An international research team led by Dr. Laurent Davin, a postdoctoral fellow at the Institute of Archaeology at the Hebrew University of Jerusalem under the mentorship of Professor Leore Grosman, has unearthed the earliest known collection of clay personal ornaments in Southwest Asia. These findings, recently published in the prestigious journal Science Advances, push back the timeline of symbolic use of clay in the region by several thousand years. Their work fundamentally redefines our understanding of the cultural and cognitive evolution of early sedentary communities.

The team analyzed a cache of 142 beads and pendants recovered from four Natufian archaeological sites—el-Wad, Nahal Oren, Hayonim, and Eynan-Mallaha—located within modern-day Israel. The Natufians are a pivotal culture credited with pioneering permanent settlement during the Late Epipaleolithic, predating the systemic advent of farming. Prior to this study, knowledge of clay’s ornamental use during this time was minimal, with global records listing only five such beads from this era. This new assemblage is therefore transformative, shining light on a significantly more complex and sustained tradition of clay decoration.

Technological analyses reveal that the beads were meticulously handcrafted from unbaked clay into various shapes, including cylinders, discs, and elliptical forms. Many of these objects were coated with a thin layer of red ochre clay slip, known as engobe. This early evidence of pigment use is the oldest recorded instance of such a technique, underscoring a sophisticated understanding of material manipulation for aesthetic and symbolic purposes. The presence of engobe suggests that these communities developed specialized methods for enhancing the visual impact of their ornaments, pointing to an established cultural practice rather than isolated experimentation.

A closer examination of the beads’ morphologies unveiled nineteen distinct types, several of which mimic the forms of plants integral to Natufian subsistence and symbolic life. These shapes draw inspiration from wild barley, einkorn wheat, lentils, and peas—species that not only served as staple food sources but also carried cultural and possibly spiritual significance. Traces of plant fibers found adhering to some beads indicate they were strung together, providing rare data on the use of organic materials that typically decay over millennia. Such findings speak to the complex interaction between natural resources and symbolic behaviors in these early communities.

Perhaps the most groundbreaking insight came from the unprecedented preservation of fifty fingerprints impressed on the clay artifacts. Through forensic-style analyses, researchers identified makers ranging in age from children as young as ten years old to adults. This landmark revelation offers a direct window into the demographic breadth of artifact production, highlighting ornament-making as an intergenerational social practice. Some clay pieces, including a miniature ring barely one centimeter across, seem tailored specifically for youthful users, suggesting that the creation and use of personal adornments played a critical role in social learning and identity formation.

This evidence radically challenges long-held assumptions that symbolic uses of clay emerged only with the Neolithic transition and the rise of farming. Instead, these ornate objects illustrate that symbolic and cognitive innovations were well underway during the earlier stages of sedentarization. The Natufian beads embody a “symbolic revolution,” whereby settled lifestyles encouraged new forms of visual communication that expressed identity, affiliation, and community bonds in public contexts. Such developments set the stage for the complex social structures characteristic of later agricultural societies.

Professor Leore Grosman emphasizes that these discoveries indicate profound, foundational changes in cognition and social organization already occurring in the Late Epipaleolithic. The results reframe the Natufians not solely as precursors to farming but as cultural innovators who harnessed clay as a medium to convey meaning and forge group identities. By documenting one of the world’s oldest traditions of clay personal ornamentation, this research broadens our perspective on the symbolic capacities of early humans and the roots of sociocultural complexity.

In addition to its archaeological implications, this study has methodological significance. The researchers employed cutting-edge analytical technologies, including microscopic imaging and residue analyses, to decode both the beads’ materiality and the human interactions documented on their surfaces. Fingerprint patterning, technological traces, and pigment compositions now contribute a novel suite of proxies in studying prehistoric symbolic behavior, enhancing interpretive frameworks for future studies focused on early human material culture.

Overall, this research enriches our understanding of the dynamics of cultural expression associated with the earliest permanent settlements. It reveals that the crafting and wearing of clay ornaments was not a marginal phenomenon, but an embedded social practice interwoven with ecological knowledge, technological skill, and identity negotiation. These insights compel a reevaluation of the cognitive and social evolution accompanying humanity’s transition from nomadic foragers to sedentary societies, highlighting that intangible symbolism often precedes and facilitates major economic and social transformations.

This compelling narrative opens new avenues for archaeological inquiry, inviting scholars to revisit other late Paleolithic sites with an eye toward identifying overlooked symbolic artifacts. At a time when modern society grapples with questions of identity and belonging, these ephemeral yet enduring tokens from our distant ancestors remind us that the human drive to craft meaning through material culture is both ancient and deeply rooted in our shared history.

Subject of Research: People

Article Title: Modelling identities among the first-sedentary communities: emergence of clay personal ornaments in Epipaleolithic Southwest Asia

News Publication Date: 18-Mar-2026

Web References:
Science Advances Article DOI: 10.1126/sciadv.aea2158

Image Credits: Laurent Davin

Keywords: Archaeology, Paleolithic Age, Human Evolution, Anthropology

β-Catenin, a pivotal player in the Wnt signaling pathway, is well-known for its role in the development and progression of numerous cancers. Its aberrant accumulation in the nucleus amplifies oncogenic signals, resulting in the activation of genes that foster tumor growth and metastasis. This study meticulously explores the molecular mechanisms by which 15,16-Dihydrotanshinone I intervenes in this process, providing a detailed analysis of its inhibitory effects on β-catenin’s translocation to the nucleus.

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The synthesis of 15,16-Dihydrotanshinone I marks an important milestone in medicinal chemistry, showcasing innovative approaches to drug development. Its efficacy was assessed through a series of rigorous in vitro and in vivo experiments, demonstrating not only its ability to impede β-catenin nuclear translocation but also its impact on downstream signaling pathways pertinent to cancer cell survival. The results are not only promising but also reflect a meticulously crafted approach that emphasizes both efficacy and safety.

Cancer cells have been shown to adapt their metabolism to support aggressive growth, with altered lipid metabolism playing a significant role. CD36 is a critical receptor in this context, mediating fatty acid uptake and fostering lipid biosynthesis within tumors. The ability of 15,16-Dihydrotanshinone I to target this receptor could fundamentally change our approach to cancer therapy, focusing on the metabolic reprogramming of cancer cells rather than solely targeting their proliferative capacities.

Moreover, the potential applications of this groundbreaking compound extend beyond its current findings. Researchers are optimistic about its use in combination therapies, which have shown promise in enhancing the efficacy of existing treatments. By integrating 15,16-Dihydrotanshinone I into current therapeutic regimens, oncologists may improve patient outcomes significantly, especially for those with advanced or treatment-resistant cancers.

As this research continues to unfold, the implications for clinical application are profound. Researchers emphasize the potential for this compound to be developed into a therapeutic agent, potentially offering a new line of defense for patients facing some of the toughest challenges in oncology. Clinical trials, however, will be necessary to evaluate not only the efficacy of 15,16-Dihydrotanshinone I but also its long-term safety and tolerability in human patients.

The study’s multifaceted approach also sheds light on the biochemical pathways involved in cancer progression, highlighting how a deeper understanding of these processes can lead to more effective interventions. By elucidating the intricate relationship between β-catenin signaling and cellular metabolism, the researchers have opened new avenues for exploration in cancer biology.

In summary, the discovery of 15,16-Dihydrotanshinone I as a β-catenin-targeting inhibitor represents a significant advancement in cancer research. Its ability to inhibit nuclear translocation and reduce CD36 expression suggests a potent therapeutic option that merits further investigation. As we venture into an era of personalized medicine, the insights gained from this study will undoubtedly contribute to the development of targeted therapies that can effectively combat cancer with improved precision and outcomes.

This innovative study not only highlights the importance of targeting metabolic pathways in cancer treatment but also illustrates the continuous need for research and development in the field of oncology. The application of compounds like 15,16-Dihydrotanshinone I could usher in a new age of cancer therapeutics, bridging the gap between research and practical application to improve the prognosis for countless patients worldwide.

With ongoing studies and future clinical trials, the anticipation surrounding 15,16-Dihydrotanshinone I is palpable. The scientific community eagerly awaits further revelations about this promising compound and its potential role in reshaping cancer therapy, ultimately striving for a future where cancer may become a more manageable condition rather than a terminal diagnosis.

Subject of Research: Cancer treatment using 15,16-Dihydrotanshinone I as a β-catenin-targeting inhibitor.

Article Title: 15,16-Dihydrotanshinone I, a novel β-catenin-targeting inhibitor that inhibits its nuclear translocation and reduces downstream CD36 expression in cancer.

Article References:

Chen, M., Chen, B., He, Q. et al. 15,16-Dihydrotanshinone I, a novel β-catenin-targeting inhibitor that inhibits its nuclear translocation and reduces downstream CD36 expression in cancer.
J Transl Med 23, 1335 (2025). https://doi.org/10.1186/s12967-025-07317-1

Image Credits: AI Generated

DOI: https://doi.org/10.1186/s12967-025-07317-1

Keywords: 15,16-Dihydrotanshinone I, β-catenin, CD36, cancer therapy, nuclear translocation, metabolic pathways, oncogenesis.