Bioengineers are creating human body parts to replace organs and manage life-threatening diseases. How techniques like 3-D printing and stem cell research are driving medical advances and raising ethical questions
A science writer imagines what the earth would be like if humans were to suddenly go extinct.
- Alan Weisman award-winning journalist, a senior radio producer for Homelands Productions, and professor of journalism at the University of Arizona.
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Cuba releases American contractor Alan Gross after five years' imprisonment on espionage charges. The U.S. releases several Cubans in exchange. Details on the prisoner swap and the future of U.S.-Cuban relations.
The ebola epidemic in West Africa is not just a health care crisis. It has affected every corner of society in the countries most affected. Schools have been closed for months, infrastructure projects have been put on hold and GDP growth has slowed to a crawl. A discussion of the social and economic cost of Ebola in Guinea, Liberia and Sierra Leone.
Russia’s ruble strengthened today but it remains volatile after losing about 20 percent of its value yesterday. Diane and her guests discuss what falling oil prices and new U.S. sanctions mean for the Kremlin and the Russian economy.