When did humans get to South America? This giant shelled mammal fossil may hold clues

Fossilized bones from an extinct, shelled mammal offer us the latest clue about when humans arrived in South America. Scientists have long argued over when people first set foot on the continent bec… [+4906 chars]

When did humans get to South America? This giant shelled mammal fossil may hold clues

When did humans get to South America? This giant shelled mammal fossil may hold clues

When did humans get to South America? This giant shelled mammal fossil may hold clues

When did humans get to South America? This giant shelled mammal fossil may hold clues
When did humans get to South America? This giant shelled mammal fossil may hold clues
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