Foam made from algae and tree bark acts as good forest camouflage
https://www.newscientist.com/article/2310394-foam-made-from-algae-and-tree-bark-acts-as-good-forest-camouflage/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home
Foam made from algae and tree bark acts as good forest camouflage