Roses do not have thorns; they have prickles. But there ARE “thorns” in the rose garden. Their names are botrytis, black spot, rust, downy mildew, anthracnose and cerospora leaf spot. They are all ...

Feedback doesn’t want to overstate this, but we think we have found a problem that will rewrite a huge swathe of music and literature and force us to reconsider one of our most cherished metaphors. It ...