DDT invented in 1939, usage began in 1943 and although as a last resort sprayed indoors as a defense against malaria is banned in 1973. Glyphosate contamination of food and water: should we be concerned?
sort by best latest
You can help the HubPages community highlight top quality content by ranking this answer up or down.
teosente into corn was done by the First Peoples on North America, imagine how less of a food shortage there would be if it was done to wheat in the Old World!