Dairy cows feed through a fence at an Idaho farm, in this 2009 file photo. Idaho's Gov. C.L. "Butch" Otter enacted a bill Friday that criminalizes the act of secretly filming animal abuse at farms. Charlie Litchfield/AP hide caption

itoggle caption Charlie Litchfield/AP

There are about 2,000 dairy cows on Pete Olsen's fifth-generation farm in northern Nevada. A new milk processing plant is now putting pressure on Olsen and other dairy farmers to expand the size of their herds. But with the ongoing drought, farmers are struggling to get enough feed for the cows they already have. Kirk Siegler/NPR hide caption

itoggle caption Kirk Siegler/NPR

Empty shelves where eggs should be at a Whole Foods Market in Washington, D.C. The store blames increased demand for organic eggs. Dan Charles/NPR hide caption

itoggle caption Dan Charles/NPR

At Mardi Gras, cup dispensers wear a little extra flair. Pictured in the top left corner is your future milk punch container — temporarily airborne. Chris Graythen/Getty Images hide caption

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The proposed Nutrition Facts label (right) has a few subtle differences from the current label, including bolder calorie counts and added sugar information. Food and Drug Administration hide caption

itoggle caption Food and Drug Administration

Should you fear a chemical inside metal food containers like the ones that hold beans? Government scientists say no. Chip Somodevilla/Getty Images hide caption

itoggle caption Chip Somodevilla/Getty Images