Bottom round roast is one cut of beef that fits the government's definition of "lean." Still, the definition is confusing to consumers, nutrition scientists argue. Paul Polis/Corbis hide caption

itoggle caption Paul Polis/Corbis

Gayland Regier carries buckets of feed to his cattle in southeast Nebraska. Imported cattle make up a small portion of the American beef supply, but many American farmers and ranchers are concerned that foreign-sourced meat could distort their markets. courtesy of Grant Gerlock/NET News/Harvest Public Media hide caption

itoggle caption courtesy of Grant Gerlock/NET News/Harvest Public Media

A government-appointed panel concluded in a recent report that Americans should eat less red meat and processed meat. A more plant-focused diet is better for health and the environment, it found. Andrew Burton/Getty Images hide caption

itoggle caption Andrew Burton/Getty Images

A daily cup of joe (or two) may help protect against Type 2 diabetes and cardiovascular disease. And an egg a day will not raise the risk of heart disease in healthy people, according to a panel of nutrition experts. Premshee Pillai/Flickr hide caption

itoggle caption Premshee Pillai/Flickr

"Flavor is the most important ingredient at the core of what we are. It created us," John McQuaid writes in his book Tasty: The Art and Science of What We Eat. Getty Images hide caption

itoggle caption Getty Images

Pepperpot, a traditional Guyanese Christmas dish, is basically a stew of aromatics and tough meat parts like shanks, trotters and tails that benefit from a long cooking. Courtesy of Cynthia Nelson Photography hide caption

itoggle caption Courtesy of Cynthia Nelson Photography

Master butcher Kari Underly cuts into a hog during a "Women in the Meat Business" workshop in Chapel Hill, NC. Leoneda Inge/North Carolina Public Radio hide caption

itoggle caption Leoneda Inge/North Carolina Public Radio

Researchers say there's plenty the beef industry can do to use less land and water and emit fewer greenhouse gas emissions. But producers may need to charge a premium to make those changes. iStockphoto.com hide caption

itoggle caption iStockphoto.com

Soybeans in a field in Springfield, Neb., on Wednesday. The nation's corn and soybean farmers will bring in by far the largest harvest ever this year, driving down the price of the commodities, according to the U.S. Department of Agriculture. Nati Harnik/AP hide caption

itoggle caption Nati Harnik/AP

Meat is displayed in a case at a grocery store in Miami in July. Pork and beef prices are up more than 11 percent since last summer. Joe Raedle/Getty Images hide caption

itoggle caption Joe Raedle/Getty Images

Not all cows get to spend their days with soft green grass under hoof. For many, the picture isn't so pretty, according to the book Farmageddon. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images

The drone in Potter's promotional video on Kickstarter. "Now I'm looking at other models (and a second drone) because some people have threatened to shoot it down," Potter says. via Kickstarter hide caption

itoggle caption via Kickstarter

Fox Ranch, outside Yuma County, Colo., is a 14,000-acre nature preserve and working cattle ranch owned by The Nature Conservancy. The ranch is an experiment in planned grazing, which aims to improve soil health and help ranchers' bottom lines. Luke Runyon/Harvest Public Media hide caption

itoggle caption Luke Runyon/Harvest Public Media

Eating some foods high in saturated fat is not necessarily going to increase your risk of heart disease, a study shows, contrary to the dietary science of the past 40 years. Cristian Baitg Schreiweis/iStockphoto hide caption

itoggle caption Cristian Baitg Schreiweis/iStockphoto

A new study linking animal protein-rich diets to increased mortality in middle age adds fuel to the controversy over how much protein — and from what sources — is ideal for health. One thing that seems pretty clear: It doesn't hurt to go heavy on the greens. iStockphoto hide caption

itoggle caption iStockphoto

Chickens gather around a feeder in a Tyson Foods poultry house in Washington County, Ark. April L. Brown/AP hide caption

itoggle caption April L. Brown/AP

German farmer Rudolf Buehler and other opponents of the Transatlantic Free Trade Agreement protest with 17 pigs in front of the chancellor's office building in Berlin on Wednesday. Soraya Sarhaddi Nelson/NPR hide caption

itoggle caption Soraya Sarhaddi Nelson/NPR