experience 2 9

Tag: "experience" at biology news

Hope I die before I get old?

...mstance, that if something good happens, they will experience long-lasting happiness, or if something bad happens, they will experience long-term misery," he says. "But instead, people's happiness results more from their underlying emot...

How bad is malaria anemia? It may depend on your genes

...lasmodium, mice genetically engineered to lack MIF experience less severe anemia and are more likely to survive. Without MIF around to prevent blood cells from maturing, the mice appear better able to maintain their oxygen carrying capacity and don't lose as much hemoglobin, the protein found in red blood cells...

Quick -- what’s that smell?

...cation of specific odorants by the brain. Previous experience and motivational state also interact with odorant information to influence processing and identification. It still is not known how the brain deals with all this information to let us perceive odors. Using an approach that has provided insight into...

Mice learn tasks that may help treat human psychiatric disorders

...sing a cue such as the bowl's outer texture. After experience solving a number of tasks with this cue, the animals were given a new cue for finding the cereal, such as the bowl's smell. "Like people performing a series of similar tasks over and over and then having to change their focus to a new problem, the ...

Smokers invite to test vaccine against nicotine addiction

...ts up months after quitting, the person should not experience the nicotine-triggered reward that tempts most people back into the habit. Northern California smokers over 18 are invited to join a national study to determine whether NicVax can help people abstain from smoking and help them avoid relapsing withi...

Recent, rapid climate change is driving evolution of animal species

...nger life cycles and smaller population sizes will experience a decline in population size or be replaced by more southern species." "Consequently, genetic shifts in the timing of seasonal events should precede genetic shifts of thermal optima or increased heat tolerance over evolutionary time," said Holzapfel...

Pollutant haze heats the Arctic

...lt Lake City or other mid-latitude desert climates experience the same effect during winter. "When clouds are present, it doesn't get as cold at night as when they are absent," says Garrett. Smaller cloud droplets making the cloud a better blanket is the same physical behavior that explains why a potato cooks...

Just like us, social stress prompts hamsters to overeat, gain weight

...chers look at nontraumatic stress -- the stress we experience in everyday life, such as getting stuck in traffic or trying to complete a major project at work. It is distinct from traumatic stress, such as suffering the death of a loved one. Traumatic stress typically dulls the human appetite, said Bartness, th...

Fly's courtship sheds light on the formation of innate behaviors

...ctual behaviors ?those that are not based on prior experience ?arise in the developing nervous system. The work is reported by Jean-Christophe Billeter and other members of Stephen Goodwin's group at the University of Glasgow, along with research groups at Brandeis and California State University, and appears i...

New strategy developed to combat West Nile Virus

...ore mosquitoes doesn't necessarily mean that we'll experience a greater incidence of West Nile Virus. The mosquitoes themselves must first be infected with the virus. Researchers call the process through which more mosquitoes become infected 'amplification,' and there are a number of factors that lead to that s...

Study challenges myth that sex late in pregnancy hastens birth

...y to engage in sexual activity, and that women who experience abdominal discomfort or pelvic pressure ?possible signs of earlier delivery ?won't be inclined to want to have sex. Schaffir also said that because of the highly personal nature of sexual behavior, the study does not address specific components of se...

Combination therapy shows promising results in patients with advanced lung cancer

...e able to stay on the study as long as they didn't experience tumor growth. The longest duration of response was 93 weeks, Reckamp said, about three to four times longer than the average duration of response for a patient with advanced lung cancer. The study was part of the Specialized Program of Research Exce...

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

...e study shows a sensitive day-to-day dance between experience and cortisol. Experience influences stress hormone...morning, Adam and colleagues found that people who experience anger throughout the day have higher bedtime levels of cortisol and flatter overall levels of the st...

Tastes great! Study shows brain's response to pleasing -- and changing -- tastes

...focus for effective treatments in people who don't experience normal pleasure." ...

AIDS study challenges conventional treatment guidelines for HIV patients

...ing, patients with higher viral loads will tend to experience more rapid CD4 cell loss than patients with lower viral loads. Until now, however, there had been no attempt to quantify how well this observation held when considering the estimated rate of CD4 cell loss for each individual patient. Using so...

Inflammation markers identify fatigue in breast cancer survivors

... of serum IL6R/monocyte-bound IL-6R were likely to experience persistent fatigue. Battling breast cancer is a ... patients surviving other types of cancer also can experience the long-lasting fatigue syndrome, a greater proportion of breast cancer survivors endure the condit...

Ground spider diversity studied in research project

... Harris said. "This knowledge can enrich our human experience and can also be used in larger studies of biodiversity and production agriculture involving spiders." For people who think the only good spider is a dead spider, Henderson has this to say: A diverse spider population signifies a healthy habitat. ...

A simple feedback resistor switch keeps latent HIV from awakening

...his model also helps explain why some HIV patients experience short "blips" of viral activity, despite relatively low viral concentration. According to the authors, these pulses of viral activation may be due either to random increases of Tat activity or to environmental inhibitors of the SirT1 enzyme, such as ...

Circadian gene helps the brain predict mealtime

...pes of behavior, such as learning, memory, and the experience of pleasure. Knowledge of the mechanism of synchronizing an organism's physiology to mealtime is expected to improve therapies for counteracting disorders that have their roots in a disturbed circadian system, such as sleep problems, eating disord...

Buildup of damaged DNA in cells drives aging

...g DNA damage, drives the functional decline we all experience as we age. But how we respond to that damage is determined genetically, in particular by genes that regulate the growth hormone and insulin pathways," said Laura Niedernhofer, M.D., Ph.D., assistant professor of molecular genetics and biochemistry, U...

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