Making paint and glue out of proteins? The idea is not a new one - generating adhesives, such as "animal glue", and coatings, such as "milk paint", has been common practice for most of human history [2]. However, since the industrial revolution and the availability of crude oil, as well as advances in synthetic chemistry, protein-based coatings have been replaced almost completely by their synthetic counterparts. This is mostly due to the low cost of synthetic chemicals and their high performance in several applications. However, owing to growing concern about the availability and the environmental impact of fossil-based ingredients, the ...