New study shows signs of early creation of modern human identities

September 30, 2023

The study, which is newly published in the Journal of Human Evolution, confirms previous scant evidence, and supports a multistep evolutionary scenario for the culturalization of the human body. Eye-catching shells made into ornamentsThe new study is conducted by Francesco d'Errico, Karen Loise van Niekerk, Lila Geis and Christopher Stuart Henshilwood. The significant findings provide vital information about how and when we may have started developing modern human identities. This was before a stage in which shells belonging to selected species were systematically, and intentionally perforated with suitable techniques to create composite beadworks”, van Niekerk says. We also think we can possibly see a creation of identity that gradually but radically changed the way we look at ourselves and others, and the nature of our societies”, van Niekerk says.

The study, which is newly published in the Journal of Human Evolution, confirms previous scant evidence, and supports a multistep evolutionary scenario for the culturalization of the human body.

Eye-catching shells made into ornaments

The new study is conducted by Francesco d'Errico, Karen Loise van Niekerk, Lila Geis and Christopher Stuart Henshilwood. The significant findings provide vital information about how and when we may have started developing modern human identities.

“The discovery of eye-catching unmodified shells with natural holes from 100 to 73 ka confirms previous scant evidence that marine shells were collected, taken to the site and, in some cases, perhaps worn as personal ornaments. This was before a stage in which shells belonging to selected species were systematically, and intentionally perforated with suitable techniques to create composite beadworks”, van Niekerk says.

Similar shells have been found in North Africa, other sites in South Africa and the Mediterranean Levant, which means that the argument is supported by evidence from other sites, not just Blombos Cave.

Confirms scant evidence of early beadwork

In other words, the unperforated and naturally perforated shells provide evidence that marine shells were collected and possibly used as personal ornaments before the development of more advanced techniques to modify the shells for use in beadworks at around 70 ka.

Karen Loise van Niekerk says that they know for sure that these shells are not the remains of edible shellfish species that could have been collected and brought to the site for food.

“We know this because they were already dead when collected, which we can see from the condition of most of the shells, as they are waterworn or have growths inside them, or have holes made by a natural predator or from abrasion from wave action.”.

The researchers measured the size of the shells and the holes made in them, as well as the wear on the edges of the holes that developed while the shells were worn on strings by humans. They also looked at where the shells came from in the site to see whether they could be included in different groups of beads found close together that could have belonged to single items of beadwork. These techniques provide insights into the potential use of these shells for symbolic purposes.

Early signs of possibly creation of identity

Van Niekerk says that they identified eighteen new marine snail shells from 100 to 70 ka layers that were or could have been used for symbolic purposes, and proposed a multistep progression for the culturalization of the human body with roots in the deep past.

“With this study we specifically show that humans gradually complexified practices of modifying their appearance and transformed themselves into tools for communication and storage of information. We also think we can possibly see a creation of identity that gradually but radically changed the way we look at ourselves and others, and the nature of our societies”, van Niekerk says.

The source of this news is from University of Bergen

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