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Brains response to visual stimuli helps us to focus on what we should see, rather than all there is to see

Delving ever deeper into the intricate architecture of the brain, researchers at The Salk Institute have now described how two different types of nerve cells, called neurons, work together in tiny sub-networks to pass on just the right amount and the right kind of sensory information. Their study, published online by Nature Neuroscience, depicts how specific types of inhibitory neurons in...

Did feathered dinosaurs exist?

New evidence raises questions about current theoryBiologists examining evidence for the claim that birds evolved from dinosaurs have reached some surprising new conclusions. However, they caution that "the problem of avian origins is far from being resolved." Their analysis is published online October 10, 2005 in the Journal of Morphology, published by John Wiley & Sons, Inc. and available vi...

There's something fishy about human brain evolution

Forget the textbook story about tool use and language sparking the dramatic evolutionary growth of the human brain. Instead, imagine ancient hominid children chasing frogs. Not for fun, but for food. According to Dr. Stephen Cunnane it was a rich and secure shore-based diet that fuelled and provided the essential nutrients to make our brains what they are today. Controversially, according...

Study: Competition for sex is a 'jungle out there'

Mother Nature could use a few more good pollinators, especially in species-rich biodiversity hotspots, according to a new study in the Proceedings of the National Academy of Science (PNAS). Jana Vamosi, Ph.D, postdoctoral associate at the University of Calgary and Tiffany Knight, Ph.D., assistant professor of biology in Arts & Sciences at Washington University in St. Louis, and their c...

Giant insects might reign if only there was more oxygen in the air

The delicate lady bug in your garden could be frighteningly large if only there was a greater concentration of oxygen in the air, a new study concludes. The study adds support to the theory that some insects were much larger during the late Paleozoic period because they had a much richer oxygen supply, said the study's lead author Alexander Kaiser. The study, "No giants today: tracheal oxy...

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ARE WE THERE YET?

The past two years have been particularly difficult for telecom and high-technology companies. Some pundits smugly claim that it is their own fault. Their own executives did them in, is a shout that I often hear. Another is They had it too easy for too long. Now they have to compete, and they are falling on their faces. There is some truth to those statements. But there is also...

High taxes and low rates of entrepreneurship - is there a relationship?

Holding down taxes? That...

Will there be more money for investment credits?

, the tax-credit program designed to encourage more investment in technology-based companies, might go unheeded due to the state's fiscal situation and philosophical disagreements about the act's purpose, ac...

There's a new dynamic in the stem cell debate

, however, is not yet prepared to rule out a new method of deriving stem cells from human embryos that does not...

Are there more Enrons out there?

Ken and Jeff's not-so excellent adventure is entering a new phase. Both are headed to a jumpsuit jamboree courtesy of the U.S. Federal Government. It took nearly four years but the ex-heads of Enron - Ken Lay and Jeff Skilling - were found guilty as charged last week by a thoroughly non-gullible jury of their fellow Houstonians. The duo will soon be sentenced before...

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Is there a link between bones and memory?

In a large study of elderly people, researchers have uncovered a strong link between thin bones and poor verbal memory. To investigate, Zhang and colleagues analyzed the relationship between bone mineral density (BMD) and verbal memory impairment among more than 4,300 elderly people included in the Third National Health and Nutrition Examination Survey. // The researchers found tha...

Could There Be A Link Between Famine and Breast Cancer ?

Short-term famine may be linked to an increased risk of breast cancer say researchers based on findings from a new study. // Researchers found women who experienced a short, but severe decrease in food intake during the 1944-1945 Dutch famine were more likely to develop breast cancer than women not affected by the famine. Approximately 15,000 women between ages 2 and 33 during the Dutch...

Can There Be A Diabetes Type III?

A recent study is staking a claim that there may be evidence of insulin being produced in the brain that may be a type of //diabetes. In the cases where there are evidence of insulin and related proteins being produced by the brain, the levels of both are related to Alzheimer's disease. The findings, which came out in the march, issue of the Journal of Alzheimer's Disease, say that in...

Where there is a will, there is a way!

A sexagenarian cardiac patient has entered the Guinness Book of Records after covering a 149-km route from Trest near Jihlava to Prague on foot in 28 hours. The 68-year-old Jan Klima's feat was announced Friday by Lubos Rafaj of // Dobry den agency, a Czech record database. The man from Trest, who has suffered five heart attacks and been operated several times, walked to a regular che...

Diabetic Amputation May Reduce If Free Screenings Are There

USA is all set to start a free screening program to detect peripheral arterial disease (PAD) on time to prevent loss of legs from diabetes amputations. Called Legs For Life? this program can help detect the onset of the condition early and can help to reduce the chances of having an amputation by half. // People with diabetes are especially susceptible to PAD because diabetes affects...

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Avian (Bird) Flu: Is There a Role for Rapid Tests?

With human infections of bird flu (avian influenza) reported in Asia and Eastern Europe, public health officials have moved swiftly to develop policies on surveillance, diagnosis, and treatment. The virus in question is the H5N1 subtype of influenza A, which has become epidemic...