Before blight decimated most of the American chestnut trees in the U.S., one of the great autumn pastimes was collecting the nuts and transforming them into pan-fried bread, porridge, pickles, preserves or cream pie. Timothy Van Vliet/Wikipedia hide caption

itoggle caption Timothy Van Vliet/Wikipedia

Dead almonds on a drought-stricken tree near Fresno, Calif., on April 10, 2015. Michael Nelson/EPA/Corbis hide caption

itoggle caption Michael Nelson/EPA/Corbis

Pine nuts aren't farmed; they're harvested from forests. The nuts are hidden inside the cones of certain species of pine, such as this pinyon in Utah's Fishlake National Forest. Scott Smith/Corbis hide caption

itoggle caption Scott Smith/Corbis

Hazelnuts, in all their glory. Ingrid Taylar/Flickr hide caption

itoggle caption Ingrid Taylar/Flickr

Regular nut consumers had about a 20 percent reduction in all-cause mortality, including lower death rates from heart disease and cancer, a study found. iStockphoto hide caption

itoggle caption iStockphoto

Where In the U.S. do people say pee-kahn over pi-kahn? Joshua Katz answered your burning question by mapping Bert Vaux's dialect survey on regional variations in the continental United States. Courtesy of Joshua Katz hide caption

itoggle caption Courtesy of Joshua Katz