New research says people arrived in Americas much earlier and co-existed with giant sloths and mastodons
New research says people arrived in Americas much earlier and co-existed with giant sloths and mastodons
www.pbs.org New research says people arrived in Americas much earlier and co-existed with giant sloths and mastodons
New discoveries from several archaeological sites in North and South America suggest that ancient people first arrived in the New World much earlier than scientists once thought.
New discoveries from several archaeological sites in North and South America suggest that ancient people first arrived in the New World much earlier than scientists once thought.