Indian schoolchildren wait in line for food at a government primary school in Hyderabad, India. Consistent access to nutritious food and clean water is key to helping children thrive, researchers say. Noah Seelam/AFP/Getty Images hide caption

itoggle caption Noah Seelam/AFP/Getty Images

As the weather warms, will more signs such as this pop up? Economists say the latest data on claims for unemployment benefits may signal that better times are ahead. Eric Gay/AP hide caption

itoggle caption Eric Gay/AP