During the last ice age, which route was taken by the first humans to reach the Americas, and did they travel by foot, boat or both?
Humans first arrived in North America at least 15,500 years ago. Exactly how they got there, however, constitutes one of the longest-standing debates in archaeology.
"The pendulum is swinging in support of the coastal corridor being the route taken by the first Americans," Michael Waters , director of the Center for the Study of the First Americans at Texas A&M University, told Live Science in an email."But we still need the smoking gun: an early site along the coast."
These"pre-Clovis people" would have had to migrate to America long before the ice-free corridor opened up."The earliest the inland corridor was open is 14,300 years ago," Waters said."It is impossible to have people in Texas and Idaho at 16,000 years ago, and Florida at 14,600 years ago, come through the corridor. They must have come a different way."
"The ocean would always have provided resources for skilled fishermen and hunters," Des Lauriers told Live Science in an email."The most likely scenario is one of coastal fisher-hunter-gatherers moving along the North Pacific Coast."
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