This is a fascinating story about a genetically modified crop (RoundUp Ready cotton), a pigweed that naturally selected against it, and murder. http://www.npr.

This is a fascinating story about a genetically modified crop (RoundUp Ready cotton), a pigweed that naturally selected against it, and murder. http://www.npr.org/sections/money/2017/06/02/531272125/episode-775-the-pigweed-killer http://www.npr.org/sections/money/2017/06/02/531272125/episo...