A-tisket, a-tasket. You can tell a lot from a basket. Especially if it’s from ancient ruins of a civilization inhabited by humans 15,000 years ago. An archeologist is among the team who made a groundbreaking discovery in coastal Peru — home to one of the earliest pyramids in South America. Thousands of artifacts, including elaborate hand-woven baskets, show that early humans in that region were a lot more advanced than originally thought and had very complex social networks.