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Step toward mapping the human decision-making process

The brain, the human supercomputer, might work more like an assembly line when recognizing objects, with a hierarchy of brain regions separately absorbing and processing information before a person realizes what they are seeing, according to new research conducted at the University of Pittsburgh and published in the Oct. 31 edition of the Journal of Neuroscience.

31 Oct 2007

Ecologists uncover links between fever and living fast, dying young

Fever is an effective defence against disease, but new research suggests that not all animals use it when exposed to infection.

31 Oct 2007

Research sheds new light on how diseases jump across species

Researchers at the University of Leeds have made a breakthrough in understanding a virus which poses one of the greatest global disease threats to wild carnivores including lions, African wild dogs and several types of seal.

25 Oct 2007

How Rhesus Macaques and Humans have conquered the world

When it comes to their social behavior, people sometimes act like monkeys, or more specifically, like rhesus macaques, a type of monkey that shares with humans strong tendencies for nepotism and political maneuvering, according to research by Dario Maestripieri, an expert on primate behavior and an Associate Professor in Comparative Human Development and Evolutionary Biology at the University of Chicago.

24 Oct 2007

New theory of how viruses may contribute to cancer

A new study suggests that viruses may contribute to cancer by causing excessive death to normal cells while promoting the growth of surviving cells with cancerous traits.

24 Oct 2007

St Bernard dog challenges the theory of creationism!

The St Bernard dog – named after the 11th century priest Bernard of Menthon – may have ironically challenged the theory of creationism, say scientists.

From The University of Manchester 24 Oct 2007

Age increases chance of success as two-timer

The coal tit appears to live a strictly monogamous life. Couples often stay together for their whole lives.

23 Oct 2007

HIV is spread most by people with medium levels of HIV in blood

People with medium levels of HIV in their blood are likely to contribute most to the spread of the virus, according to new research published in the journal Proceedings of the National Academy of Sciences.

22 Oct 2007

Longer-living, healthier mouse holds clues to human ageing

A study by scientists at UCL (University College London) shows that mice lacking the insulin receptor substrate (IRS)-1 are more resistant to ageing than normal mice.

22 Oct 2007

The accumulation of sugar in neurons may explain the origin of several neurodegenerative diseases

A phenomenon considered healthy for cells, such as the accumulation of long chains of glucose (glycogen), which tissues store for energy purposes, is harmful for neurons.

22 Oct 2007

New explanation for evolutionary changes in genetic sex-determination systems

In animals with separate sexes, embryos commit to becoming male or female at an early stage.

22 Oct 2007

Lilly and MacroGenics to develop and commercialize teplizumab

Eli Lilly and Company and MacroGenics, Inc. have announced that the two companies have entered into a global strategic alliance to develop and commercialize teplizumab, a humanized anti-CD3 monoclonal antibody, as well as other potential next generation anti-CD3 molecules for use in the treatment of autoimmune diseases.

19 Oct 2007

Evidence of same-sex mating in nature

Cryptococcus neoformans is a major cause of fungal meningitis in predominantly immunocomprised individuals.

19 Oct 2007

X chromosomes and evolution

Researchers at the University of Rochester believe they have just confirmed a controversial theory of evolution.

18 Oct 2007

New model helps explain rules governing the transmission of microbes

Many of the most successful microbes are those that inhabit but do not kill their host. Cheaters lose. Tuberculosis settles into the lungs. Helicobacter pylori, the microbe causing ulcers, burrows into the stomach where it thrives on acids. And Salmonella typhi takes up residence in the gallbladder. All of these organisms can persist in our bodies for decades. What explains their success?

18 Oct 2007

New mechanism discovered that mammalian cells employ to fight infections of the Hepatitis C virus

A team of researchers led by biologists at the University of California, San Diego has discovered a completely new mechanism that mammalian cells employ to fight infections of the Hepatitis C virus, which affects approximately 2.7 million Americans and 170 million people worldwide.

18 Oct 2007

Scientists discover how HIV evolves

University of Florida scientists have discovered how HIV evolves over the course of a person's lifetime into a more deadly form that heralds the onset of full-blown AIDS.

17 Oct 2007

Ear infection superbug found to be resistant to all pediatric antibiotics

Researchers have discovered a strain of bacteria resistant to all approved drugs used to fight ear infections in children, according to an article to be published tomorrow in the Journal of the American Medical Association (JAMA).

17 Oct 2007

Computer simulator allows visually-impaired to drive

A team of researchers from the University of Granada , in collaboration with the University of Murcia, has developed a visual aid device which significantly improves the vision of sight impaired patients; especially those suffering from pathologies with a slow progression that can eventually lead to blindness (such as Macular Degeneration, cataracts, etc.).

17 Oct 2007

Insomniac fish help understand the genetics behind sleep disorders

Scientists at the Stanford University School of Medicine have hooked a fish that suffers from insomnia in their quest to understand the genetics behind sleep disorders.

16 Oct 2007