The East had a monopoly on this material until the 6th century, when 2 monks smuggled out some worms
However, even 
with the Byzantine production of silk starting in the 6th century, Chinese varieties 
were... [DOC] [TLE] Great Moments in Science - USGenNet [PAR] If the first woman did not weave or spin, we may suppose that some of her 
daughters .... That was why the silkworms lived there, for they love the mulberry 
leaves, as you ... Hsi-Ling-Shih had never seen a butterfly come out of a cocoon.