I conducted a research project as a summer vacation homework.

He proposed a new theory about cosmology.

He is an expert in syntax and has written many papers.

He is reading a book about the theory of evolution.

He is an atheist, denying the existence of God.

He strongly supports realism in philosophy.

He wants to learn deeply about set theory.

Phonology is a branch of linguistics that studies the system of sounds and their functions.

He is an expert in cryptography and is involved in the development of security systems.