Archaeologists Found 23,000-Year-Old Footprints That Rewrite the Story of Humans in AmericaArchaeologists Found 23,000-Year-Old Footprints That Rewrite the Story of Humans in America - Yahoo! Voices
popularmechanics.comSubmitted by popularmechanics9115 in science
New Mexico’s ancient sands reveal the oldest-known traces of early inhabitants.