During the Renaissance, paper was still considered a costly material. Hence, painters who could afford it often utilized both sides of a sheet as the paper was too valuable to throw away.

Thus the vatman and the coucher proceed, only two persons being required at each vat, the one molding a sheet of paper and the other ... to the pressure of a blanket which conflnes it on one ...

Living in a home creates moisture. This moisture could, possibly, be the catalyst for the development of mold in the home.

Danish artist Peter Callesen creates breathtakingly intricate paper sculptures—crafted entirely from a single sheet of paper. No glue. No tape. Just pure imagination, precise technique ...