White Sands footprints suggest humans experienced abrupt environmental shifts during the last ice age

Expanded excavations at White Sands National Park in New Mexico have provided researchers an opportunity to refine the age of the oldest human footprints in North America and establish a deeper understanding of the landscape and environmental conditions at the time humans were pr This story matters for Science & Discovery readers tracking science. Reported by phys.org. Read the full original at the source link below.