Radioactive elements are produced in nature and scientific experiments.

He has a deep interest in empirical science.

I am very interested in natural science.

This rock is radioactive, so care must be taken when handling it.

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

We formed a team to create a new project.

This software generates new ideas.

Education about sex is very important.

We conducted a new experiment in science class.

Hydrogen is the most abundant element in the universe.