New discoveries suggest that giant sloths and mamodons have lived alongside humans in the Americas for millennia.  

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**Ancient Humans Arrived in the Much Earlier**

New discoveries are changing our understanding of how humans first arrived in the Americas. have found evidence that people lived in North and much earlier than previously thought.

In , found a carving on a giant sloth bone that is about 25,000 ,000 years old. This suggests that humans were living there during the . A similar find was made in Uruguay at archaeological site called Arroyo del Vizcaíno. The fossils found there indicate that humans lived there around 30,000 years ago.

These discoveries are important because they push back our understanding of when humans first arrived in the Americas. Historians had previously thought that humans arrived about 15,000 to 20,000 years ago. These new finds show that people were living in the Americas for thousands more years than we previously believed.

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