In the News
New Research Points Toward Mechanism Of Age-onset Toxicity Of Alzheime
Like most neurodegenerative diseases, Alzheimer's disease usually appears late in life, raising the question of whether it is a disastrous consequence of aging or if the toxic protein aggregates that cause the disease simply take a long time to form. Now, a new study shows that aging is what's critical. Harmful beta amyloid aggregates accumulate when aging impedes two molecular clean-up crews from getting rid of these toxic species. Better Births Feature Continuous Care For Moms, 'Kangaroo'Care For Kid
When it comes to giving birth, some traditional approaches could result in happier and healthier moms and newborns, according to two research reviews. Women who have a midwife, doula or a supportive family member with them throughout labor are more likely to have a shorter labor, less likely to use painkillers during labor and more likely to be satisfied with their childbirth experience, compared to those who receive regular hospital care. Enormous Spider Web Found In Texas
A massive spider web first spotted covering several acres of oak-elm woodlands along a Lake Tawakoni State Park trail in early August made national and international headlines throughout the Labor Day Weekend. Stumped as to the web's origin, the initial consensus of arachnologists and entomologists who saw an online photo of the web sent by Texas Parks and Wildlife Department biologist Mike Quinn was that it may have resulted from a "mass dispersal"event. In such an event, millions of tiny spiders or spiderlings spin out silk filaments to ride air currents in a phenomenon known as "ballooning." Role Of Oxidative Stress In Diseases Illuminated Through Subcellular
Scientists have found a means to discover more about what role oxidative stress plays in the development of diseases by studying it at the subcellular level. Oxidative stress is known to underlie many human diseases including atherosclerosis, Parkinson's disease and Alzheimer's disease. Tuck Professor Uses Statistical Formula to Predict the Academy Award f
This February 2005 news release (witha link to the full report) describes how a "professor of international economics at the Tuck School of Business at Dartmouth used a combination of history and statistics to forecast who will receive the highest honor in filmmaking."The "formula relies on three variables: a film's total Oscar nominations, number of Golden Globes won, and whether or not it's a comedy."From the Tuck School of Business at Dartmouth. Give Your DVD Player the Finger
An RFID-powered copy-protection scheme is in the works that would require a fingerprint scan or password just to screen a DVD in your home. It's one of the most restrictive anti-piracy plans to date. By Katie Dean. Bright Tumors Mean Dim Prospects
It doesn't matter how small or large it is, if a cervical tumor glows brightly in a PET scan, it's apt to be more dangerous than dimmer tumors. That's the conclusion of a new study of cervical cancer patients. The researchers showed that patients who had a high tumor SUV were more likely to have aggressive disease: They were likely to have cancerous cells in their lymph nodes, persistent disease after initial treatment, recurrence of disease in the pelvis and lower survival rates. Snowflake chemistry could give clues about ozone depletion
Ice chemists are studying the surface structure of snow crystals and why sharp transitions in shape occur at different temperatures. The differences they see not only explain why no two snowflakes are identical, but also hold implications for their ozone research in the Arctic Ocean region. High-quality Marriages Help To Calm Nerves
A University of Virginia neuroscientist has found that women under stress who hold their husbands' hands show signs of immediate relief, which can clearly be seen on their brain scans. "This is the first study of the neurological reactions to human touch in a threatening situation, and the first study to measure how the brain facilitates the health-enhancing properties of close social relationships,"says Dr. James A. Coan. Fatal Brain Disease Holds Clues To Dementia
Scientists at Melbourne's Howard Florey Institute have uncovered a clue about the causes of dementia in Huntington's disease by showing that mice susceptible to Huntington's disease have problems with learning and memory before the diseases' typical movement problems appear. The Florey scientists also discovered that in Huntington's diseased brains, information processing between neurons is disrupted, but the neurons do not die, which means the brain may respond to new anti-dementia drugs that can restore memory.
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