Tag: "behavior" at biology news
Children Become Gorillas In VR Zoo
...r. (Jean) Wineman, who have worked closelywith our behavior
experts. "Today, we introduce the 'virtual gorill...ght. "The best way for kids to understand gorilla behavior
is to become agorilla," said Kyle Burks, a Conservation ARC research associate. "Thisexperience is p...
From Corn Rootworms To Art, Cornell's Reactor Is At The Core
...aula Davis, assistant professor of entomology, the behavior
of this major corn pest in the hope of developing ...n beam, we can also see the corn roots and see the behavior
of the insects as they are growing. And it's all totally non-invasive." Here is how it works: The ...
Enticed By A Chemical Tease, Female Beetles Are Rewarded With A Nuptial Gift To Protect The Next Generation
...mpound with a misplaced reputation in human sexual behavior
is actually used for a sexual purpose by insects?" said Eisner. "The male Neopyrochroa beetle is borrowing a defensive agent from another insect and is using it to buy access to the female -- then rewarding the female's favor by endowing her and th...
Protein Glitch May Be Early Problem In Inherited Alzheimer's
...s scientists have assembled the first clues to the behavior
of presenilin, a protein linked to an inherited form of Alzheimer's disease. In a report published in the July issue of Neuron, they show that presenilin normally cleaves in two and that a disease-causing mutation in presenilin can prevent the clea...
Hawaiian Whales Show 'No Overt Response' To Sounds Of ATOC Simulation
...biologists, who are hired to monitor marine mammal behavior
before and during the ATOC experiment, previewed ...s. First, shore observers monitored normal whale behavior
for at least 25 minutes. Then a 25-minute session of ATOC sound (or no-sound, for experimental "...
Human-Like Ability, Categorical Perception, Found In Insects
...Cornell postgraduate associate of neurobiology and behavior
who gave crickets a perception test originally dev... R. Hoy, the Cornell professor of neurobiology and behavior
whose laboratory conducted the experiments. Researchers led by Hoy reported in 1978 that crickets c...
New Software Provides Quick Analysis of ion-Channel Activity
...searcher to develop accurate models of ion-channel behavior
based on the experimental data. The program says, "Give me a dataset and the models that you think apply, said Sachs. It then calculates which of the models provides the most likely explanation for the data and how much confidence to have in the res...
Study Examines How Mechanisms Evolve To Regulate Bee Development
...ed specifically at how juvenile hormone affectsthe behavior
of the stockier, bigger-winged drones in an attempt to gaininsight into the evolution of the mechanisms involved in the division oflabor. While drones do not participate in the division of labor, they doundergo a unique pattern of behavioral developm...
...ource? That's what Sherman, a professor of animal behavior
at Cornell, and Judd, a Cornell undergraduate at the time of the experiments and now a biology doctoral student in Colorado, wondered. And how do other mole rats, in colonies that average 75-80 closely-related kin, find their way through pitch-black...
Siblicide In Nature: Study Of Galapagos Seabird Finds Death Can Ensure Species Survival
...most southeastern island, was why. Why engage in a behavior
that would seemingly condemn the species to extinc...oby. Blue-footed boobies only engage in siblicidal behavior
during severe food shortages when the first-born bird drops below 75 percent of normal body weight. ...
Scientists Identify Gene For Sexual Behavior In Male Flies
... isolated the gene thatcontrols most or all sexual behavior
in male fruit flies. Their researchis the first to...the brain to governnearly all aspects of a complex behavior
in adult animals. The scientists from Stanford, the University of Texas SouthwesternMedical Center ...
Bigger Biology Tackled Through Keyboards
...y and immunology.Scientists want to understand the behavior
of the entire system, which ismediated by things happening on smaller and larger scales. When using models, it's important to understand their limits, Levin said.Day-to-day weather forecasts may not be possible, but long-term averagesproduce more r...
Blood Test Can Identify Some Children With Strep-Related Behavioral Disorders
... drugs, such as Prozac or Anafranil, combined with behavior
modificationtherapy. These treatments target control of symptoms, not elimination ofcauses. Medical personnel often consider the onset of tics or other involuntarybehavior in children to be the result of parental pampering and coddling, saidPatrici...
Cell-Membrane Proteins Appear To Play Key Role In Squid's Swiftness
...bles the squid's high-speed, jet-propelledswimming behavior
and may partly explain the intelligence shown by octopuses. The key element of the findings, say University of Illinois and Stanford University scientists,involves sodium channels proteins in nerve-cell membranes that generatethe electrical ...
Children With AD/HD Have Significant Functional Disabilities Related to Attention Deficit
... care for themselves, recognize appropriate social behavior
and communicate than children of similar age who were not diagnosed with the disorder. "When we applied this standard measure of disability to these children, we found that children who get referred for hyperactivity have high levels of documen...
Merging Physics And Neuroscience: First Evidence Of Self-Organized Criticality In Brain Networks
...alactivity within networks of brain cells displays behavior
that ischaracteristic of self-organized criticality. Previously seen onlyin physical processes, self-organized criticality describes complexsystems far from equilibrium that spontaneously move toward acritical state without external tuning. While...
Calorie Restriction Reduces Age-Related Muscle Loss
...restriction (CR)slows down age-related deficits in behavior
and learning, immune response,gene expression, enzyme activity, hormonal action, DNA repair capacity,glucose tolerance and rates of protein synthesis. Weindruch, who co-authored the first text on dietary restriction,an in-depth review article in Sci...
Summer Science: Firefly Babies Advertise Their Bitter Taste, UD Researchers Say
...D researchers found. This new insight into firefly behavior
may serve as an educational tool for bothadults and children this summer, Tallamy says. "The more people understand abouttheir natural world, the more they are likely to appreciate why it must bepreserved for future generations," he explains. "And, c...
Female Fireflies Lure Males For Defense Chemical
... E. Hill, postdoctoral fellow in neurobiology and behavior
at the time; Scott R. Smedley, postdoctoral fellow in neurobiology and behavior; and Jerrold Meinwald, the Goldwin Smith Professor of Chemistry at Cornell and also a member of the National Academy of Sciences. The study employed adult fireflies (whi...
A New Biochemical Link Established Between Stress, Sex And Dominance
...so do the gonads. "In our lab, we have shown that behavior
influences the brain," said Fernald. "We've seen t...productive success. Now we want to know how social behavior
can produce such changes in brain cells." He and his students looked at cortisol as a possible mecha...
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