By Martin M Barillas Chinese scientists have successfully sequenced ancient human DNA dating back some 14,000 years, hinting at their potential links with Asian peoples who crossed over to the Americas at the end of the last continental glaciation. Data …By Martin M Barillas Chinese scientists have successfully sequenced ancient human DNA dating back some 14,000 years, hinting at their potential links with Asian peoples who crossed over to the Americas at the end of the last continental glaciation. Data …