Alga

New Invasive Species Called ‘Rock Snot’ Sounds Gross & Looks Even Grosser
New Invasive Species Called ‘Rock Snot’ Sounds Gross & Looks Even Grosser
The Pennsylvania Fish and Boat Commission and Department of Environmental Protection are reminding people who go out on the water what to do to prevent spreading the invasive alga didymo, or 'rock snot'. While it looks super gross, rock snot is not harmful to humans, according to a report by CBS 2...