You can't assume a cause and effect. In districts that are struggling, this seems to be something that does have promise.

Life is opinion.

When districts get tight financially, they're cut back. When there is pressure to improve math scores, they show up again. Most districts are looking for any solution they can find to help meet annual yearly progress under No Child Left Behind.

If you are a math and science teacher in this country, you can choose many different places where you can go teach.

The mind is the effect, not the cause.

The challenge is in identifying the cause. The effect identifies itself.