In physics, the study of the 'nucleus' at the center of an atom is important.

We conducted a new experiment in science class.

He is researching about a new energy source.

He is conducting research on a new energy source.

We will conduct a new chemistry experiment tomorrow.

He is known as an expert in subcritical nuclear experiments.

The number of nuclear-armed countries is increasing worldwide.

That decision had a bad effect on our project.

His words had a great influence.

She is planning a date with her current boyfriend.