Scientists learned how to work hard under men and women for whom it was the true center of their lives.

But in the last few years scientists have learned much more about how they live and their contributions.

So far the scientists had apparently not learned of this.

Scientists have already learned how to do that for some cells, but not all.

Two months earlier, in June 2001, scientists first learned that the administration was considering the new policy.

It's way past time that our scientists and lawmakers are learning what I know.

Although scientists are learning more every day, right now, they still do not know what causes Alzheimer's disease.

Such experiments help scientists learn more about phases of matter.

They're meant to be fun but they are also designed to help scientists learn more about how we interpret the world around us.

They are serious political scientists here to learn the nuts and bolts of democratic government.