What is a Natural Sponge Made Of? Exploring the Wonders of Nature’s Absorbent Tool
Natural sponges, those soft, porous wonders we use for everything from bathing to art projects, have a fascinating story to tell. But what exactly are they made of? The answer isn’t as simple as “plant” or “animal.” They are, in fact, marine animals with a unique skeletal structure that gives them their remarkable absorbent properties. … Read more