During down times, when you'd talk about your own research.

Here we are talking about research and the future of clean energy.

We are not talking about military research and development. That point is quite clearly made.

"Did he try to talk to you about your research?"

The white guy had a whole bunch of people come up to him and ask about his research.

After that I stopped asking my mother about her research.

Also, ask about research that shows how well it works for your condition.

In category 3, we are a little concerned about research and development.

What about nuclear research and the growing of the tobacco?

"I just realized that you've never told me about your research."