natural pesticides

Ants – with their wise farming practices and efficient navigation techniques – could inspire solutions for some human problems. From The Conversation, by Scott Solomon, Associate Teaching Professor of Ecology and Evolutionary Biology, Rice University
People are terrified of pesticides, which makes places like Whole Foods very happy. But the truth about them actually would terrify the supermarket chain. That's because its produce is loaded with pesticides, made by the plant for protection from predators. So should you worry about the 0.01% of synthetic pesticide residues or the 99.99% of natural pesticides?