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Typhoid fever led to the fall of Athens
Scientists have for many years debated the cause of the Plague of Athens. Analysis carried out by Manolis Papagrigorakis and colleagues using DNA collected from teeth from an ancient Greek burial pit points to typhoid fever as the disease responsible for this devastating epidemic. view more (2006-01-24)
Myelin suppresses plasticity in the mature brain
Yale School of Medicine researchers report in Science this week genetic evidence for the hypothesis that myelination, or formation of a protective sheath around a nerve fiber, consolidates neural circuitry by suppressing plasticity in the mature brain. view more (2005-09-30)
'Pregnant' protein-coding genes carry RNA 'babies'
Scientists from the Chinese Academy of Sciences have performed a comprehensive analysis of small, non-protein-coding RNAs in the model nematode, C. elegans. view more (2006-01-10)
Researchers find protein that silences genes
A team of researchers, including biologists at Washington University in St. Louis, has discovered the key role one protein plays in a major turn-off - in this case, the turning off of thousands of nearly identical genes in a hybrid plant. view more (2006-05-08)
Shift in brain's language-control site offers rehab hope
Scientists have found that the site in the brain that controls language in right-handed people shifts with aging-a discovery that might offer hope in the treatment of speech problems resulting from traumatic brain injury or stroke. view more (2005-10-10)
Grazer diversity counteracts plant diversity effects on ecosystem functioning in seagrass beds
Several influential experiments have shown that high plant diversity enhances ecosystem productivity, animal diversity, and invasion resistance. Yet theory predicts that plant and herbivore diversity, which often co vary in nature, should have countervailing effects on ecosystem properties. In the July issue of Ecology Letters, Duffy, Canuel, and... view more... (2003-07-02)
Fish species plays surprise role in aiding coral reef recovery
In a study that marks progress in understanding the basis of coral reef recovery, researchers have revealed the critical importance of a rare batfish, Platax pinnatus, in promoting the return to health of a disturbed coral reef overgrown with algae. view more (2006-12-19)
Why the 'perfect' body isn't always perfect
Having an imperfect body may come with some substantial benefits for some women, according to a new article in the December issue of Current Anthropology. view more (2008-12-03)
Past experience of pheromones induces dominant courtship behavior in fruit flies
By investigating the interplay between pheromone signaling and behavior in fruit flies, researchers have begun to understand how an adult fly's earlier experience as a young individual can influence its behavior towards other flies as an adult. view more (2005-10-11)
A new male-specific gene in algae unveils an origin of male and female
By studying the genetics of two closely related species of green algae that practice different forms of sexual reproduction, researchers have shed light on one route by which evolution gave rise to reproduction though the joining of distinct sperm and egg cells. view more (2006-12-19)
Ritualized submission and pseudo-copulation reduce aggression among male crayfish
Pseudo-copulation-an interaction that mimics sexual copulation-is a behavior known in mammalian communities that reduces aggression and signifies social dominance, particularly among males. view more (2006-11-21)
UK's MRSA problem is in the genes - Microbiology Today: February 2005 issue
Britain's MRSA epidemic may be due to the emergence of highly transmissible clones of the superbug, according to an article in the February 2005 issue of Microbiology Today, the quarterly magazine of the Society for General Microbiology. view more (2005-02-09)
Tibetan monks yield clues to brain's regulation of attention
University of Queensland researchers have teamed up with Tibetan Buddhist monks to uncover clues to how meditation can affect perception. view more (2005-06-07)
Brain, behavior may have changed as social insect colonies evolved
A new study suggests that brain and behavior relationships may have changed in a profound way as larger, more complex insect societies evolved from smaller, simpler ones. view more (2006-11-16)
Despite 'peacenik' reputation, bonobos hunt and eat other primates too
Unlike the male-dominated societies of their chimpanzee relatives, bonobo society-in which females enjoy a higher social status than males-has a "make-love-not-war" kind of image. view more (2008-10-14)
How do I love me? New study presents a twist on the conventional narcissist
A brush with a narcissist's inflated ego often leaves one reeling with resentment. Whether it is their constant need for attention or their unfounded sense of entitlement, we are often quick to attribute their shallow behavior to an unconscious self-loathing. view more (2007-02-28)
Meteorites delivered the 'seeds' of Earth's left-hand life
Flash back three or four billion years - Earth is a hot, dry and lifeless place. All is still. Without warning, a meteor slams into the desert plains at over ten thousand miles per hour. With it, this violent collision may have planted the chemical seeds of life on Earth. view more (2008-04-07)
If You're Aggressive, Your Dog Will Be, Too, Says Veterinary Study at University of Pennsylvania
In a new, year-long University of Pennsylvania survey of dog owners who use confrontational or aversive methods to train aggressive pets, veterinary researchers have found that most of these animals will continue to be aggressive unless training techniques are modified. view more (2009-02-18)
Ethnic discrimination not only based on prejudice
Our belief in power hierarchies is important in how we view and treat people. This is shown in a dissertation by Alexandra Snellman from Uppsala University that examines how racist and sexist prejudice creates social hierarchies and ethnic discrimination in various situations. view more (2007-12-05)
Deep-voiced men get the girls
Women prefer men with deep voices, research from Northumbria University has discovered. view more (2005-03-14)
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