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Tag: "cultural" at biology news

Chimpanzees can transmit cultural behavior to multiple 'generations'

...icient for transmission of behavior along multiple cultural generations." This research may contribute to a...x behaviors in the wild. "By conducting controlled cultural experiments with captive chimpanzees, we are able to learn more about wild population-specific behav...

Study may help slay 'Yellow Monster'

...ht be more the result of limited access to care or cultural boundaries that may prevent people from seeking care. A goal of the partnership is to address these disparities by training Native students for cancer-related careers. In this way, Stearns and her students can help slay the yellow monster, whether ...

Report finds cruise industry is protecting the precious places it visits

... cruise tourism, while maintaining the natural and cultural integrity of cruise destinations. "As cruise line...eral case examples of successful environmental and cultural management in popular cruise destinations including: Philanthropic funds created by the cruise lin...

Genetic and environmental influences on alcohol consumption among rhesus monkeys

...tudies of humans are complicated by a multitude of cultural and day-to-day-living factors, researchers in the March issue of Alcoholism: Clinical & Experimental Research use rhesus monkeys to examine genetic and environmental influences on alcohol consumption. Results indicate that, just as with humans...

Pregnancy drugs can affect grandkids

... of anthropogenic habitat barriers seems to hinder cultural transmission of song types over distances, resulti...l deterioration. Because of their rapidly evolving cultural nature, bird vocalisations might become an early warning system detecting the effects of fragmentati...

Bird song changes sound alarm over habitat fragmentation

... of anthropogenic habitat barriers seems to hinder cultural transmission of song types over distances, resulti...l deterioration. Because of their rapidly evolving cultural nature, bird vocalisations might become an early warning system detecting the effects of fragmentati...

Asian immigrants in NYC not receiving HIV education at religious institutions

...he disease as of the end of 2004. "Language and cultural barriers, as well as discrimination, isolate many immigrants from the wider society," said Chin, whose parents immigrated from Korea in the late 1950s. "They therefore rely heavily on immigrant community institutions to obtain social, economic and ...

Human brain is still evolving

... between the genetic evolution that we see and the cultural evolution of humans was causative, or did they synergize with each other?" Lahn said that the geographic origin and circumstances surrounding the spread of the haplogroups can only be surmised at this point. "One can make guesses, but our study does...

Genetically modified maize not found in southern Mexico

...f native maize is an important resource with great cultural significance," Snow said. "If farmers think that their highly revered native plants have been altered by transgenes, they might even stop planting them." "No one knew how common transgenic corn was in this area, we thought it could be as high as 5 t...

Lactose intolerance linked to ancestral environment

...ior at Cornell. "This is a spectacular case of how cultural evolution -- in this case, the domestication of cattle -- has guided our biological evolution." Although all mammalian infants drink their mothers' milk, humans are the only mammals that drink milk as adults. But most people -- about 60 percent and ...

Organic farms produce same yields as conventional farms

...time on organic farms because of the dependence on cultural practices to supply nutrients and control pests and because labor costs average about 15 percent higher in organic farming systems, the higher prices that organic foods command in the marketplace still make the net economic return per acre either equ...

Team of international scientists departs today to discover the unknown in China's Himalayan region

...on Everest: Mission Himalayas" is a scientific and cultural journey to explore one of the planet's richest and most biologically diverse regions. The expedition begins today with a month-long exploration in China where scientists, conservationists, Imagineers from Disney and filmmakers from Discovery Networks...

AIDS expert says global strategy needed to combat feminization of HIV/AIDS

...isease. Women are particularly vulnerable to such cultural factors as their relative lack of power in sexual relationships, widespread poverty, policies that deny women an education and tolerance of violence against women. The excessive biological vulnerability to HIV among young women, is believed to be du...

Mayan stingless bee keeping: Going, going, gone?

...ss bee keeping on the Yucatan ?a result of ongoing cultural change and habitat loss. "In our initial surveys of bee keepers working with native bees in the eighties, we estimated that they maintained more than a thousand active hives. In 1990, we only found around 400 hives, and in 2004, only 90. At this rat...

Cultural norms not unique to human societies

Humans are not alone in their desire to conform to cultural norms, according to new study findings that confir...hood and say that although other species show some cultural behaviors, the level of cultural variation shown by chimpanzees is exceeded only by humans. The stud...

Biased reporting found in cancer prognostic studies

...ollecting and annotating data, as well as a needed cultural change within the field of tumor marker research. Citations: # Article: Kyzas PA, Loizou KT, Ioannidis JPA, Selective Reporting Biases in Cancer Prognostic Factor Studies. J Natl Cancer Inst 2005;97:1043?5. # Editorial: McShane LM, Altman DG, Sauerb...

More animals join the learning circle

...eding behaviour. The findings add to evidence that cultural learning is widespread among animals. One study ...f Australia were the first marine mammals in which cultural learning was observed. They apparently learn from group-mates how to use sponges to protect their sn...

Antiretroviral Therapy May Prevent HIV Transmission From Breastfeeding Mothers To Infants

... cost of formula, lack of a safe water supply, and cultural norms. Roger L. Shapiro, MD, MPH, of the Harvard School of Public Health, led the research in Botswana. In the first study, the researchers measured the concentrations of three antiretroviral drugs, nevirapine, lamivudine, and zidovudine, in the blo...

Innovative collaboration brings Arctic science into the classroom

... inquiry, builds on the outstanding scientific and cultural opportunities of the Arctic to link research and education through intriguing topics that will engage students and the wider public. This is Dr. Holmes' second year of participating in TREC. During their expedition, Holmes and Clapp will have daily c...

Papers of DNA Pioneer and Nobel Laureate Francis Crick Added to National Library of Medicine’s Profiles in Science Web Site

...lix has not only reshaped biology, it has become a cultural icon, represented in sculpture, visual art, jewelry, and toys.?/p> During a research career spanning more than 50 years, the theoretical biologist and biophysicist also made fundamental contributions to structural studies of important biological ...

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