Parts of the right hemisphere of the brains of people with dyslexia have been shown to differ from those of normal readers. Researchers used magnetic resonance imaging to compare the two groups, and were able to associate the neurological differences found with different language difficulties within the dyslexic group.
Archive for June 26th, 2009
A first-ever analysis and comparison of the carbon footprints of different countries using a single, trade-linked model has been created.
Prostasin, a relatively unknown protease enzyme expressed in most epithelial cells, may play a role in the genesis of colorectal cancer. Researchers have associated a reduction in the expression of inhibitors of the enzyme with malignant cellular behavior.
A new study has discovered that chronic exposure during pregnancy to minuscule levels of carbon monoxide damages the cells of the fetal brain, resulting in permanent impairment.
Product piracy causes billions worth of damage worldwide. A combination of visible and invisible copy protection is really effective against this. Explosive embossing is an economical procedure and can be used for mass-produced goods.
In primates including ourselves, the ability to register where others are looking is key in social circles. And, according to a new report, the way our brains process gaze-direction is much more sophisticated than a simple eyes-right vs. eyes-left.
Researchers have identified a protein that helps protect immature mouse sperm from oxidative stress. When male mice over one year old lacking this protein were mated with normal female mice, an increased incidence of miscarriages and fetal developmental defects were observed. These data have clinical relevance, as age-related DNA damage to human sperm is associated with decreased fertility and increased rates of miscarriage and childhood disease.
Just one drink can quickly go to your head. Researchers tested this well-known adage. Only six minutes after consuming an amount of alcohol equivalent to three glasses of beer or two glasses of wine, leading to a blood alcohol level of 0.05 to 0.06 percent, changes have already taken place in the brain cells, as the scientists have now shown using magnetic resonance spectroscopy.
Mice who inherit a particular chromosomal duplication from their fathers show many behaviors associated with human autism, researchers report. The duplicated chromosomal region in mice is the equivalent of human chromosome 15q11-13, the most frequent cytogenetic abnormality observed in autism, accounting for some five percent of all cases.
Astronomers have now solved a long-standing mystery of the Milky Way's particle accelerators. They show that cosmic rays from our galaxy are very efficiently accelerated in the remnants of exploded stars.
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