A U.S. company that supplies meat to some fast-food chains in China has pulled all of its products, some of which were chicken nuggets sold in Hong Kong, made by a Chinese subsidiary. Kin Cheung/AP hide caption

itoggle caption Kin Cheung/AP

Foster Farms set up new procedures to deal with salmonella contamination after the USDA threatened to shut down its plants last fall. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images

Truffles are among the many foods infused with THC – the chemical in marijuana that gives you a high — already for sale in Colorado. Luke Runyon/KUNC/Harvest Public Media hide caption

itoggle caption Luke Runyon/KUNC/Harvest Public Media

University of California, Davis food safety field scientists Michele Jay-Russell, Paula Kahn-Rivadeneira, Anna Zwieniecka, Navreen Pandher and Peiman Aminabadi celebrate the first day of their experiment testing E. coli survival in soil. Courtesy of Fhon Saharuetai hide caption

itoggle caption Courtesy of Fhon Saharuetai

Pepper is the spice most commonly contaminated with salmonella and other pathogens. iStockphoto.com hide caption

itoggle caption iStockphoto.com

Brent Gentry of Underground Meats rotates a coppa. Underground Meats is behind a new project that aims to lower the barrier to entry for would-be artisanal meat producers by making it easier for them to craft food safety plans. Emily Julka/Courtesy of Underground Meats hide caption

itoggle caption Emily Julka/Courtesy of Underground Meats

Food chemists say that pigments from the purple sweet potato are becoming a "natural" alternative to synthetic food dye. avlxyz /Flickr hide caption

itoggle caption avlxyz /Flickr

Joe Buley owns Screamin' Ridge Farm in Montpelier, Vt. He says the FDA's new food safety rules threaten the viability of small New England farm operations like his. Here, Buley harvests cucumbers. Emily Corwin hide caption

itoggle caption Emily Corwin

Julia Child poses with "the chicken sisters" before an episode of The French Chef in which she teaches us how to roast a bird. Courtesy of Paul Child/PBS hide caption

itoggle caption Courtesy of Paul Child/PBS

The label for the berry blend recalled in June because of pomegranates linked to a hepatitis A outbreak. Food and Drug Administration hide caption

itoggle caption Food and Drug Administration

A fruit thought by some to be what Eve used to tempt Adam has been grown in the Middle East for centuries. iStockphoto.com hide caption

itoggle caption iStockphoto.com