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When plotted , the sequence of numbers looks somewhat like an electrocardiogram , or EKG , so it was dubbed the EKG sequence . Blumenthal 's investigation focuses on Enviga , a green-tea drink that contains caffeine , calcium and a green tea extract known as epigallocatechin gallate , or EGCG . " However , the exact positions and shapes of the spots and stripes are strongly dependent on the curvature of the surface and the shape of the boundary . Saweris , a regular volunteer in the church kitchen , and other Copts who grew up in Egypt before moving to the United States will always identify with both countries . Even having a government divided between a Democratic Congress and a GOP president can be a plus — especially a president looking for a recipe to establish his legacy .