Massive sponge gardens thrive on top of seamounts in the Central Arctic Ocean, one of the most oligotrophic seas on Earth. They appear to feed on the remnants of an extinct fauna. Microorganisms ...

Grow your own bath sponge! Luffa gourds are the familiar bath sponge. Growing your own will keep you entertained all growing season and are great fun for a long time after they are harvested. Peel ...