Researchers have unearthed an ancient forearm bone from the Mabuni Hantabaru archeological site in Itoman, Okinawa Prefecture, believed to be from a Jomon period male roughly 169 centimeters tall -- much taller than the average for the period. The bone, measuring about 28 centimeters, is believed to be from the late Jomon period, dating back 3,000-4,000 years. The average height of males from the same period is about 158 centimeters. Takayuki Matsushita, honorary head of the Doigahama Site Anthropological Museum in Yamaguchi Prefecture, which conducted a survey of the area, said the find was unusual. "Even on a national scale,...