Mr. Lee reasoned that Japanese would have originated with the Jomon if the root of the tree turned out to be very ancient, but with the Yayoi culture if recent.

Japanese scientists said Tuesday they had produced a mouse that tweets like a bird in a genetically engineered "evolution" which they hope will shed light on the origins of human language.

Although Sushi is most commonly linked to the Japanese heritage, it actually began in China during the 7th Century.