2000 clay stamps in Roman archive; Egyptian baboon DNA points to Punt; DNA evidences early migration to California; advanced hydraulic structure in Sumeria

2,000 clay stamps found in ancient Roman municipal archive building

Ancient Egyptian baboon DNA reveals location of fabled port city of Punt

Ancient DNA reveals Uto-Aztecan languages spread to California 1,000 years earlier than thought

Archaeologists identify civilization-saving technology of ancient Sumerians