Teachers could encourage boys to enjoy reading and writing with "boy-focused" approaches such as themes and characters that appeal to them.

If your goal is to have standardized approaches to learning, where everybody learns the same thing at the same time in the same way, then learning by doing doesn't really fit that mold anymore.

To deal with obesity, a mixture of approaches—including reformulation, taxation and adjusting portion sizes—will be needed.

As each summer season approaches, there's no escape from it.

It requires a willingness to ask new questions and try new approaches.

Researchers at Duke University scrutinized more than 160 published studies and found an absence of strong evidence that any of these approaches can make a big difference.

Ruel says countries may take different approaches to reducing child under nutrition.

The average student's debt upon graduation now approaches $, 000, and as college becomes ever more expensive, calls to make it free are multiplying.

The average student's debt upon graduation now approaches $40, 000, and as college becomes ever more expensive, calls to make it "free" are multiplying.

There are benefits to both approaches.

These studies are confirming, challenging and extending what's been found using more traditional approaches.