A team of researchers from Sweden, the U.S., Poland and the U.K. has found evidence that suggests the wealth gap in human communities goes back at least 6,600 years. In their paper published in the journal Antiquity, the group describes their study of skeletons in an ancient Polish graveyard and what they found.
Click here for original story, 6,600-year-old gravesites in Poland suggest wealth gap existed earlier than thought
Source: Phys.org