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paleoanthropology, genetics and evolution

history of anthropology

  • Quote: E. E. Evans-Pritchard on social anthropology and humanities

    Fri, 2012-04-06 17:10 -- John Hawks

    From "Social anthropology: Past and present" [1]:

    The thesis I have put before you, that social anthropology is a kind of historiography, and therefore ultimately of philosophy or art, implies that it studies societies as moral systems and not as natural systems, that it is interested in design rather than in process, and that it therefore seeks patterns and not scientific laws, and interprets rather than explains. These are conceptual, and not merely verbal, differences. The concepts of natural system and natural law, modelled on the constructs of the natural sciences, have dominated anthropology from its beginnings, and as we look back over the course of its growth I think we can see that they have been responsible for a false scholasticism which has led to one rigid and ambitious formulation after another. Regarded as a special kind of historiography, that is as one of the humanities, social anthropology is released from these essentially philosophical dogmas and given the opportunity, though it may seem paradoxical to say so, to
    be really empirical and, in the true sense of the word, scientific.

    This passage is often cited in anthropological theory courses as an early statement of how cultural anthropology came to be seen by its practitioners as an interpretive and fundamentally humanistic discipline. The end of the passage, in which Evans-Pritchard presages the social anthropologists of the future will mainly be humanists, is indeed a polemic for an interpretive approach. But his argument for humanism is not actually anti-science in today's terms; instead it is anti-normative.

    As he described the agenda of a humanistic anthropology, Evans-Pritchard effectively described what later would be known as "historical science". Evolutionary biology, for example, is fundamentally historical rather than experimental. "Laws" are a part of evolutionary biology only in the sense that they may provide useful generalizations about the outcomes of historical (and contingent) natural processes. After the passage above, Evans-Pritchard described a research agenda for social anthropology basically akin to evolutionary biology:

    What more do we do, can we do or should we want to do in social anthropology than this? We study witchcraft or a kinship system in a particular primitive society. If we want to know more about these social phenomena we can study them in a second society, and then in a third society, and so on, each study reaching, as our knowledge increases and new problems emerge, a deeper level of investigation and teaching us the essential characteristics of the thing we are inquiring into, so that particular studies are given a new meaning and perspective. This will always happen if one necessary condition is observed: that the conclusions of each study are clearly formulated in such a way that they not only test the conclusions reached by earlier studies but advance new hypotheses which can be broken down into fieldwork problems.

    You can see that Evans-Pritchard equated a scientific approach with a positivist approach. In those days, the equation was not unreasonable. Although philosophers of science had long been probing alternatives to positivism, most working scientists -- and particularly anthropologists and archaeologists -- used a kind of naive positivist epistemology. In Evans-Pritchard's view, this kind of inquiry had tainted anthropological inquiry throughout its history by encouraging anthropological hubris. If anthropologists could find and understand natural laws of culture, they could improve the effectiveness of social policy.

    This normative element in anthropology is, as we have seen, like the concepts of natural law and progress from which it derives, part of its philosophical heritage. In recent times the natural-science approach has constantly stressed the application of its findings to affairs,the emphasis in England being on colonial problems and in America on political and industrial problems. Its more cautious advocates have held that there can only be applied anthropology when the science is much more advanced than it is today, but the less cautious have made far-reaching claims for the immediate application of anthropological knowledge in social planning; though, whether more or less cautious, both have justified anthropology by appeal to utility. Needless to say, I do not share their enthusiasm and regard the attitude that gives rise to it as naive. A full discussion of it would take too long, but I cannot resistthe observation that, as the history of anthropology shows, positivism leads very easily to a misguided ethics, anaemic scientific humanism or - Saint Simon and Comte are cases in point - ersatz religion.

    If the lecture had stopped here, it might have been remembered as an early statement in favor of anthropology as a humanistic science, rather than as humanities opposed to science. The lecture was nine years before the famous "Two cultures" lecture by C. P. Snow, but obviously takes a similar theme. But Evans-Pritchard did not take the daring route of redefining anthropological science. Instead, he observes that most future anthropologists would no longer be drawn from the sciences at all (emphasis added):

    There is, however, an older tradition than that of the Enlightenment with a different approach to the study of human societies, in which they are seen as systems only because social life musthave a pattern of some kind, inasmuch as man, being a reasonable creature, has to live in a world in which his relations with those around him are ordered and intelligible. Naturally I think that those who see things in this way have a clearer understanding of social reality than the others, but whether this is so or not they are increasing in number, and this is likely to continue because the vast majority of students of anthropology today have been trained in one or other of the humanities and not, as was the case thirty years ago, in one or other of the natural sciences. This being so, I expect that in the future there will be a turning towards humanistic disciplines, especially towards history, and particularly towards social history or the history of institutions, of cultures and of ideas. In this change of orientation social anthropology will retain its individuality because it has its own special problems, techniques and traditions. Though it is likely to continue for some time to devote its attention chiefly to primitive societies, I believe that during this second half of the century it will give far more attention than in the past to more complex cultures and especially to the civilizations of the Far and Near East and become, in a very general sense, the counterpart to Oriental Studies, in so far as these are conceived of as primarily linguistic and literary -- that is to say, it will take as its province the cultures and societies, past as well as present, of the non-European peoples of the world.

    Not a bad prediction. Evans-Pritchard did not anticipate that Orientalism would give rise to a backlash, and that anthropology would become much more reflexive and inward-looking, focused on subcultures within Western societies nearly as much as non-European peoples. But the field's actual history followed from Evans-Pritchard's basic prediction about the students of the future. Anthropology began to draw students who did not speak the language of science, and thus became more humanistic. The human sciences always have had use for cultural information, drawing in anthropologists concerned with psychological and sociological interests, but leaving students in anthropology often as a residue of those with more humanistic than scientific interests.

    A science of culture could be, and was partially, constructed along the lines of a historical science as Evans-Pritchard nearly described, but that science has been attempted more often in psychology or biology than in anthropology.


    References

  • Quote: Johanson and White on comparing samples

    Sat, 2012-03-31 20:34 -- John Hawks

    Don Johanson and Tim White, writing in their 1979 paper on the phylogeny of early hominins (and introducing Australopithecus afarensis as an ancestor of later hominins) [1]. They faced the problem of showing that similarities between the Laetoli and Hadar samples are indicative of a single species, while similarities among other samples may not be so:

    Of course, morphological and metrical comparisons should not be expected to unerringly place every single individual along an evolving lineage. Our interpretation of the South African gracile australopithecines is based on a consideration of the available sample characteristics for the fossil hominids. We are fully aware that individual traits and even single specimens can be matched in samples that we consider to represent different evolutionary entities and ultimately taxa. For example, the matching of individual specimens and demonstration of overlap between the samples from Sterkfontein and Swartkrans serve to point out the general similarities of these groups, but at the same time conceal real and biologically meaningful differences which we consider to have phylogenetic significance.


    References

  • Quote: Marshall Sahlins on Claude Levi-Strauss

    Wed, 2012-03-28 09:18 -- John Hawks

    A couple of years ago, the AAA solicited comments about Claude Levi-Strauss from Marshall Sahlins: "On the anthropology of Claude Levi-Strauss".

    Finally, one finds more than one suggestion in Levi-Strauss’s works that since anthropologists are of the same intellectual nature as the peoples they study, they have possibilities of knowing the cultures of others that are in some respects more powerful than the ways natural scientists know physical objects. The more one learns about the composition of rocks, the less they are like anything in human experience. Unlike the way rocks will always appear to us, science shows there are spaces between and within the molecules, and beyond that, at the level of quantum mechanics our knowledge defies all common sense of space and time. But if natural science starts off with the experientially familiar and ends in the humanly remote, anthropology works the other way around. One might begin with something distant or even obnoxious to us, say cannibalism in the Fiji Islands, and yet end by determining it to be “logical.”

  • Quote: Edward Sapir on language and social reality

    Wed, 2012-03-28 00:03 -- John Hawks

    Edward Sapir [1]:

    Language is a guide to ‘social reality’. Though language is not ordinarily thought of as of essential interest to the students of social science, it powerfully conditions all our thinking about social problems and processes. Human beings do not live in the objective world alone, nor alone in the world of social activity as ordinarily understood, but are very much at the mercy of the particular language which has become the medium of expression for their society. It is quite an illusion to imagine that one adjusts to reality essentially without the use of language and that language is merely an incidental means of solving specific problems of communication or reflection. The fact of the matter is that the ‘real world’ is to a large extent unconsciously built up on the language habits of the group. No two languages are ever sufficiently similar to be considered as representing the same social reality. The worlds in which different societies live are distinct worlds, not merely the same world with different labels attached.


    References

    1. Sapir E. The Status of Linguistics as a Science. Language. 1929;5:207-214.
  • Quote: Radcliffe-Brown on anthropology as a science

    Tue, 2012-03-27 17:27 -- John Hawks

    A. R. Radcliffe-Brown, in Structure and Function in Primitive Society, on the role of social anthropology as a science. Radcliffe-Brown has been considered as one of the most prominent exponents of functionalism in anthropological theory. Immediately before this passage, he disclaims being a follower of a "Functional School of Social Anthropology":

    There is no place in natural science for ‘schools’ in this sense, and I regard social anthropology as a branch of natural science. Each scientist starts from the work of his predecessors, finds problems which he believes to be significant, and by observation and reasoning endeavours to make some contribution to a growing body of theory. Co-operation amongst scientists results from the fact that they are working on the same or related problems. Such co-operation does not result in the formation of schools, in the sense in which there are eudoxies in science. Nothing is more pernicious in science than attempts to establish adherence to doctrines. All that a teacher can do is to assist the student in learning to understand and use the scientific method. It is not his business to make disciples.

    I conceive of social anthropology as the theoretical natural science of human society, that is, the investigation of social phenomena by methods essentially similar to those used in the physical and biological sciences. I am quite willing to call the subject ‘comparative sociology’, if anyone so wishes. It is the subject itself, and not the name, that is important. As you know, there are some ethnologists or anthropologists who hold that it is not possible, or at least not profitable, to apply to social phenomena the theoretical methods of natural science. For these persons social anthropology, as I have defined it, is something that does not, and never will, exist. For them, of course, my remarks will have no meaning, or at least not the meaning I intend them to have.

  • Anthropological theory and ethnography summer course

    Sun, 2012-03-25 12:57 -- John Hawks

    I am going to be offering a summer course this year that is outside my ordinary teaching rotation, Anthropology 300, "Cultural Anthropology: Theory and Ethnography". This is a survey of the history of anthropological theory. As a biological anthropologist, I have a distinctive perspective on this subject, which reflects my continued engagement with the history of anthropology and my exceptional training as a four-field anthropologist. I'm really excited to be able to offer this course to students here at UW!

    If you're in the southern Wisconsin area early this summer, I encourage you to look into this course, either as a student or guest auditor. The course is offered in the 3-week Early Session, from May 29 to June 17. This is a great schedule for students who are taking other summer classes, because it is finished before the regular 8-week session starts on June 18.

    I will be building a unique set of resources, including interviews, topical modules, and website devoted to the material. All this will be open access and free, so even if you're not in the area, I still encourage you to follow along with the course.

    I guarantee that this will be the most highly-focused and thought-provoking survey of anthropological theory - a boot camp in the history of ideas about culture and human nature. I can't wait to start!

  • New Peking Man report

    Thu, 2012-03-22 11:57 -- John Hawks

    The South African Journal of Science has a new article by Lee Berger, Wu Liu and Wu Xiujie [1], reporting on the mystery of the "Peking Man" fossils. The remains from Zhoukoudian, China, were lost at the outset of the Second World War. There have been endless speculations about the ultimate fate of the fossils, from being lost at sea in a Japanese raid to being secreted away by rogue anthropologists.

    Two years ago, Berger and colleagues received a report from the son of a former marine, Richard Bowen:

    My father was a Marine in China after WWII and he thinks he discovered bones of the missing Peking Man at a Marine base in China in 1947. He knows where these are buried there having dug them up and reburied them while under siege in Chinwangtao. I showed him the site from Google earth and it appears untouched. They may still be there buried in the boxes …

    That's where the story begins. The paper is open access and interesting to read the history. Berger and colleagues didn't locate the remains but took care to investigate the former area. They report that the remains were probably destroyed but hold out a "glimmer of hope" that impending construction at the location may yet turn up the bones that Richard Bowen reported seeing.


    References

  • Mailbag: Boas and "unconventional models" of American prehistory

    Tue, 2012-03-06 11:30 -- John Hawks

    Re: Solutrean publicity blitz:

    Dear John,

    I normally have a soft spot for unconventional models of
    American prehistory. Boas's speculations about the Iroquois
    representing a northward back migration from South America always
    fascinated me as did his idea that Raven myths found there way from
    North America to Siberia. In contrast the thinking behind the
    Solutreah hypothesis strikes even me as unimpressive.

    It helps that Boas had some observations to go on!

    Hrdlicka impresses me, how he traveled around to investigate claims of Pleistocene man in the Americas. That's the spirit I like -- take the claims seriously, go there and investigate, and report whether the evidence is good or not. We have too much arm waving today.

  • Random Scholar: "Plenty of genuine tails"

    Sun, 2012-02-26 15:08 -- John Hawks

    I was doing some research involving Aleš Hrdlička, and ran across this curious item published in Science in 1926 ("Human tails: a statement and correction"), written by W. W. Keen:

    The correction I wish to make is as follows: In my book "I Believe in God and in Evolution," I have included in the fourth edition a photograph of an Igorot with a tail, which I vouched for as I understood that it had been photographed by my own grandson, Mr. John Freeman.

    A few days ago within a few hours of each other, I received letters from Dr. Aleš Hrdlička, of the division of physical anthropology of the National Museum of the Smithsonian Institution, and Mrs. Ella F. Grove, who a year ago had been doing some work in the Philippines for the National Research Council. Both of these correspondents stated that the Bureau of Science in Manila had shown them the original of this photograph which showed that it was a fake photograph, the tail having been added to the original by a photographer, I suppose as a joke.

    On communicating with my grandson I find that I misinterpreted his letter and that he did not photograph this Igorot.

    My argument that human tails (of which I have shown that there are many undoubted instances) prove our animal ancestry is not in the least disproved by my having unfortunately used a photograph which further investigation has shown to be a fraud, for there are plenty of genuine tails.

  • Piltdown and Presapiens

    Mon, 2012-02-06 00:46 -- John Hawks

    Robin McKie has a feature article about the Piltdown hoax in the Observer today, that makes good reading for those who may not know the history of this case: "Piltdown Man: British archaeology's greatest hoax".

    The man [Dawson] had more form than Professor Moriarty. There would be no need to look any further, were it not for some nagging doubts – including one of Chris Stringer's. It's the cricket bat that gets him. "It was huge but apparently everyone missed it until the end of the dig. Until then everything had been carefully engineered: the skull fragments and artefacts, all made to look alike. And then the cricket bat turns up. It is bizarre and only makes sense if you conclude someone wanted to alert the authorities that fraud was going on, but did not want to do so publicly, perhaps to avoid bringing disgrace to the museum. So they planted something so ridiculous that everyone would surely realise it was a fake, a laugh. Unfortunately, everyone took it seriously."

    The Natural History Museum will start some new analyses hoping to match the chemical signatures in the bones to a box of dyes and chemicals later found in the possessions of Martin Hinton, an NHM scientist often suspected to have been involved in the hoax. Maybe they'll uncover other facts pertinent to the case.

    One of the interesting things I've noticed over the past decade is that Piltdown is passing into obscurity. I find it so fascinating, because Piltdown was the most celebrated "fossil" purported to prove that Neandertals had nothing to do with human ancestry. When it was found, Piltdown was argued to be Pliocene in age! Its very humanlike braincase from much earlier than the Neandertals made it seem that there were different types of humans coexisting throughout our evolution. Piltdown was not the first such specimen -- the Galley Hill skeleton had been found in 1888, some more fragmentary pieces even earlier. Over time, still more specimens were argued to represent a similar pattern -- very modern-looking skulls at very early dates. Anthropologists of the 1910's made a claim that we've often heard expressed as a "revolutionary" idea: human evolution was a bush, not a ladder, and Neandertals belonged to an extinct twig.

    We now appreciate that these "early" specimens simply weren't real evidence about the early evolution of modern humans. In the first half of the 20th century, no direct dating of specimens was possible. Site excavations often did not uncover slumping layers or intrusive burials of later skeletons into earlier archaeological horizons. Piltdown was the only outright hoax, but there were many errors of archaeological judgment that pointed in the same direction.

    That story obviously changed greatly over the years. The hoax was exposed in 1953, but its shadow would be much longer. In 1954, Henri Vallois presented the "Praesapiens theory", a set of ideas that had been coalescing in the writings of several continental anthropologists for a dozen years [1]. Vallois combined two ideas: Neandertals were too specialized to be ancestors to Aurignacian and later peoples, and these more "modern" forms did have antecedents much earlier in the fossil record of Europe. By that time, not only Piltdown but a long list of other supposed "Praesapiens" specimens had been debunked. Vallois admitted that only two were left: the Fontechevade remains and the Swanscombe skull. But after more than fifty years of commitment to a non-Neandertal human ancestor in Europe, these last scraps were enough for many anthropologists to keep the idea alive.

    It is fascinating to see how Vallois dealt with Piltdown in his account of the discredited Praesapiens specimens:

    The arguments that have risen round the Piltdown remains are too recent and too close to the feelings for there to be any reason to dwell on this very celebrated find. The researches initiated by Weiner, Oakley & Le Gros Clark have, it seems definitively, shown the lack of age of the human remains and their fraudulent introduction into the site, at the same time as they established, and still more categorically, that the mandible belonged to an ape. No good grounds would exist for returning to these facts if they had not been utilized by some anthropologists as an argument against the existence of Praesapiens. Now if, at the time of its discovery, the so-called Eoanthropus had been considered as a precocious representative of modern man, it would have been quickly rejected from the phylum of the latter by the reason of the aberrant features of its mandible. Almost all the genealogical trees placed it on a side branch without descendants. Well before the sensational disclosures referred to [citing papers debunking the hoax], the idea of Praesapiens had not for a long time relied on Piltdown man, whose exclusion from human fossils properly so called does not thus affect the essentials of the problem.

    I guess that's what they call "leading with your jaw." Vallois included a figure that illustrates the phylogenetic schemes of many previous scholars with respect to Piltdown's position:

    Vallois 1954, figure 4, showing position of Piltdown on human phylogenies

    Figure 4 from Vallois 1954. The original caption reads as follows: "Schematic representation of the genealogical trees of Homo sapiens and Homo neanderthalensis according to different authors: I Pilgrim (1915), II Elliot Smith (1924), III Keith (1927), IV Osborn (1927), V Hooton (1946), VI Kälin (1952). Sap = Homo sapiens, N = Homo neanderthalensis, P = Piltdown, S = Swanscombe, F = Fontéchevade. The broken line indicates the lower limit of the Pleistocene."

    By claiming that all these phylogenies placed Piltdown as an extinct side-branch, Vallois was deflecting the issue. It is conventional to depict a fossil on its own branch, for one can never ascertain certainly that a specimen has descendants. In these days before cladograms (which necessarily would give a specimen its own branch), authors used branch length as an indicator not only of closeness of relationship but also of their confidence in the assertion. At any rate, Vallois chose these to illustrate every possible position -- Piltdown as basal to humans together with Neandertals, Piltdown as modern human ancestor, Piltdown within the variation of humans, closer to some living races than others (as in Hooton's diagram). Vallois is correct that many anthropologists never accepted Piltdown as a modern human antecedent -- of course, many of those never believed that Piltdown was anything other than a scientific mistake. It is entirely understandable that the Praesapiens proponents wanted to bury Piltdown as quickly as possible. Piltdown did not, as Vallois wrote, affect the essentials of the problem. But the hoax worked precisely because so many anthropologists believed that a non-Neandertal human ancestor should exist.

    The idea of an African origin for modern humans bears a resemblance to the Praesapiens idea, and does share some of its intellectual history. Louis Leakey explicitly hypothesized an African Praesapiens form, and argued that the Kanam jaw and Kanjera fossil hominins represented it. But the later development of the Out of Africa model drew from another deep tradition that interpreted evolutionary transitions as a series of radiations from an evolutionary center. That's another story, one that begins from a very different legacy than the Piltdown idea.


    References

    1. Vallois HV. Neanderthals and presapiens. Journal of the Royal Anthropological Institute. 1954;84:111–130.
    Synopsis: 
    The intellectual legacy of a hoax and its effect on our view of Neandertals as ancestors

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Neandertals

For years, I've worked on their bones. Now I'm working on their genes. Read more about the science studying these ancient people.

Denisova

From a finger bone of an ancient human came the record of a completely unexpected population. My lab is working on the science of the Denisova genome.

Acceleration

The advent of agriculture caused natural selection to speed up greatly in humans. We're uncovering some of the ways that populations have rapidly changed during the last 10,000 years.

Malapa

Just outside Johannesburg, the Malapa site is producing some of the most exciting finds in human evolution. This site is the headquarters of the Malapa Soft Tissue Project.