He has a deep interest in empirical science.

Animal experiments are necessary for the advancement of science, but there are also ethical issues.

He is learning about the handling of experimental animals.

He always tries to act ethically.

This is our new experimental project.

He solved the problem in a scientific way.

We are witnessing the progress of science and technology.

His progress in Japanese is astonishing.

Ethics are deeply involved in our daily lives.

Your cooperation is needed for this project.