President Barack Obama gives a thumbs up to supporters as he campaigns for Wisconsin Democratic gubernatorial candidate Mary Burke during a rally at the North Division High School, Tuesday, Oct. 28, 2014, in Milwaukee.
Russian Geographic Society staff members carry the body of baby mammoth to put on display in Moscow, Russia, Tuesday, Oct. 28, 2014. The 39,000-year-old baby mammoth is named Yuka, derived from the Yukagir coastline where she was found. Yuka was found four years ago in the Siberian permafrost and was between six and eleven years old when she died. Scientists call Yuka the best preserved mammoth in the history of paleontology.
An elderly woman stands in a cloud of insecticide after a health ministry worker fumigated her house against mosquitoes that transmit dengue fever as well as chikungunya fever, in Managua, Nicaragua, Monday, Oct 27, 2014. The Nicaraguan health ministry detected 20 new cases of chikungunya in Managua during the weekend, according to First Lady Rosario Murillo.
In this Oct. 7, 2014 photo, illuminated by fading sunlight and aided by the beams of headlamps of nearby trucks turned toward the kill, Fredrick Brower, left, helps cut up a bowhead whale caught by Inupiaq subsistence hunters in Barrow, Alaska. Drawing on tradition, and keeping within the closely monitored Aboriginal subsistence whaling guidelines, a bowhead whale is carved and divided by a crew armed with knives and hooks and then shared according to tradition. Bordered on one side by the Chukchi Sea and the other by endless tundra, Barrow is one of the remote Alaska towns that is the focus of an unprecedented get-out-the-vote effort in the close U.S. Senate race between Democrat Mark Begich and Republican Dan Sullivan.
In this Oct. 20, 2014 photo, Maria Eduarda, 7, holds her two-year-old sister Kauania as another sister Joyce, 4, plays outside their home while their mother steps away briefly and a neighbor looks after them in a shantytown on the outskirts of Rio de Janeiro, Brazil. While the circumstances of the poor remain dire, the lowest echelons of Brazil’s social pyramid have seen the net greatest improvement in their lives over the past decade during three successive Workers’ Party governments. Brazil will hold a presidential run-off election on Sunday, Oct. 26.
Camels are seen from a hot air balloon flying over the Margham desert about 60 km (37 miles) southeast of Dubai, United Arab Emirates, Tuesday, Oct. 21, 2014.
A man suffering from Ebola virus lies on the floor outside a house in Port Loko Community, situated on the outskirts of Freetown, Sierra Leone, Tuesday, Oct. 21, 2014. After emerging months ago in eastern Sierra Leone, Ebola is now hitting the western edges of the country where the capital is located with dozens of people falling sick each day, the government said Tuesday. So many people are dying that removing bodies is reportedly a problem.
Bishops attend the beatification ceremony of Pope Paul VI, and a mass for the closing of of a two-week synod on family issues, celebrated by Pope Francis, in Saint Peter's Square at the Vatican, Sunday, Oct. 19, 2014. (AP Photo/Andrew Medichini)
Syrian Kurdish fighter Delkhwaz Sheikh Ahmad, 22, sits with his wife Siham, 23, and their two sons, Dilyar, left, 3 and Ibrahim, 2, right, at his brother's house in Suruc, on the Turkey-Syria border, as he prepares to leave for Kobani, Syria, to rejoin the fighting, Friday, Oct. 17, 2014. Sheikh Ahmad is a member of the People’s Protection Units, also known as YPG and is fighting against militants of the Islamic State group in Kobani, Syria. Every few weeks, he takes a couple of days to cross the border into Turkey to visit his family that had evacuated. Kobani, also known as Ayn Arab, and its surrounding areas, has been under assault by extremists of the Islamic State group since mid-September and is being defended by Kurdish fighters.