When Duan Biggs was growing up in the Kruger National Park in South Africa, he used to watch elephants and rhinos walking past his bedroom window. He left home to pursue degrees in biology and economics, and when he returned in 2011 the park looked and sounded "like a pseudo war zone," he says.
"There'd be helicopters flying overhead all the time," he says. "I remember one afternoon coming back to my home from a game drive and the bush was crawling with people with assault rifles, from the army, from the police, and from National Parks. They were looking for poachers."
Nigerian President Goodluck Jonathan imposed states of emergency in three states Wednesday, promising to send more soldiers to the northeast to put down a growing threat from militants from the Islamist group Boko Haram group and an offshoot, Ansaru.
In 2011, Jessica Buchanan was an aid worker in northern Somalia, helping to raise awareness about how to avoid land mines. The north was the relatively safe section of the country; that October, she traveled to the more dangerous southern region for a training. The night before she left, she texted her husband, Erik Landemalm, also an aid worker in Somalia. She asked him a question: "If I get kidnapped on this trip, will you come and get me?"