The bloodlines of modern Japanese lie with immigrants from the Korean Peninsula who arrived in the archipelago during the Yayoi Pottery Culture Period (1000 B.C.-A.D. 250), new research suggests.

YOSHINOGARI, Saga Prefecture--The lids of a stone coffin that may contain the remains of a powerful person from the latter part of the Yayoi Period (c. 1000 B.C.-250 A.D.) were lifted here on June 5.