This article introduces practical methods for evaluating AI agents operating in real-world environments. It explains how to ...

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Every weekday, NPR's best political reporters are there to explain the big news coming out of Washington and the campaign trail. They don't just tell you what happened. They tell you why it matters.

Unaffordable health costs? We’re sick of it! On 12 December 2012, the United Nations General Assembly endorsed a resolution urging countries to accelerate progress toward universal health coverage ...