ARTIFACT
ggshells may not seem like the best material with which to make something built to last, but ostrich eggshells can withstand the weight of a bird of up to 350
Photo Credits
COVER—Album/Prisma; 6—Courtesy Coerte Voorhees, First Line Films; 9—Metropolitan Museum of Art; 10—Metropolitan Museum of Art; Courtesy N. S. Rangaraju; 11—Th. Flügen, AMF, H. Menzel; 12—Courtesy Soprintendenza Archeologica di Pompei; 13—Images by M
