AdvertisementBountiful Beach Buffet: Fresh Seaweed Is Making Waves Among ForagersJanuary 15, 2017Joy LanzendorferfacebookEmailSeaweed is plentiful and grows rapidly, and most of it is safe to eat. People have been harvesting seaweed for thousands of years, but now it's become so popular, you can even take a class. (Joy Lanzendorfer for NPR)