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Tag: "cultural" at biology news

New collaborative research reveals chimpanzees can sustain multiple-tradition cultures

...o six million years ago who had a similar level of cultural complexity. For years, primatologists have sugg...e cultures in chimpanzees, which supports the idea cultural variation observed in the wild is learned,” says Dr. de Waal. “We are the first to show cultures pot...

Nurtured chimps rake it in

...to demonstrate that raising chimpanzees in a human cultural environment enhances their cognitive abilities, as measured by their ability to understand how tools work. The findings have just been published online in the Springer journal Animal Cognition. The scientists compared three groups of chimpanzees: o...

Woman's Day and For Womens of Science

...rum for debate on scientific, social, economic and cultural issues affecting the human environment. Wiener said the Madison Declaration summarizes a year-long effort by many of the world's leading mercury scientists, assembled into four expert panels, to review and synthesize the major mercury science fin...

Mercury contamination of fish warrants worldwide public warning

...rum for debate on scientific, social, economic and cultural issues affecting the human environment. Wiener said the Madison Declaration summarizes a year-long effort by many of the world's leading mercury scientists, assembled into four expert panels, to review and synthesize the major mercury science fin...

Canadian study shows bilingualism has protective effect in delaying onset of dementia by four years

...ined even after considering the possible effect of cultural differences, immigration, formal education, employment and even gender as influencers in the results. "There are no pharmacological interventions that are this dramatic," says Dr. Freedman, who is Head of the Division of Neurology, and Director of ...

The chimpanzee stone age

...man ancestors share for thousands of years several cultural attributes once thought exclusive of humanity, including transport of raw materials across the landscape; selection and curation of raw materials for a specific type of work and projected usage; habitual reoccupation of sites where garbage and debris...

40,000-year-old skull shows both modern human and Neandertal traits

...ce indicating significant levels of biological and cultural interaction between modern humans and the anatomically archaic populations (including the Neandertals) they met along the way as they spread from Africa into Eurasia." It is apparent that the Oase 2 cranium indicates there was significant modern hu...

Birth rate, competition are major players in hominid extinctions

...s of single births widely spaced. For Neandertal, cultural adaptation was not sufficient to overcome and comp...ush pigs and hyenas. " Can we, today, control our cultural behavior to ensure our environmental success," says Jablonski. "Can we control growth and populatio...

Music genes and musical geniuses

...s aspects of human evolution. Music highlights the cultural links between populations; likewise genetics gives us the means to highlight biological kinships. In this logic, we thought it would be interesting to gather musicians and researchers in a single event, to offer meetings and debates as well as entert...

Men with prostate cancer avoid radiation due to misconceptions

...ice not only on technical information, but also on cultural and personal prejudices," said Riccardo Valdagni, M.D., an author of the study and head of the Prostate Programme at the Fondazione IRCCS Istituto Nazionale dei Tumori in Milan, Italy. "It's important for patients to express their fears about radiati...

A buffet for early human relatives

...y of foods. "Thus, other biological, social or cultural differences may be needed to explain the different fates of Homo and Paranthropus," the scientists conclude. ...

Humpback whales have brain cells also found in humans

...nication skills, coalition-formation, cooperation, cultural transmission and tool usage," the authors state. "It is thus likely that some of these abilities are related to comparable histologic complexity in brain organization in cetaceans and in hominids." The authors conclude: "Cetacean and primate brain...

Beauty and the brain

... parsimonious explanation," he said, "accounts for cultural differences in beauty ?and historical differences in beauty as well ?because beauty basically depends on what you've been exposed to and what is therefore easy on your mind." ...

Adults who go to bed lonely get stress hormone boost next morning

... a 21st century look at how biological, social and cultural dynamics intersect and affect health throughout the life span. Cortisol is often characterized as a negative hormone because of evidence, mostly in animal models, that long-term elevations could be potentially harmful to physical health. But in th...

Study defines effective microbicide design for HIV/AIDS prevention

... Prevention. In developing countries particularly, cultural and socioeconomic inequities between the sexes also can leave women more susceptible. "In many cases, women lack control over their abilities to protect themselves against the virus," Katz said. "Microbicide development is a response to the demonst...

A rice future for Asia

...opment of most Asian nations, not to mention their cultural and social identities," he added. Working together with the TRF and PhilRice, IRRI is hosting a five-day rice camp (24-28 April 2006) at its headquarters in Los Baños for the Thai and Filipino students who are aged 16?8. During the five days, the s...

Polynesia explorers created worldwide web of scientific knowledge

... and public opinion," wrote Liebersohn, a European cultural and intellectual historian at the University of Illinois at Urbana-Champaign. Braving extremes of polar cold and equatorial heat, the scientific voyages that sailed around Cape Horn between 1750 and 1850 systematically surveyed and studied the terra...

Wild meerkats school their young

...ential if we are to further our knowledge of human cultural evolution and for us to examine the relations between culture in our own species and cultural behaviour in other animals." Like any good teacher, the helpers would also monitor the pup after t...

Cultural transmission in bats: When listening for dinner, bats learn from their neighbors

...ns could spread rapidly through bat populations by cultural transmission. ...

Use of stone hammers sheds light on geographic patterns of chimpanzee tool use

...g that challenges a long-held belief regarding the cultural spread of tool use among chimpanzees, researchers ...stricted by geographical boundaries that prevented cultural spread of the technique from animal to animal. The findings, which involve the most endangered and l...

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