A new study by American scientists shows that the first humans arrived in America earlier than previously thought, splitting into two branches about 15,500 years ago. #ajalugu #põlisameeriklased #geenianalüüs (translated)

A new study by American scientists shows that the first humans arrived in America earlier than previously thought, splitting into two branches about 15,500 years ago. #ajalugu #põlisameeriklased #geenianalüüs (translated)
