Scientific American: In the shadow of a boisterous debate about the safety of growing crops that have been genetically modified, otherwise known as GMOs, the potential of good old-fashioned crossbreeding has been making quite a stir in the agricultural community.
A group of researchers recently took a closer look at the genome of sorghum, a drought-tolerant grass crop that feeds half a billion people in Asia and parts of sub-Saharan Africa. Unlike its super-cultivated cousins--corn, rice and soy--sorghum still grows...