Scientists used the quipu’s data to build working spreadsheets, file systems, and encryption tools, rivaling conventional ...

Love Letters is Boston Globe Media’s relationship advice column and podcast. Ask confidential questions and get empathetic answers from columnist Meredith Goldstein, who has been helping readers ...

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 ...

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