Our ancestors swapped eggshell beads 30,000 years ago in the same way that we trade Facebook likes - Daily Mail

1. Our ancestors swapped eggshell beads 30,000 years ago in the same way that we trade Facebook likes  Daily Mail
2. Stone-age 'likes': Study establishes eggshell beads exchanged over 30,000 years  Phys.org
3. Ostrich Beads Show 30,000-Year-Old Social Network | Science  Smithsonian
4. An ancient social safety net in Africa was built on beads  Science News
5. Stone-age 'likes': Study establishes eggshell beads exchanged over 30000 years  HeritageDaily
6. View Full Coverage on Google News

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