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White Sands Footprints Show Early Americans Faced Rapid Climate Shifts
Key Takeaways
- Twenty footprint-bearing sediment horizons span about 23,500 to 21,700 years ago.
- Pollen and plant-wax molecules were used to reconstruct environmental conditions.
- The research describes rapid climate change during repeated human activity at White Sands.
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DT Editorial Team··via phys.org