In 2013, the president of Rwanda asked us for evaluation results from across the continent that could provide lessons for his country’s policy decisions. One program tested in Kenya jumped out, and ...

Whether you're looking for an Android phone, an iPhone, or a simple handset for voice calls, these are the top phones we've tested for various budgets across the major US wireless carriers. I’m one of ...

Apr. 4, 2026 A sweeping new study reveals that as Arctic permafrost thaws, it is dramatically reshaping rivers and releasing vast amounts of ancient carbon that had been locked away for thousands of ...