{"id":457921,"date":"2026-06-03T00:03:08","date_gmt":"2026-06-03T00:03:08","guid":{"rendered":"https:\/\/www.newsbeep.com\/nz\/457921\/"},"modified":"2026-06-03T00:03:08","modified_gmt":"2026-06-03T00:03:08","slug":"how-stone-tools-fire-and-language-paved-the-highway-to-artificial-intelligence","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/nz\/457921\/","title":{"rendered":"How Stone Tools, Fire, And Language Paved The Highway To Artificial Intelligence"},"content":{"rendered":"

Wednesday, 3 June 2026, 9:16 am
Opinion: Independent Media Institute<\/a><\/p>\n

Many people are overwhelmed by the fast-paced evolution
\nof mass communication in a world increasingly shaped by the
\ninternet and artificial intelligence (AI). Yet ideas have
\nnot always circulated across the globe at lightning
\nspeed.<\/p>\n

Looking into deep time allows us to view our
\ncurrent mode of existence from a broader perspective and to
\ndiscern patterns of change that may offer insights into our
\nspecies\u2019 possible trajectories in the future. We can begin
\nby trying to identify the conditions under which humans
\ndeveloped complex symbolic communication, which is
\nconsidered unique in the animal kingdom. Today, we have
\nsucceeded in transposing incredibly complex digital
\nlanguages, beyond the grasp of the human mind, into
\ncomputerized systems capable of processing, storing, and
\nsharing all kinds of information with the push of a button
\nor a click of a mouse.<\/p>\n

Human language is at the root
\nof this system. While hardly perceptible in the
\narcheological record, hominin physiognomy assessed from the
\nfossil record allows us to observe that the capacity to
\nvocalize across a significant range dates back to a very
\nearly time period. Physical features linked to resonance
\ncomplexity and articular precision, like the low positioning
\nof the larynx, an enlarged pharyngeal cavity, and a flexible
\ntongue housed in an ample palate, were already part of the
\nhuman anatomy by the time Homo erectus emerged in
\nAfrica nearly 2 million years ago.<\/p>\n

Somatic
\nharmonization, necessary for speech production, is ensured
\nby the tiny and crucial hyoid bone, a floating anchor for
\nthe muscles controlling the tongue, throat, and voice box as
\nthey work together to regulate sounds emitted during speech.
\nPaleoanthropologists studying the position, geometry, and
\ninternal structure of Neanderthal hyoids discovered in
\narcheological sites found them to be nearly identical to
\nthose of anatomically modern humans, suggesting that they
\nwere already capable of emitting a similarly sophisticated
\nrange of sounds. Evidence from Spain also reveals that
\nmodern hyoid morphology was present by at least 530,000
\nyears ago, indicating that it could be a derived
\ncharacteristic shared by modern humans and pre-Neandertals,
\nwhich they inherited from their last common
\nancestor.<\/p>\n

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The ability to emit a wide range of
\nvocalizations characteristic of modern human language did
\nnot appear abruptly, but rather, was favored over millennia
\nby interrelated adaptive elections taking place under the
\nevolutionary orchestration of both natural selection
\nand techno selection. As early as around 7 million
\nyears ago, some early primates displayed several
\ncraniofacial modifications believed to have evolved, at
\nleast in part, to accommodate bipedal locomotion. These
\nincluded features such as reduced prognathism, more gracile
\njawbones with smaller teeth, and a restructured skull base,
\nall of which subsequently facilitated the anatomical tweaks
\nnecessary to increase the human capacity to pronounce a wide
\nrange of sounds.<\/p>\n

By the time hominins began
\nsystematically making stone tools some 2.6 million years
\nago, a series of changes in the archeological record
\nreflected the significance of this adaptive strategy. Around
\n1.75 million years ago in Africa, these (Oldowan)
\nassemblages were progressively replaced by Acheulian
\nindustries comprising tools with wider technological and
\nmorphological variability, including skillfully manufactured
\nand (esthetically pleasing) premeditated forms, like spheres
\nand symmetrical pointed tools called handaxes, which
\nrequired high degrees of dexterity to make.<\/p>\n

Observing
\nsynapses activated during experimental tool replication has
\nshown that the cognitive processes involved in passing on
\nthe skills necessary to make such tools are linked to those
\nactivated by language. Furthermore, evidence from ancient
\nDNA analysis suggests that regulatory genetic variants
\nfavoring language-producing abilities underwent long-term
\nevolutionary selection in hominin populations, with some of
\nthese features predating the divergence of modern humans and
\nNeanderthals.<\/p>\n

Fully embracing the advantages offered
\nby their newfound technological proficiency, Acheulian
\nhominins benefited from access to the choicest morsels of
\nmeat and viscera to feed their developing brains. They
\nexperienced unprecedented demographic expansion and
\nassembled into more complex group settings sheltering
\nnumerous individuals. Eventually wielding fire, Acheulian
\npopulations spread into new lands within and beyond Africa,
\nutilizing their rapidly developing technologies to confront
\ndiverse environmental and social challenges.<\/p>\n

Some
\narcheologists have described this process as a biocultural
\nfeedback loop, in which unprecedented cerebral growth
\n(supported by higher protein intake) was linked to
\ntoolmaking. This process was catalyzed by increasing social
\ncomplexity, reinforced by the development of culture, and
\nfavored the selection of symbolic communication.
\nLanguage\u2014the preponderant expression of symbolic
\ntransmission\u2014initially developed as a survival-related
\nresponse to effectively transmit technological competence,
\nand ultimately became a means to express multifaceted
\ncultural norms developed to promote social
\nproficiency.<\/p>\n

There is no doubt that culture evolves;
\nthat it was\/is transmitted socially through learning
\nprocesses that have been intricately developed over time and
\nnow extend well past adolescence and, in some cases, beyond
\nthe optimal reproductive age for women. Culture is
\ninherently cumulative: it is an aggregate of past human
\nexperiences, errors, discoveries, adaptations, and
\nrectifications to deduce scientific and philosophical
\ninsights about the universe\u2014and our place in it. Symbolic
\ncommunication, expressed as language and writing, and later
\nalso as art and music, reinforces cumulative culture by
\nallowing us to express, preserve, and share knowledge beyond
\ntime constraints.<\/p>\n

The story of technological evolution
\nfollowing the emergence of the Acheulian reveals two major
\nforces that still operate today: acceleration and
\ncomplexification. By the end of the Acheulian and into the
\nMiddle Paleolithic period and beyond, technological and
\n(linked) social achievements accumulated exponentially,
\nwidening the baseline upon which hugely transformative
\naccomplishments emerged. At the same time, populations
\nmultiplied, creating interrelational networks that favored
\nreproductive, material, and cultural exchanges.<\/p>\n

I have
\nproposed defining this phenomenon as a fractalization
\nprocess, insofar as each branch replicates the underlying
\nevolutionary patterns, overcoming the constraints of its
\nancestral source while retaining the full spectrum of human
\ncognitive expression. In this model (that is comparable to
\nbiological natural selection), small variations or
\nadjustments can lead to exponentially magnified outcomes
\nthrough recursive and effectively infinite cycles of
\nreproduction.<\/p>\n

By the time our own species came on the
\nscene more than 200,000 years ago, culture had flourished
\ninto symbolic material expressions, inexorably linked to the
\ntechnological and social realities of past human lives.
\nFire, for example, provided ample fodder for experimenting
\nwith the power of transforming existing materials, enabling
\nnew capacities during the Neolithic and Metal Ages, with
\nsuccessive discoveries, such as pottery and, eventually,
\nglass and metallurgy, transmuting and enabling new societal
\nparadigms.<\/p>\n

Following the shift from hunter-gatherer to
\nproduction-based lifeways, technological complexity split
\nindividual role-playing into distinct occupations,
\nsharpening perceptions about (imagined) interpersonal
\n\u201cvalue\u201d within social settings. As populations swelled
\nand collective living arrangements expanded, these systems
\nbecame structured around complex symbolic interactions,
\nmaterial cultures, territorial identities, and hierarchies
\nconstructed to sustain group cohesion. Importantly, social
\norganization came to rely upon artificially constructed
\n(symbolic) notions that led regionally assembled groups to
\ncontrast their ideas of communal belonging (identity) with
\nthose existing in neighboring territories. As competition
\nfor land and resources increased, these contrasting symbolic
\nrealities became a justification for (sometimes violent)
\ninterpopulation conflicts.<\/p>\n

Communication networks grew
\nincreasingly complex alongside expanding production and
\nterritorial markets, accelerating the spread of cultural and
\nmaterial exchanges. Protohistoric societies developed early
\nwriting systems based on symbolic signs used as mnemonic
\nstrategies to represent ideas and objects. Emerging
\nindependently in regions such as Mesopotamia, Egypt, Central
\nAmerica, and China, these systems gradually evolved from
\npictorial symbols into stylized phonetic and logographic
\nwriting largely detached from their original visual
\nmeanings.<\/p>\n

Throughout human experience, learning has
\nbeen central to survival, with scientific and behavioral
\ncomplexification acting as a driving force to develop
\nsophisticated new ways to educate, demonstrate, and train
\neach successive generation to become effective agents of our
\nseemingly unstoppable technological proficiency. Presently,
\nideas move instantaneously across space and time through
\nglobal communication networks. Digital platforms make
\ninformation accessible worldwide, shrinking distances and
\nconnecting populations, while promoting mass media and
\nconsumer culture. Often shaped by corporate interests that
\ninfluence production, consumption, and resource distribution
\nin a world driven by digital images and symbolic messaging,
\nglobal connectivity has become the force shaping human
\nthought and social organization.<\/p>\n

Uniformity is
\nincreasingly becoming a defining characteristic of human
\nlife shaped by digital communication. Despite the
\ntechnological sophistication of the systems that mediate and
\ntransmit human thought, we are adopting simpler forms of
\ncommunication, homogenizing language, and gradually adapting
\nour patterns of thinking to fit the digital platforms used
\nto express them. The next stage of human evolution involving
\nthe merging of human intelligence with AI may already be
\nhere. As we become increasingly dependent on computerized
\ntools to function within contemporary social environments,
\nthe ability to communicate effectively through digital means
\nis emerging as a fundamental requirement.<\/p>\n

At the end
\nof the 1980s, screenwriter Maurice Hurley and the creators
\nof Star Trek showed remarkable foresight in creating
\nthe Borg: fictional cybernetic organisms linked through a
\nsingle collective consciousness in which thoughts and
\nactions are shared and controlled by a powerful centralized
\ncomputer system. In this dystopian vision of the future, the
\nBorg\u2019s main purpose is to assimilate other species in
\npursuit of greater knowledge, efficiency, and power. Once
\nassimilated, subjects lose their individuality and become
\nlinked to the Collective (or hive mind).<\/p>\n

As
\nhumanity moves toward a predicted state of post-humanism
\n(human-machine hybridization) and the boundaries between
\nhuman cognition and machine intelligence become increasingly
\nblurred, it is worth asking whether this vision already
\nmirrors some aspects of our own interconnected and
\ntechnology-mediated world.<\/p>\n

Author
\nBio: Deborah Barsky is a writing fellow for the
\nHuman Bridges, a researcher at the Catalan Institute of
\nHuman Paleoecology and Social Evolution, and an associate
\nprofessor at the Rovira i Virgili University in Tarragona,
\nSpain, with the Open University of Catalonia (UOC). She is
\nthe author of Human Prehistory: Exploring the Past to
\nUnderstand the Future (Cambridge University Press,
\n2022).<\/p>\n

Credit Line: This article was
\nproduced by Human
\nBridges.<\/p>\n

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