We close this program with Hayat Sindi, a Saudi-born health technology expert. She is helping to spread the use of a low-cost, paper device that can help people in poor, rural areas to find disease. The device is the size of a postage stamp. It is being used to help people learn if they have health problems like liver damage. The device quickly provides important information to people in areas without medical workers or a laboratory. The National Geographic Society says the device she and her team developed holds promise to be an invention that will save millions of lives.

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STEVE EMBER: This program was written and produced by Dana Demange. I’m Steve Ember.

SHIRLEY GRIFFITH: And I’m Shirley Griffith. Join us again next week for EXPLORATIONS in VOA Special English.