This German college student has created a completely biodegradable packaging material made entirely out of seagrass, which simply washes up in heaps on the beach. The seagrass is mixed with a binding substance contained inside the leaves before being pressed into a mold. The material is then baked until dry. style=”display:inline-block;width:300px;height:250px” data-ad-client=”ca-pub-8420654331411867″ data-ad-slot=”1313712966″> The chemical properties…