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October 23rd, 2015

In 2012, Gerald Crabtree published an article ( demonstrating the continuous decline of human intelligence (including emotional intelligence), starting thousands of years ago, through the large number of mutations (most unfavorable) which were not sanctioned by a lower and lower natural selection pressure, chiefly since the Neolithic age. As expected, the chorus of political correctness professionally optimists raised against Crabtree, stating that we live in the best age so far and that we are, certainly, the most intelligent of all humans who have lived until now… The racists too did not receive well Crabtree’s demonstration, most of them being convinced that the genotypic decrease of intelligence would be a recent only phenomenon (originating from the industrial revolution) which could somehow be stopped or even reversed…

Three years after Gerald Crabtree’s article, a study published in Nature ( comes up and, without aiming to clarify the evolution of human intelligence in its history, it confirms the thesis of Crabtree (and of those who sustained this thesis before him, including the author of this text).

Searching for the heritability of intelligence, the study published in Nature compares the genome of 1400 highly intelligent humans (having an IQ>170; as a comparison, the average IQ of Nobel Prize laureates for science is 145) to the genome of a normal intelligence control group of 3000 individuals randomly assigned from the population, both groups belonging to the white race. The study did not find any specific genes for high intelligence present in the highly intelligent group and absent in the normal intelligence control group. On the other hand, it demonstrates that there is a lower frequency of functional rare alleles in the highly intelligent group than in the control group. Rare alleles are variants of common genes which result from mutations. They are less frequent because they appeared not so long ago and they had less generations available to disperse. They are new gene variants and mostly unfavourable, including to intelligence, as also revealed by this study.

Another study published in 2012 in Nature ( shows that a great majority of these rare alleles (and an even greater majority of the potentially harmful ones) emerged during the last 5,000 – 10,000 years. This is also the period of the greatest reduction in brain volume.

Therefore, highly intelligent individuals have more of the common (old) gene variants and less functional rare (new) gene variants in their genome than people of normal intelligence. However, there are much more people with a normal intelligence. This is just apparently a paradox, since the rare alleles number is very large and not all people carry the same rare alleles.

The more ancient a man is (meaning he has more old alleles and less new alleles), the more intelligent. This is in accordance with results from studying the Kostenki Man (a Cro-Magnon dating 36.000 years ago), who is genetically closest to the current northern European peoples (having the greatest IQ nowadays). Northern European peoples also posses the oldest gene variants.

The more we travel back in time, the less new genes will we find in a human population. Returning to the primary man, the Cro-Magnon (from whom all current Eurasians originate), we will find just old genes in his genome. Being the oldest man, he is the most intelligent of all having existed so far. This is concordant with also having had the largest brain volume, with about 250 cubic centimeters more than present-day Europeans.

Cro-Magnon is a Sapiens-Neanderthal hybrid and he resulted from an extraordinary selection pressure in the extremely harsh ice-age conditions. In that age, unfavorable mutations were eliminated while a favorable mutation (extremely infrequent) spread, because of natural selection, a phenomenon which does not exist nowadays.

Following the publishing of this study in august, in Nature, discussions over human intelligence evolution should have ceased: at least from the moment of climate warming, from the peak of the ice-age (25,000 years ago), intelligence began to drop and it kept dropping and it will drop in the future as well.

The current human is, in regards of both physical attributes and intelligence, just a degenerated Cro-Magnon, as well as the future human will inevitably be a degeneration of the current one. The super-human belongs to the past, not to the future as Nietzsche wrongly assumed…

We could also estimate this past super-human’s IQ: greater than 170…


October 21st, 2015

One year ago, the genome of a Cro-Magnon who had lived 36.000 years before us in western Russia, in Kostenki, has been analysed, results emphasizing that the northern paleolithic man was superior in both intelligence and character to the contemporary man.

From all current populations of Europe, the most genetically related to the Kostenki Man are the northern ones. These populations also have the highest IQ. And these, again, have the strongest character.

The more genetically similar to Cro-Magnon, the more intelligent a population is. Drifting away from Cro-Magnon and, implicitly, from his superior intelligence, took place through genetic mutations (most of which were unfavorable) unsanctioned by natural selection and passed on to subsequent generations.

Northern people were the last to drop the paleolithic hunter lifestyle and they lived in a harsh environment which did not allow for large populations. In a numerically reduced population, there are less genetic mutations. And these mutations are, on the other hand, eliminated by the action of a greater selection pressure, imposed by a northern climate and by a hunter’s lifestyle. It is, thus, easy to understand why, from all present day Europeans, the northern European is the most genetically related to the Cro-Magnon Man, and why the northern people have a higher IQ, and why the Cro-Magnon had a considerably higher intelligence than all current populations.


În 2012, Gerald Crabtree publica un articol ( în care demonstra scăderea continuă a inteligenței umane (inclusiv a inteligenței emoționale), de mii de ani, prin numărul foarte mare de mutații (majoritatea fiind defavorabile) nesancționate de o selecție naturală cu o presiune tot mai scăzută, mai ales din neolitic încoace. Cum era de așteptat, împotriva lui Crabtree s-a ridicat imediat corul optimiștilor de profesie ai corectitudinii politice, după care trăim în cea mai bună dintre lumile de pînă acum și, desigur, sîntem cei mai inteligenți dintre toți oamenii care au trăit pînă acum… Și nici rasiștilor nu le-a picat prea bine demonstrația lui Crabtree, cei mai mulți dintre aceștia fiind încă convinși că scăderea genotipică a inteligenței ar fi doar un fenomen de dată recentă (cu originea în revoluția industrială) și un fenomen care ar putea fi cumva stopat sau chiar inversat…

La trei ani după articolul lui Gerald Crabtree, iată însă că apare un studiu în Nature ( care, fără să își propună cumva să lămurească evoluția inteligenței umane în istoria ei, vine să confirme teza lui Crabtree (și a celor care au susținut această teză înaintea sa, printre care se află și autorul acestui text).

În încercarea de a căuta eritabilitatea inteligenței, studiul apărut în Nature compară genomul a 1400 de oameni cu o inteligență de vîrf (cu un IQ>170; pentru comparație, laureații Nobel în științe au un IQ mediu de 145) cu genomul unui grup de control cu inteligență normală, ales aleator din populație, de peste 3000 de indivizi,ambele grupuri aparținînd rasei albe.

Studiul nu găsește gene specifice inteligenței înalte, gene care să fie prezente la grupul cu inteligență de vîrf și absente la grupul martor, cu inteligență normală. În schimb, studiul demonstrează faptul că în genomul grupului celor cu inteligență foarte înaltă există o frecvență mai mică a allelelor rare funcționale decît în grupul de control. Allelele rare sînt variante ale genelor comune și sînt apărute în urma unor mutații. Sînt mai rare întrucît sînt apărute mai recent și au avut la dispoziție mai puține generații pentru a se răspîndi. Sînt variante de gene noi și sînt de cele mai multe ori defavorabile, inclusiv asupra inteligenței, cum arată și acest studiu.

Un alt studiu publicat in Nature in 2012 ( arăta că majoritatea covîrșitoare a acestor allele rare (și o majoritate și mai largă a celor potențial dăunătoare) au apărut în ultimii 5.000-10.000 de ani. Aceasta este și perioada în care s-a produs cea mai accelerată scădere a volumului cerebral.

Astfel, oamenii foarte inteligenți au mai multe variante de gene comune (vechi) și mai puține variante de gene rare (noi) funcționale în genom decît oamenii cu inteligență normală. Totuși, oamenii cu inteligență normală sînt mult mai numeroși. Aceasta constituie doar aparent un paradox, pentru că numărul de allele rare este foarte mare și nu toți oamenii sînt purtătorii acelorași allele rare.

Cu cît un om este mai vechi (adică are mai multe gene vechi și mai puține noi), cu atît el este mai inteligent. Rezultatul e concordant și cu rezultatul studierii genomului Omului din Kostenki (un Cro-Magnon de acum 36.000 de ani), care este cel mai apropiat genetic, dintre populațiile europene actuale, de cele nordice, care au cel mai mare IQ. Avînd genomul cel mai apropiat de al lui Cro-Magnon, aceste populații au, deci, și variantele de gene cele mai vechi.

Cu cît ne întoarcem mai mult în timp, cu atît mai puține gene noi vom găsi într-o populație umană. Întorcîndu-ne la omul originar (din care se trag toți eurasiaticii de azi), la Cro-Magnon, vom găsi în genomul lui numai gene vechi. Fiind omul cel mai vechi, e cel mai inteligent dintre toți cei care au existat pînă acum. E concordant și cu faptul că e cel care a avut și cel mai mare creier, cam cu 250 cmc mai mare decit îl au europenii astăzi.

Cro-Magnon e un hibrid Sapiens-Neanderthal și e rezultatul unei formidabile presiuni de selecție, în condițiile extrem de aspre ale glaciațiunii. În acea vreme, mutațiile nefavorabile erau eliminate, iar o mutație favorabilă (caz extrem de rar) se răspîndea, datorită selecției naturale, fenomen inexistent astăzi.

După apariția acestui studiu publicat, în luna august, în Nature, discuțiile despre evoluția inteligenței umane ar trebui să înceteze: cel puțin din momentul în care clima a început să se încălzească, din momentul maximumului glacial (acum 25.000 de ani), inteligența a început să scadă și a scăzut continuu și va scădea și în viitor.

Iar omul actual nu e decît un Cro-Magnon degenerat, atît fizic cît și în ceea ce privește inteligența. Și omul viitorului va fi, inevitabil, o degenerare a omului actual. Supraomul aparține trecutului, nu viitorului, cum se înșela Nietzsche…

Putem avansa și o estimare a IQ-ului acestui Supraom: mai mare de 170…


În urmă cu un an, a fost studiat genomului unui Cro-Magnon care a trăit acum 36.000 de ani în vestul Rusiei, la Kostenki, iar rezultatele acestui studiu întăresc ideea că atît inteligența cît și caracterul omului paleolitic nordic erau superioare celor ale omului actual.

Dintre toate populațiile actuale ale Europei, cele mai înrudite genetic cu Omul din Kostenki sînt cele nordice. Dar aceste populații sînt cele care au și cel mai mare IQ. Și tot ele au și cel mai mult caracter.

Cu cît o populație e mai apropiată genetic de Cro-Magnon, cu atît mai inteligentă e acea populație. Îndepărtarea de Cro-Magnon și, implicit, îndepărtarea de inteligența superioară a acestuia s-a realizat prin mutațiile genetice (cele mai multe fiind nefavorabile) nesancționate de selecția naturală și transmise generațiilor ulterioare.

Nordicii au părăsit ultimii modul de viață al vînătorului paleolitic și au trăit într-un mediu aspru, care nu permitea supraviețuirea unor populații numeroase. Într-o populație redusă numeric mutațiile genetice sînt mai puține. Iar aceste mutații sînt, pe de altă parte, eliminate sub acțiunea unei mai puternice presiuni de selecție, impuse de condițiile climatice nordice și de modul de viață al vînătorului. Este, astfel, ușor de înțeles de ce europeanul nordic este cel mai apropiat genetic, dintre toți europenii de azi, de Omul de Cro-Magnon. Și de ce nordicii au un IQ mai mare decît ceilalți. Și de ce Cro-Magnon a avut o inteligență mult superioară tuturor populațiilor de astăzi.


When they started colonizing Tasmania, at the beginning of the 19th century, the British came to the conclusion that the inhabitants of that island were the least developed human community on Earth. The Tasmanian aborigines were incapable of mastering fire, they did not manufacture bone tools, they did not possess specialized stone tools, they did not use composite tools (e.g. axes with handles), they did not have boomerangs, spear launchers, shields, nor did they chop trees or engage in mural painting. Although they were living especially in coastal regions, the Tasmanians were incapable of fishing. Although they were living in a region with rather cold winters, they were not capable of sowing their own clothes – they could only cover their bodies with animal skins. Although they were members of the Homo Sapiens species, the material part of their civilization was inferior to the one achieved by the Homo Neanderthalensis and perhaps even by Homo Erectus (a species which most likely had already managed to master fire).


However, the British were not mistaken. The Tasmanian population was not the most evolved but the most degenerated in the entire world. The Tasmanian once had a superior material civilization, which included all of the achievements mentioned above, but which they lost in only a few thousand years.


The aborigines arrived in Tasmania at least 35,000-40,000 years ago, following a migration from Africa, along the Southern coast of Asia. At the time Tasmania was connected to Australia and only after the end of the last Ice Age did it become an island, as a consequence of a large part of the icecap melting and a rise in the water level. At the beginning of British colonization, the Tasmanian had been isolated from the rest of the world for more than 10,000 years. This was a period when they evolved on their own, without outside influence. The Tasmanian never actually suffered any British influence, as they were quickly exterminated.


Nobody provides a satisfying explanation for the degeneration of the Tasmanian civilization and that is because everything within human-related sciences is altered by various ideological filters.

’Scientists’ of political correctness (a new Inquisition of science) normally argue that the Tasmanian were too few to support civilization – even a Paleolithic-type one. It is estimated that the Tasmanian population amounted to 3,000-15,000 members. However, the Neanderthal population was of the same size, whose civilization not only did not degenerate over hundreds of thousands of years, but also continually evolved. In addition, contacts between human Neanderthal groups were not as frequent, as the area they covered was much larger than the one covered by Tasmanians. Hence, the small size of the population cannot be a serious argument for losing a certain level of civilization unless coupled with the distribution of intelligence according to the Gaussian curve. For a certain average IQ, it is necessary for a population to have a certain size in order to possess sufficient members with a sufficiently high level of intelligence in order to preserve the achievements of that civilization. For an average IQ of 60 (this was the measured IQ for Australian aborigines), the Tasmanians were too few to preserve their civilization. With an IQ which was probably much higher, the Neanderthals, although with a population not larger than the Tasmanian, had enough members to continually perfect their civilization. Nonetheless, the ’scientists’ of political correctness prefer to ignore the only plausible explanation for the degeneration of Tasmanian civilization and of any other civilization: the decrease of the IQ as a consequence of a decrease in the pressure of selection.


Racist scientists will not be particularly fond of this thesis either. If they accepted the genetic degradation of intelligence for the Tasmanian, they would then be forced to accept the same for other races which they see as being forever superior – something which would blow away the very foundations of their ideology.


Nature however does not take ideological whims into account. The decline of human intelligence has been ongoing for tens of thousands of years everywhere around the world. The cause is always the same: a lower level of natural selection.


As all other humans, except for the ones in Sub-Saharan Africa, the Tasmanians were not pure Homo Sapiens but hybrids. In their genome, around 4% were Neanderthal genes and equally around 4% were the genes of the Denisova hominin– the same proportions as for Melanesians and Australians  This is already proof of the fact that at the peak of the Ice Age Tasmanian ancestors had reached sufficiently Northern latitudes to require a high level of intelligence.


The genetic degeneration of Tasmanian intelligence did not begin only once they were isolated on the island, but long before that. On the one hand, moving towards the South and living in the equatorial and tropical climate decreased the pressure of selection: humans required fewer calories in an environment which could provide more. On the other hand, hunting was (and especially so in Australia) much easier than in Asia while predators, human’s natural competition, were also more rudimentary and less intelligent. Moreover, as the region was not inhabited by other humans until this first migration, there was no human competition either. It is obvious that the humans who migrated to Tasmania were subject to a much lower pressure of selection than the humans who migrated towards Northern Eurasia. The fact is reflected by the current difference in IQ levels: the British Australian population has an IQ of 100 while the aborigines have an IQ of 60.


A similar phenomenon, although not of the same amplitude and duration, explains the IQ decrease for American natives. They originate in a Siberian population, of which probably only a few tens of thousands of members penetrated into America, about 11,000 years ago. They did so over the Behring Strait which at the time was no covered by waters but was a strip of land covered by ice. These humans were so intelligent and efficient that in approximately 1,000 years they managed to colonize the entire continent and exterminate 80% of the North American megafauna and 85% of the South American one. In the same millennium they managed to reach a population of millions of people. The price to be paid for this spectacular expansion was a decrease of the IQ (but not as dramatic as the one in Tasmania and Australia). Having a more numerous population with a higher IQ (today it stands at 87), the American natives not only did not lose the achievements of the civilization which they brought with them on the new continent; along with the end of the Ice Age, they managed to build much more complex civilizations, similar to the Eurasians: they invented agriculture, domesticated animals, processed metals, developed urban agglomerations and even empires, they gained scientific knowledge, etc. This additional development of civilization led to an additional decrease of the IQ. Following contact with European colonists, the IQ dropped even further – first through the decimation of American native elites and then by way of an accelerated reduction in the pressure of selection due to the Industrial Revolution.


Returning to the loss of Tasmanian civilization, the phenomenon which occurred on the little island illustrates the direction that the entire world is heading towards. The fall of civilizations consists of a loss of certain achievements (material or cultural). The Egyptians were no longer capable of building pyramids. The Greeks invented democracy but lost it. The world after the fall of the Roman Empire was no longer capable for a very long time of creating buildings that were similar to those of Roman engineers. In addition, as regards philosophy, science and art, the medieval world did not manage for very long to catch up with the ancient one. At all times and places, the fall of civilizations was due to the loss of IQ. The recovery of lost achievements always occurred only as a result of significant technological progress. Technological progress worked as prosthesis to replace the increasingly weaker minds of the ever larger share of the population. For instance, the general decline of IQ in the world leads to the consequence that fewer and fewer people are capable of solving simple arithmetic operations. But the invention of the calculator and its widespread use has enabled these people to reach correct results.


The genetic degradation of intelligence is, however, an inevitable phenomenon which is irreversible, global, whose beginnings can be found during the Upper Paleolithic and which will once day lead us all to the same situation as that of Tasmanians.


Ever since the emergence of computer-based tomography and magnetic resonance technologies, all studies that sought a connection between brain volume and intelligence have found a positive correlation. Statistically, those with larger brains are more intelligent than those with smaller brain volumes. In addition, brain volume and IQ are largely hereditary.

In spite of these indisputable results, which anyone can find in scientific publications from the past 20 years, promoters of political correctness still spread the lie in the general press that there is no link between brain size and intelligence. These advocates of a new Inquisition of Science, however, do not shy away from explaining the entire anthropogenesis through a growth in brain size, which enabled a growth in intelligence, as a consequence of a higher pressure of natural selection exerted precisely on intelligence. What has been true for millions of years simply disappears today, as if through magic, under the ideological order of political correctness.

The priests of racism do not deny the correlation between intelligence and brain volume, but instead use it to justify a lie: superior races (Caucasians and Mongoloids) have evolved during the last Ice Age and, since then, nothing has changed or will ever change again. Racists notice that the brains of Africans from the Sub-Saharan region are a few tens of cubic centimetres smaller than those of Eurasians and that Africans from the same region have an inferior IQ by a few dozens of points. This is all that is of interest to the racists. Beyond the present, nothing else matters. The period of time that has elapsed between the last Ice Age and today does not exist for the racists; it too disappears under the order of ideology.

All studies on brain volumes belonging to humans from the past have shown that, on all continents, they have decreased throughout the past 20,000-30,000 years. As a matter of fact, the most dramatic decrease can be noticed precisely in Caucasians – somewhere in the region of 200 cubic centimetres. If racists compared, using the same techniques that they use now, today’s Caucasian population with the Cro-Magnon, they would be compelled to accept that the difference in intelligence between our Palaeolithic ancestors and today’s Eurasians is more significant than any difference between any of the existing populations on Earth today. The entire structure of the racist ideology would collapse if one were to admit that today’s ’superior’ races – Caucasians and Mongoloids – are merely caricature-like degenerations of the Cro-Magnon, physically as well as (and even more so) from the perspective of intelligence.

As a matter of fact, all humans today are mere degenerations of yesterday’s humans, just as domestic animals are degenerations of wild animals. All studies show that animal brain volumes decrease following domestication. Thus, a dog even twice the size of a wolf will have a brain 10% smaller than the latter’s. Moreover, for similar sizes, the brain of a dog is 30% smaller than the brain of a wolf.

Just as in the world there are more and more dogs and fewer wolves, so there are more and more stupid people and fewer intelligent ones. The pressure of natural selection is no longer being exerted on human intelligence, just as there is no longer any pressure of selection exerted on the dog’s intelligence.

In order to have a suggestive image of phenomenon consisting of the decline in intelligence, all one needs to do is watch a map of the IQ levels throughout the world. The average intelligence on the planet today is 90 IQ points. The average IQ in more intelligent populations is 100-105. Keeping this IQ map in mind, let us remember that Koko the gorilla, raised and educated in a human environment, could achieve scores of 70-95 points in IQ tests. Because Koko had to overcome not only language and cultural barriers, but also the huge barrier between species, it is very likely that the IQ of this gorilla was higher than what her scores tended to indicate. Koko’s real intelligence is perhaps somewhere within the average values of human intelligence today and is perhaps even within the average values of those populations that racists label as superior.


De cînd au apărut tehnicile tomografiei computerizate și rezonanței magnetice, toate studiile care au căutat o legătură între volumul cerebral și inteligență au găsit o corelație pozitivă. Statistic, cei cu creiere mai mari sînt mai inteligenți decît cei cu volume cerebrale mai mici. De asemenea, atît volumul cerebral cît și IQ-ul sînt în mare parte ereditare.

Cu toate că există aceste rezultate incontestabile, pe care oricine le poate găsi în publicațiile științifice din ultimii 20 de ani, flașnetarii corectitudinii politice încă răspîndesc în presa destinată publicului larg minciuna că între inteligență și mărimea creierului nu ar exista nicio corelație. Aceiași trîmbițași ai noii inchiziții a științei nu se jenează însă să explice întreaga antropogeneză prin creșterea volumului cerebral, care a permis mărirea inteligenței, consecutiv exercitării unei presiuni de selecție naturală tocmai asupra inteligenței. Ceea ce a fost valabil milioane de ani dispare azi, ca prin farmec, sub comanda ideologică a corectitudinii politice.

Preoții rasismului nu neagă corelația inteligență – volum cerebral, dar o folosesc pentru a acredita o altă minciună: rasele superioare (caucazieni și mongoloizi) s-au format în timpul ultimei glaciații și, de atunci, nimic nu s-a mai schimbat și nici nu se va mai schimba vreodată. Rasiștii constată că africanii din zona sub-sahariană au creierul cu cîteva zeci de centimetri cubi mai mic decît al eurasiaticilor și că au și IQ-ul mai mic cu cîteva zeci de puncte decît aceștia. E tot ce îi interesează pe rasiști. Dincolo de acest prezent, nimic nu mai contează. Perioada scursă de la ultima glaciație pînă astăzi nu există pentru rasiști, ea dispare tot sub comanda unui imperativ ideologic.

Toate studiile asupra volumelor cerebrale ale oamenilor din trecut au arătat că, pe toate continentele, aceste volume au tot scăzut în ultimii 20.000-30.000 de ani. Iar scăderea cea mai mare privește tocmai populația caucazienilor, fiind undeva în jur de 200 de centimetri cubi. Dacă rasiștii ar compara, cu aceeași măsură pe care o aplică populațiilor actuale, populația caucazienilor de azi cu cea a Omului de Cro-Magnon, ar trebui să constate că diferența de inteligență dintre strămoșii noștri paleolitici și noi, eurasiaticii de azi, e mai mare decît diferența de IQ dintre oricare din populațiile ce trăiesc în prezent. Dar tot eșafodajul ideologiei rasiste s-ar prăbuși dacă s-ar recunoaște faptul că rasele „superioare” de astăzi, caucazienii și mongoloizii, sînt doar niște degenerări caricaturale ale rasei lui Cro-Magnon, atît din punct de vedere fizic cît, mai ales, privitor la inteligență.

De fapt, toți oamenii de azi sînt doar niște degenerări ale oamenilor de ieri, exact la fel cum animalele domestice sînt numai degenerări ale celor sălbatice. Toate studiile care s-au efectuat arată și că volumele cerebrale ale tuturor animalelor scad în urma domesticirii. Astfel, chiar un cîine de două ori mai mare decît un lup va avea creierul cu 10% mai mic decît acel lup. Iar, la talii egale, creierul cîinelui e cu 30% mai mic decît al lupului.

La fel cum în lume sînt tot mai mulți cîini și tot mai puțini lupi, tot așa sînt și tot mai mulți oameni proști și tot mai puțini deștepți. Asupra inteligenței omului nu se mai exercită presiuni de selecție naturală, la fel cum nu se mai exercită nici asupra inteligenței cîinelui.

Pentru a avea o imagine sugestivă a fenomenului prăbușirii inteligenței, e suficient să privim o hartă a IQ-ului în lume. Inteligența medie pe glob e azi de 90 de puncte de IQ. Iar IQ-ul mediu al populațiilor mai inteligente e de 100-105. Avînd în minte această hartă de IQ, să ne amintim că gorila Koko, crescută și educată într-un mediu uman, realiza la testele de IQ scoruri de 70-95 de puncte. Deoarece Koko avea de depășit nu doar dificile bariere de limbă ori de cultură, ci și o uriașă barieră dintre specii, e foarte probabil că inteligența gorilei e mai mare decît o arată scorurile obținute de ea la testele de IQ. Inteligența reală a gorilei Koko e probabil undeva în media inteligenței umane de astăzi și poate că e chiar în media inteligenței populațiilor pe care rasiștii le proclamă superioare.