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Showing Anthropology Stories 1 through 10 of 43.
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Working up a sweat
Dinosaurs were warm-blooded, new study says
Nov. 11,
2009 --
Were dinosaurs "warm-blooded" like present-day mammals and birds, or "cold-blooded" like present day lizards? The implications of this simple-sounding question go beyond deciding whether or not you'd snuggle up to a dinosaur on a cold winter's evening. In a study published this week in the journal PLoS ONE, a team of researchers, including Herman Pontzer, Ph.D., assistant professor of anthropology in Arts & Sciences at Washington University in St. Louis, has found strong evidence that many dinosaur species were probably warm-blooded.
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Tools of the trade
Chimpanzees develop specialized tool kits to catch army ants, finds WUSTL expert
Sept. 4,
2009 --
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| Juvenile male chimpanzee in the Goualougo Triangle, Republic of Congo. |
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Chimpanzees in the Congo have developed specialized "tool kits" to forage for army ants, reveals new research published Sept. 3 in the American Journal of Primatology. This not only provides the first direct evidence of multiple tool use in this context, but suggests that chimpanzees have developed a sustainable way of harvesting food. A team from the Goualougo Triangle Ape Project, led by Crickette Sanz, Ph.D., assistant professor of Anthropology in Arts & Sciences, studied several communities of chimpanzee throughout the Nouabalé-Ndoki national park in the Republic of Congo.
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Fishy science
First direct evidence of substantial fish consumption by early modern humans in China
July 9,
2009 -- Freshwater fish are an important part of the diet of many peoples around the world, but it has been unclear when fish became an essential part of the year-round diet for early humans. A new study by an international team of researchers, including Erik Trinkaus, Ph.D., the Mary Tileston Hemenway Professor of Anthropology in Arts & Sciences, shows it may have happened in China as far back as 40,000 years ago.
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Disputed election
Iranian administration losing legitimacy, says expert
June 23,
2009 --
As the Iranian government continues to crack down on citizens protesting against the recent disputed re-election of President Mahmoud Ahmadinejad, an expert on Iran at Washington University in St. Louis says the Iranian administration wants the legitimacy of having won an election without actually having allowed a true election to take place.
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Friendly apes
Primates evolved to be social, not aggressive Sussman tells AAAS
Feb. 16,
2009 --
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| Sussman |
Primates are social animals. But why did they become social and what are the causes for the differences in social structure among various primate species? Robert W. Sussman, Ph.D., professor of anthropology in Arts & Sciences, addressed those questions and more in his talk "A Comparative Overview of Primate Social Organization" during the 2009 annual meeting of the American Association for the Advancement of Science Feb. 15 in Chicago.
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Altruistic animals
Major interdisciplinary conference to focus on the evolution of cooperation, altruism and sociality in primates and humans
Feb. 13,
2009 --
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| Wild baboons in Africa forage for food. |
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To watch the 5 o'clock news every night, you'd think man was born to be destructive, violent and antagonistic. But that's just not the case, argue numerous prominent researchers who will gather at Washington University in St. Louis March 12-14 to discuss the nature of human sociality. The conference, titled "Man the Hunted: The Origin and Nature of Human Sociality, Altruism and Well-Being," will be the first of its kind to include academics from around the world and across multiple disciplines — anthropology, psychiatry, human evolution, biology, religion, education and medicine — to focus on the evolution of cooperation, altruism and sociality and possible factors that led to the evolution of these characteristics in primates and humans.
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Walk the walk
Increased daily travel in animals leads to more offspring
Dec. 23,
2008 -- The more an animal walks during the day, the less energy it has to reproduce. Makes sense right? Not so fast, say two WUSTL researchers. They claim, based on a study of 161 mammalian species, that on average, animals which travel the longest distance each day to find food have the most offspring. The study, the first of its kind aimed at disproving the long-standing theory that more walking equates to less reproduction, was conducted by Herman Pontzer, Ph.D., assistant professor, and Jason Kamilar, Ph.D., research associate, both in anthropology in Arts & Sciences.
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Late Neandertals and modern human contact in southeastern Iberia
New research paints picture of last Neandertals
Dec. 10,
2008 --
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| Trinkaus |
New research published by Erik Trinkaus, Ph.D., professor of anthropology in Arts & Sciences, establishes a late persistence of Neadertals in southwestern Europe some 40,000 years ago. The research sheds light on what were probably the last Neandertals on earth.
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Man the Hunted
New book further supports controversial theory
Aug. 20,
2008 --
Despite popular theories to the contrary, early humans evolved not as aggressive hunters, but as prey of many predators. "Humans are no more born to be hunters than to be gardeners," argues Robert W. Sussman, Ph.D., professor of anthropology in Arts & Sciences, in the newly-updated version of the controversial book "Man the Hunted: Primates, Predators and Human Evolution."
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Where's the beef?
Ancient cave bears as omnivorous as modern bears, research suggests
Jan. 8,
2008 --
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| Rather than being gentle giants, new research reveals that Pleistocene cave bears ate both plants and animals and competed for food with the other contemporary large carnivores of the time. |
Rather than being gentle giants, new research conducted in part by Erik Trinkaus, Ph.D., professor of anthropology in Arts & Sciences, reveals that Pleistocene cave bears ate both plants and animals and competed for food with the other contemporary large carnivores of the time: hyaenas, lions, wolves and our own human ancestors.
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