Trait

Searching the depths of the straits of Florida for disease cures

On Monday, the Harbor Branch drug discovery group will begin a 2-week expedition to explore the Straits of Florida in search of organisms that produce chemicals with the potential to cure diseases such as cancer and Alzheimer's. The work will include the first submersible exploration of the remote Cay Sal Bank, which encompasses a number of small, uninhabited islands 30 miles north of Cuba. Cay S...

Resveratrol prolongs lifespan and delays onset of aging-related traits in a short-lived vertebrate

By studying a particularly short-lived fish species, researchers have been able to show that a natural compound previously shown to extend lifespan in non-vertebrate organisms can also do so in at least one vertebrate species. The findings, reported by Alessandro Cellerino of the Scuola Normale Superiore, Pisa, and colleagues, support the potential utility of the compound in human aging research....

ASU researchers find link between social behavior, maternal traits in bees

One of the puzzling questions in the evolution of bees is how some species developed social behaviors. Arizona State University Life Sciences associate professor Gro Amdam thinks part of the answer can be traced back to bee reproductive traits. A paper describing Amdam's experiments, "Complex social behavior derived from maternal reproductive traits," is the cover story of the current iss...

Malaria, potato famine pathogen share surprising trait

Two wildly different pathogens ?one that infects vegetables, the other infecting humans - essentially use the same protein code to get their disease-causing proteins into the cells of their respective hosts. That's what researchers from Ohio State and Northwestern universities report in a study published in the current issue of the journal PLoS Pathogens. The scientists were surprised to l...

Can biological traits predict diversification rates in birds?

Why do some taxanomic families contain many species and others contain far fewer? There has been much debate in the scientific community over the reason for such variation, but a recent study in The American Naturalist by Albert B. Phillimore (Imperial College London, Silwood Park Campus), Robert P. Freckleton (Oxford University), C. David L. Orme (Imperial College London, Silwood Park Campus),...

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Trait

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Quantitative trait loci

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Quantitative trait

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Selective eating just an evolutionary trait?

Babies will put almost anything in their mouths. But as children get older, they become more selective about what they eat,// particularly if they have not tried it before. Green vegetables and meat can be particularly troublesome.But scientists say thousands of years ago toxins in plants could have harmed children, and meat carried a high risk of food poisoning.So it makes sense that...

Restless leg syndrome can be a family trait

Restless leg syndrome is a disorder of neurological origin. This condition happens when the urge to move one’s// legs becomes strong even if the person is stationary. The people suffering from the condition suffer from sensations like burning or itching, or even sensations of something crawling on their legs. These sensations are termed as paresthesias or dysesthesias, and may range from unpleasa...

Autistic traits evident in relatives

In a startling revelation, new study demonstrates that relatives of people with autism may display autistic brain differences and behaviours linked to the condition, even though they may not suffer from the disorder themselves. // The work, reported in the New Scientist , was presented at the annual meeting of the Society of Neuroscience, in Washington DC by Dr Eric Peterson, from th...

Are pretty faces associated with positive trait?

Ingrid Olson, a professor in Penn's Department of Psychology and researcher at Penn's Center for Cognitive Neuroscience conducted an experiment, which reported that people couldn’t resist a pretty face. //The study also said that people associate beauty with positive trait. Participants were given a fraction of a second to assess the trait attractiveness. Participants took very little...

ADHD Risk Pronounced in Children with Extreme Personality Traits

A novel study by the Florida State University has thrown light on certain personality traits in children that presage a risk of an attention// deficit hyperactivity disorder or conduct disorder. Children with personalities that show up as aggressiveness, undue mood swings, aloofness, and a constant need for excitement are said to be under high risk. FSU psychology professors Jeanette...

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Sickle cell trait

disease...