A new Peabody study of the Tennessee Voluntary Pre-K program reports that pre-K works, but the gains are not sustained through the third grade.

对田纳西州志愿学前教育项目的一项皮博迪新研究报告称，学前教育是有效的，但这种效果不会持续到三年级。

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NASA's program also intended to study the idea of establishing a moon colony.

NASA 的计划还打算研究建立月球殖民地的想法。

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Keep logs to study your online profile and decide what you can knock out, download a program like Freedom that locks you out of your browser, or take a "digital Sabbath".

保持记录，研究你的在线资料，并决定你可以删除什么，下载一个像Freedom这样的程序，使你远离浏览器，或采取 "数字安息日"。

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Meanwhile, a recent National Institutes of Health study showed that a program of supervised exercise may be at least as effective as interventions with devices in alleviating walking pain for many people suffering from PAD.

WSJ: New Tactics to Treat Artery Disease That Harms Legs

This bodes well for distance learning companies such as Class.com, a 1998 spin-off of a longtime University of Nebraska program called Independent Study High School.

CNN: Web puts the home back in homework

We started a program of mental care to study in the classroom.

UNESCO: Building the Wealth of Nations