research on something

If you're interested, I can show you how to research them on the computer.

"We continue to research the potential history on that site," she said.

Students could research on the Internet to examine related court cases.

She might be researching a possible story on her own and we haven't heard about it yet.

I met Brown more than a decade later while researching a book on his high school team.

He was in the process of researching a book on the American novel at the time.

Her work there included researching on skills and the needs of working women.

An author describes how he spent eight years researching a book on natural history.

He did return to that country for a few months to research a report on the pacification effort.

Under what circumstances can research on this material be justified?