Complex sentence: Dr. Betty Meggers's first worked in anthropology at the age of 16, volunteering at the Smithsonian Institution and helping to reconstruct pots excavated from Pueblo Bonito, an Anasazi village in New Mexico.
Split into simpler sentences: Dr. Betty Meggers's first experience with anthropology was at the age of 16. She volunteered for the Smithsonian Institution and helped to reconstruct pots excavated from Pueblo Bonito, an Anasazi village in New Mexico.