The Americas in the prehistory (before 3500 BC). Before writing, the record is stone, bone and DNA. These articles cover human origins, the ice ages and the first farmers, up to the moment cities and script appear.
Seeds of a water plant dated human footprints at White Sands, New Mexico, to 23,000 to 21,000 years; pollen, quartz and lake mud were tested against them.
· 21,000 BCA camp under a Chilean bog, dated to about 14,500 years ago, put people in South America before the Clovis hunters. Later claims reach 23,000 years.
· 12,500 BCA 13,000-year-old mammoth kill, bison kill and camp in southeastern Arizona, sealed under black clay, and the fluted points that define Clovis.
· 11,000 BC
