Secret word
Food waste, Mineral waste Yilin Han
Nettle, Ramie Xue Chen
Sodium alginate Lucrezia Alessandroni
Cyanobacteria Cinzia Ferrari
Chitosan Paula Camiña Eiras
Algae Tahiya Hossain
Phytoplankton Luis Undritz
Activated carbon Marie Melcore
Flax CQ Studio
Slime mould Tahiya Hossain