hunger

Pope Francis received applause from hundreds of worldwide ambassadors to the Holy See on Monday as he entered a huge hall in Vatican City. Osservatore Romano Press Office/EPA/Landov hide caption

Researchers have a hunch that because we often had to share food to survive, we're inclined to be more interested in giving when we're hungry. iStockphoto.com hide caption

Schoolgirls eat a free midday meal in Hyderabad, India, last month. India has offered such meals since the 1960s to persuade impoverished parents to send their children to school. A U.N. report released Tuesday finds modest progress in the worldwide fight against chronic hunger. Mahesh Kumar A./AP hide caption

In an experiment, people who saw a picture of a big bowl of soup before eating lunch were less hungry a few hours later than those who saw a smaller bowl, regardless of how much they ate at the meal. stuart burford photography/iStockphoto.com hide caption

Somali girls line up to receive a hot meal in Mogadishu last year after the worst drought in the Horn of Africa in decades, compounded by war, put millions in danger of starvation. Roberto Schmmidt/AFP/Getty Images hide caption

Back Pack Kids in Punta Gorda. Courtesy of Yah Yah Girls hide caption

Cool green bags of food for the hungry from A Simple Gesture. Courtesy of A Simple Gesture hide caption

Daniel Beers, a KPCK volunteer and political science professor at Knox College. Courtesy of Knox College hide caption

Sharon Elliott-Bynum is the co-founder of Caare. Courtesy of Caare hide caption

Rescued food waiting to be delivered. Courtesy of Boulder Food Rescue hide caption