Geochemist Gabriel Filippelli in an Indianapolis garden. Filippelli's research shows that many urban gardens may have soil contaminated with lead Courtesy of Gabriel Filippelli hide caption

itoggle caption Courtesy of Gabriel Filippelli

Chef Jacob Kenedy created the recipes for the book — and says he struggled with some of them, like the dischi volanti.. Suzanne Mitchell hide caption

itoggle caption Suzanne Mitchell

An AquAdvantage salmon behind a non-transgenic Atlantic salmon sibling of the same age. Courtesy of AquaBounty Technologies hide caption

itoggle caption Courtesy of AquaBounty Technologies

A television advertisement from the Corn Refiners Association. The Corn Refiners Association hide caption

itoggle caption The Corn Refiners Association