Dr. Raj Panjabi has his blood pressure checked by a Liberian community health worker. Courtesy of Last Mile Health hide caption
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Dr. Raj Panjabi has his blood pressure checked by a Liberian community health worker. Courtesy of Last Mile Health hide caption
A satellite image of the archaeological site of Tanis, after processing. Sarah Parcak used satellite data to find the ancient Egyptian city. Courtesy of Sarah Parcak hide caption