From Ned Deily on Facebook, a report of a Morning Call (Allentown PA and the Lehigh Valley) story on rock snot. Here’s yesterday’s headline: Delaware River rock snot bloom approaches Easton An outbreak of didymo, a single-cell algae, threatens ecosystem, nearby streams. JD Malone’s story begins: Erik Silldorff waded a dozen feet into the river, … Continue reading rock snot