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Scientists unearth Africa’s oldest burial: a small child, laid to rest 78,000 years ago | |
admin | |
2021-05-05 | |
发布年 | 2021 |
语种 | 英语 |
国家 | 美国 |
领域 | 资源环境 |
正文(英文) | Some 78,000 years ago, a community in East Africa laid to rest a child of about 3 years old. Its caretakers dug a shallow pit, curled its small body, and may have rested its head on a pillow before committing the body to the earth. A new study describing the excavation of the child’s grave reveals the oldest known evidence of modern humans in Africa burying their dead. “It’s beautifully excavated … and there can be no dissension that it’s a burial,” says Paul Pettitt, a paleolithic archaeologist at Durham University who studies ancient mortuary practices and was not involved with the work. “It shows that the tradition of burying some of the dead … probably arose from a common custom amidst Homo sapiens in Africa.” Intentional burials are relatively rare in the archaeological record before about 30,000 years ago. Previously, the oldest suspected burials in Africa dated to 74,000 and 68,000 years ago—in South Africa’s Border Cave and in Taramsa, Egypt, respectively. In Eurasia, burials of modern humans and Neanderthals up to 120,000 years old have been found, but those involved peoples who contributed little to humans living today. The new grave was found in 2013 under the rocky overhang of a cave called Panga ya Saidi along the coastline of southeastern Kenya. Archaeologists and local workers noticed an unusual, pit-shaped undulation of sediment within the walls of one of their trenches. When they inspected it, a small bone fell out—and promptly turned to dust. Realizing they had found an extraordinarily delicate fossil, the archaeologists spent the next 4 years painstakingly digging and casting the fragile bones in plaster. Two teeth later analyzed at the National Museums of Kenya unambiguously identified the body as a human child. The researchers then sent the remains to a lab at the National Center for Research on Human Evolution in Burgos, Spain, for further analysis. Virtually sorting through the layers of bone and dirt using computerized tomography, scientists analyzed the bones. They couldn’t determine how the child had died, but its position suggested caretakers had deliberately curled it into a fetal position before placing it into a shallow pit, explains the study’s senior author, Michael Petraglia, an archaeologist at the Max Planck Institute for the Science of Human History. The skeleton’s torqued shoulder indicates it was likely wrapped tightly in a shroudlike material, and the way the skull twisted and bent inside its grave suggests it may have been propped up on some sort of pillow that slowly decayed. ![]() Scientists used computerized tomography to peer through layers of sediment to reveal the delicate fossils within. A technique that tells scientists when sediments were last exposed to light revealed the remains were deposited about 78,000 years ago, making this the oldest known human burial site in Africa, the researchers report today in Nature. Emmanuel Ndiema, an archaeologist at the National Museums and one of the study’s co-authors, named the child Mtoto, after the same word in Swahili. The remains have since been returned to the National Museums. As complex symbolic behaviors, including jewelry use and ochre pigment painting, are thought to have arisen in Africa, the birthplace of our species, about 125,000 to 100,000 years ago, it’s reasonable to think that human burial may have also emerged there and spread around the world with early migrants from the continent, Petraglia says. It’s not clear though, he says, whether Neanderthals independently began to bury their dead or the roots of burial-related behaviors go back to the common ancestor of humans and Neanderthals. Nearly half of such ancient burials involve children, Petraglia points out. Dying young may have been seen then, as now, as particularly tragic, prompting the community to commemorate the death. “Here we have a child where the legs are pulled up to the chest, in a small pit—it’s almost like the womb,” Petraglia says. Julien Riel-Salvatore, an anthropologist at the University of Montreal, agrees that the level of care that went into Mtoto’s burial suggests a child’s death was especially poignant. “The idea that people would go out of their way to preserve the child’s body, which would slow its decay and protect it from scavengers, reflects the fact that people cared deeply about their children,” he says. More burials from the region and time period will need to be discovered before researchers can start to puzzle out the significance that burial held to these ancient humans, says Louise Humphrey, an anthropologist at the National History Museum in London. Still, she says, the tenderness of the burial in Panga ya Saidi reveals “an expression of personal loss”—a sorrow that transcends time. |
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来源平台 | Science |
文献类型 | 新闻 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/324818 |
专题 | 资源环境科学 |
推荐引用方式 GB/T 7714 | admin. Scientists unearth Africa’s oldest burial: a small child, laid to rest 78,000 years ago. 2021. |
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