Tag: "behavior" at biology news
Scientist converts UK nuclear energy policy
...This could offer insights into the motivations and behavior
of enemies and allies, according to physician Jonathan D. Clemente, who practices in Charlotte, North Carolina. Other articles look at how nonproliferation divisions at nuclear weapons labs operate while "steeped in a culture that creates weapons o...
The social life of honeybees coordinated by a single gene
Students of the evolution of social behavior
got a big boost with the publication of the newly ...xpression early in life could foster the selective behavior
that creates the division of labor between pollen and nectar specialists. To test these proposed ...
'Wingman' -- how buddies help alpha males get the girl
...hers? The evolution and maintenance of cooperative behavior
is a classic puzzle in evolutionary biology. In so...sts are interesting because they show that similar behavior
can result from very different social and selective environments. DuVal is now a postdoctoral resear...
Howard C. Berg honored with Outstanding Investigator in Single Molecule Biology Award
...ed on better understanding the motility system and behavior
of flagellated bacteria is only one of Dr. Bergs numerous achievements. He has demonstrated the importance of working at the level of single molecules to discover the basis of fundamental cellular processes, "said John J. Canepa, CEO of U.S. Genomic...
Genes and stressed-out parents lead to shy kids
...he gene shows particularly strong relationships to behavior
in certain environments." Like all genes, the particular serotonin-related gene examined in this study has 2 alleles, which can be long or short. The protein produced by the short form of the gene is known to predispose towards some forms of stress...
Physicists reveal water's secrets in journal Science
...retical framework for describing the structure and behavior
of the water molecule atom by atom. "This became possible recently when fast multiprocessor computers enabled very accurate solutions of the equations of quantum mechanics describing the forces that water molecules exert on each other," Szalewicz s...
Man's best friend lends insight into human evolution
...e eye gaze and face orientation to monitor others' behavior
or infer motives of other subordinate or dominant individuals, or even deceive them, when competing for food. But it turns out that chimps are not very good at drawing inferences about others' mental states in cooperative situations such as when an ...
Why do birds migrate?
... compare their size, food type, habitat, migratory behavior
and whether they fed in flocks. Boyle and Conway focused on 379 species of New World flycatchers from the suborder Tyranni. One of the largest groups of New World birds, the Tyranni includes kingbirds, flycatchers, phoebes and such southern Arizon...
New study rewrites evolutionary history of vespid wasps
... single lineage with a common ancestor. Eusocial behavior
is quite rare, and generally involves the breeding...ames H. Hunt, an expert on the evolution of social behavior
in the vespid wasps. Hunt observed that many behavioral characteristics of the vespid wasps contradi...
First direct electric link between neurons and light-sensitive nanoparticle films created
...atter not much bigger than individual atoms. Their behavior
is controlled by the same forces that shape molecules; they also exhibit the bizarre effects associated with quantum mechanics. Scientists can exploit these characteristics to custom-build new materials "from the bottom up" with characteristics such ...
Three young scientists at Yale honored with Sloan Foundation Fellowships
... building our machines to elicit this same type of behavior
from humans, we hope to exploit the natural structure of social interactions to make robots more flexible, robust and intuitive to use." Scassellati will address both the technical challenges involved in the construction of the robotic systems and...
Research physiologists convene for 120th Annual Meeting
... how genes, proteins and other molecules shape the behavior
of individual cells and tissues, and how entire organ systems are integrated into a whole. As a result of these discoveries, better treatments for disease and the elimination of some disorders are likely. We invite you to join us at this year's ...
New UD technology removes viruses from drinking water
...vestigating the survival, attachment and transport behavior
of viruses in soil and groundwater aquifers. One of the projects, which was sponsored by the American Water Works Association Research Foundation, involved testing virus transport potential in soils collected from different regions across the United ...
New imaging technique tracks traffic patterns of white blood cells
...oves on prior intravital observations of leukocyte behavior
in vivo by allowing the near-simultaneous observation of cell surface markers and microdomains." Researchers explored various mouse models including that of Sickle Cell disease which is a common inherited blood disorder in the United States, affect...
Lizards shout against a noisy background to get points across
... beginning to understand how perfectly adapted the behavior
of animals can be." Ord videotaped two species of Anole lizards, Anolis cristatellus and Anolis gundlachi, in the Caribbean National Forest of Puerto Rico. He found that the more "noise" in the background, the faster and more exaggerated the movem...
Eye movement tasks can be used to assess fetal alcohol spectrum disorders
...l to probe different aspects of brain function and behavior
in this specific clinical population." The impet...ing eye-movement tasks to study brain function and behavior
in different clinical populations, including children. Study authors compared the oculomotor perf...
Chimpanzees found to use tools to hunt mammalian prey
...observed that tool-crafting and associated hunting behavior
was systematic and consistent, suggesting that it was habitual. The hunting behavior
included forceful jabbing motions into branch or trunk hollows, and chimpanzees were seen to subsequ...
Microfluidic chip helps solve cellular mating puzzle
...e to view a microfluidic chip and study the mating behavior
of yeast cells in response to different concentrations of pheromone in the presence or absence of Kss1. They were surprised to find that this second MAPK, thought to be relatively unimportant, actually helped the yeast cells do a better job of findin...
Smoking produces changes in human brain like those in animals using illicit drugs
...re altered in brain regions where their effects on behavior
Scientists will discuss creating a culture of sustainability February 19 at AAAS
...olicymakers need to understand "and exploit" human behavior
to "close the gap between the sorts of behaviors r... "[MAHB] was named to emphasize that it is human behavior
toward one another and toward the planetary systems that sustain us that requires assessment and mod...
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