Tag: "decisions" at biology news
Is more better: Counting birds may only tell part of the story
.... This information has been vital in management decisions
involving animal conservation. A large population of birds in a region could indicate a suitable habitat, or it could, in fact, could be the only place the animals could find, wrong for feeding, mating, and rearing young, in other words, an "ecologi...
Society for Psychophysiology Research
...bjects like cell phones and wallets and made quick decisions
to 'shoot' armed individuals and 'not shoot' unarmed ones. Behaviorally, participants were faster and more accurate to 'shoot' armed Blacks than armed Whites. By contrast, they were faster to 'not shoot' unarmed Whites. When participants made incorre...
Study in Royal Society journals presents evidence for inherited factors in homosexuality
... Park, Ascot, BERKSHIRE, SL5 7PY Strategic growth decisions
in helper cichlids by Dr D Heg, Dr N Bender and Dr IM Hamilton Subordinates of the Lake Tanganyika cichlid Neolamprologus pulcher help raise the young of dominant breeders. However, these helpers live under the ever-present danger of being evicted f...
Where in the brain decisions are made
...active when monkeys are making subjective internal decisions
about the desirability of an action--in this case,...d that the monkeys were, indeed, making subjective decisions
about which target to look at. And, the researchers found, the electrical activity of neurons in the...
Frontiers in cancer prevention research: Defeating cancer before it strikes
... for drug development; understanding how personal decisions
are linked to cancer and identifying high-risk populations; developing pre-clinical drug-testing models; and tailoring prevention strategies to genetic profiles. WHEN: Saturday Wednesday, October 16 20, 2004 WHERE: Washington State Conven...
Brain differences in adolescents, psychopaths, lend to their impulsive, risk-taking behavior
... is. "These studies suggest that adolescent decisions
may, in part, be due to a greater biological sensitivity to either rewards themselves or, more likely, the novelty of rewards," says Berns. "It is possible that a reward or novelty associated with the reward may trigger hyperactivity in still develop...
Global warming: Informal networking is the key to a swift response
..., as well as establishing trust which could enable decisions
to be taken more quickly in emergencies. One case study demonstrated the enhanced understanding and effectiveness of a government scientific adviser who spent his spare time working for voluntary conservation groups and had a better understanding...
Sex versus survival: A tradeoff at geographical range limits
...e evolution at the range limit will clearly affect decisions
about the management of these marginal populations," he continues. "A shift in how plants reproduce will also greatly affect whether or not they will be able to move with changing climates, especially rapid global warming caused by humans." Focusing ...
Computer models to simulate hypothetical outbreak of avian flu
...omputer models let us envisage the impact of these decisions
in a variety of scenarios." The ultimate goal of the project, added Eckstrand, is to identify disease prevention and control strategies that not only contain the virus, but also quickly drop the number of people infected to zero--basically eradicati...
Are animals as irrational as humans?
Animals in the wild are constantly confronted with decisions
where to nest, who to mate, where the best forage ... success. Yet many studies report that when making decisions
people often take shortcuts, using cognitive heuristics that may lead to economically irrational dec...
How city dwellers and living things put the green into our urban open spaces
...rticipants as a rare opportunity for people making decisions
at national and city level to talk face-to-face with local residents' and activists' groups. Professor Whatmore said: "This project has strengthened our grasp of the practical know-how, passionate enthusiasm and ecological concern that city residen...
Study gives US a 'C' for lagging support of international reproductive health and population efforts
...care does more than enable women to make their own decisions
about fertility. "The best kept secret is that whe... guarantee a world in which women and men can make decisions
about sex and reproduction in good health, with hope rather than fear." The complete Progress & Prom...
Impulsive behavior may be relict of hunter-gatherer past
...ragers. Modern society forces us to make either-or decisions
about delayed benefits such as education, investme...," said Stephens. "Some humans do better at binary decisions
like 'a little now or a lot later' than others. When psychologists study kids who are good at waitin...
The Molecular Profiling Institute named US provider of genetic breast cancer test
...as the potential to add positively to the clinical decisions
influencing nearly 70,000 breast cancer patients per year. Using the MammaPrint microarray assay, MPI can determine which genes are expressed in a breast cancer patient's tumor. The tumor is then classified as "good" prognosis or "poor" prognosis. Th...
Urban ecology study witnessing the birth of a 'designer ecosystem'
..."The populations are systematically altered by the decisions
that we make and the relationships of the animals have been shuffled." "There's also a relationship our researchers are seeing between the spatial distribution of where the water is, where all the plants are and where the wealth is," she noted. "Thi...
National Academy news: Water quality improvement in southwestern Pennsylvania
... data on water problems -- and to use it to inform decisions
and measure progress -- should be made as the region works to implement solutions, the committee said. As a first step toward improving its waters, southwestern Pennsylvania should improve the use of its existing infrastructure. To this end, the co...
Study in Royal Society journal on managing GM crops for environmental benefit
...for own breeding influences concurrently two major decisions
of helpers: whether to stay and how much to help. Contact: Dr Ralph Bergmller, Behavioural Ecology, University of Bern, Ethologische Station Hasli, HINTERKAPPELEN, CH-3032, Switzerland Proceedings of The Royal Society A: Mathematical, Physical and E...
Chimpanzees show quality of relationship drives sense of fairness
...nding to human economic decision-making. "Human decisions
tend to be emotional and vary depending on the other people involved," said Brosnan. "Our finding in chimpanzees implies this variability in response is adaptive and emphasizes there is not one best response for any given situation but rather it depe...
How many comparative genomes are enough?
...answers to this question. "We shouldn't make these decisions
based on seat-of-the-pants intuitions," Eddy said....not one. . . . But it's important for programmatic decisions
that we try to do more modeling and pilot studies so that we can justify these millions of dollars s...
New insight into regulation of blood stem cells
...entiation. The ability to influence stem cell fate decisions
would be expected to have a major impact on the field of stem cell therapy and to provide important in vitro model systems for the identification of genes and compounds that can be used to regulate the process of stem cell differentiation."...
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