For several months, I've noticed signs in Thibodaux, my part-time hometown, on Louisiana 308 across the bayou from Louisiana 1. The three signs read "Orchids, " "Yard eggs" and "Honey." The signs ...

Artificial dyes have been used for decades to create different color roses and tulips, but the first artificially blue orchid was introduced only in 2011. That's when a Florida-based orchid grower ...