Step into the fascinating world of traditional paper production, where centuries-old techniques still bring ... skill that continue to preserve this ancient craft, connecting history with the ...

"Role of Cellulose Oxidation in the Yellowing of Ancient Paper"] For 48 days ... About 90 percent of the weight of old paper is cellulose, the sturdy material that makes up plant cell walls.

Several of these ancient scratch pads have been found at Kish and nearby Babylon, both of which were major areas of early ...

Advances in biochemical analyses have allowed scientists to identify ancient molecules preserved in the fossil record, particularly in old rocks that ... involved with the paper, called it ...