Researchers found what appeared to be pendants made from the now-extinct giant sloth. It suggests humans lived in South America thousands of years earlier than previously thought. "It's very likely that multiple waves of people came to Americas," she said, according to The AP. Giant ground sloths could reach 13 feet long, weighed more than a thousand pounds and were equivalent in size to an Indian elephant. It walked on all fours and was one of the largest creatures in South America, per the report.

---

Persons: Mirian Liza Alves Forancelli Pacheco, Jeffrey Greenberg, Briana, paleoanthropologist Organizations: Service, Royal Society B, Royal, North America, Federal University of Sao, Associated Press, Universal, AP, Smithsonian Institution's National, of Locations: South America, Wall, Silicon, Siberia, Alaska, South, North, Federal University of Sao Carlos, Brazil, Florida, Americas, Washington