In 1997, archaeologists unearthed a skeleton buried in the fetal position at Toca dos Coqueiros, an archaeological site in Brazil's Serra da Capivara National Park. Based on the size and shape of the skull, they identified the remains as female and named the skeleton Zuzu. But that classification has remained steeped in controversy(opens in new tab), with many researchers claiming the deceased was actually male.Now, a new facial approximation of the 9,600-year-old skull may help put this debate to rest.Last year, researchers took dozens of photos from different angles of the skull, which is on display at the Museum of...