He says it is nature's way of refining the race.

He has been refining his ideas about it ever since.

The study will serve as the department's foundation for refining its own system.

Scott continued to work on the project until his death, refining the design as he went.

He continued to work on refining the translation until the end of his life.

What we are doing, though, is we're refining the composite.

Now, the office is working on refining the ideas so it can present the most effective ones to the president.

For a man who had spent nearly 40 years refining his science, it could not have been an easy admission to make.

He spent the next 60 years refining his award-winning design.

Since then the company has focused on refining its marketing effort.

This young artist has been refining his craft since age seven.

There was still a great mass of data to be worked up in refining the maps.

Then the human carvers go to work, refining the model.

After the guests leave, the hard work of refining the pieces begins.

He started with one hundred dollars and never stopped refining his method.

A guy like this, he's thinking and refining all the time."

"We're refining the lease because there are things we would not be doing," he said.

He originally started producing at a young age and has spent many years refining his sound.

Certainly it was in terms of refining the relationship between horse and rider.

Those condition were ideal for refining units of most big oil companies.

She could picture him repeating and refining the lines in his head before he spoke them.

It goes through teacher reflection and how teachers should be constantly refining their practice.

He was also responsible for refining the museum's permanent collection.

We're not refining as much as you'd like to right now.

At the same time, Andrade was refining his theory of music.

Over the next couple of days I refined my order and asked more questions.

Those involved say it will continue to be refined on the road.

But the music was good and getting better as they refined it.

As you can see, these are being refined even at this moment.

The new system did not do away with the practice but instead refined it.

Everything could be refined down to business if you looked at it the right way.

Later research has refined this to the mid-6th century, probably between 533 and 551.

I've refined the process, done my research, and I'll ask two or three questions myself.

It is to be refined for use by the local population, military officials said.

Today officials refined that figure and put it at about 20,000.

Perhaps we need to refine our act for next time.

These reports may change or be refined in the hours ahead.

All are sure to be refined for the 2008 campaign, which is due to begin, oh, right about now.

They were introduced in 1988, and have since been refined.

This system was refined in 1973 and continued until 1992.

Once you have got a business idea, take time to refine it.

Does he start off with a model, then refine it?

I take human blood in and refine it into something else.

Students said they would try to work with the committee to refine the policy further.

It's up to me to help refine their look and put together a book.

"The process has been refined over what it was a few years ago, and now it's hard to tell the difference."

Instead, he refined his place as the Republican green candidate.

But also because she wanted time to refine her weapons.

He says it is nature's way of refining the race.

It's been a lot of hard work to refine that.