The Ebola outbreak — by far the biggest Congo has seen, and the world's second largest in history — was declared by national authorities in August. It is concentrated in Congo's North Kivu and Ituri provinces.
The vote planned for Sunday would be postponed by a week because of a shortage of ballot papers. The vote to replace President Joseph Kabila, who succeeded his assassinated father in 2001, was first scheduled for November 2016 but has been repeatedly delayed.
Papa Wemba died earlier this week, after he collapsed on stage in Ivory Coast. The star, known as the king of Congolese rumba, was jailed in 2004 for smuggling Congolese people to Europe. Lubangi Muniania, a Congolese arts educator who knew Papa Wemba, explains Wemba's history.
Kony 2012 captured millions of eyeballs and about as much controversy. Two years on, the organization behind the video is still operating and still focused on capturing Joseph Kony — but the group's leaders say they've learned a lot from their experience with their viral video.
While interest in building hydro-electric dams is waning in the U.S., developing nations are increasingly turning to rivers to power their growing economies. Guest: International Rivers Director Patrick McCully about dams in the developing world.
An equatorial mountain range figures in today's Geo Quiz. The answer is the Rwenzori Mountains. The central African range is featured in "Africa: Atlas of our Changing Environment" a new atlas published by UNEP, the United Nations Environmental Program. The glaciers that give these stunning mountains their snowcapped appearance are disappearing due to global climate change.