In the News
Weapon Performance Determines Mating Success In The Collared Lizard
In a study published in the September issue of The American Naturalist, A. Kristopher Lappin (Northern Arizona University) and Jerry F. Husak (Oklahoma State University) use the eastern collared lizard (Crotaphytus collaris ), a sexually dimorphic lizard in which the jaws of males function as a weapon in fights, to test the hypothesis that weapon performance (i.e., bite force) is a better predictor of fitness than body size and weapon size. Children With Intracranial Ependymoma Can Avoid Damage-causing Radioth
Use of chemotherapy to treat children with intracranial ependymoma avoids or delays the need for use of radiotherapy which can potentially cause serious damage to the child's nervous system, without compromising chances of survival. Intracranial ependymomas are tumours which mostly develop around the lining of the cerebral ventricles. Study Shows Importance Of Exposure Age For Hanford Nuclear Workers' Ca
The ages at which workers are exposed to low doses of ionizing radiation apparently make a difference in whether they will develop cancer, according to a new University of North Carolina at Chapel Hill study. Worry-free Spinach
This September 2006 article provides brief suggestions, including buying spinach from a small local farm and using frozen spinach, for those who "want to eat spinach but are worried about recent reports of E. coli contamination."Accompanied by several recipes using frozen spinach, such as spinach and crab enchiladas and tamale tarts. From the website for Sunset magazine. New Findings May Help Preserve Rare Gutenberg Bibles
Using modern analytical techniques, researchers in England say they have for the first time precisely identified the pigments used to illustrate seven Gutenberg Bibles located in Europe. The findings provide chemical data that could ultimately help preserve and restore these rare historic treasures as well as provide insights into the printing practices of early Europe, they say. Scientists ID Molecular 'Switch' In Liver That Triggers Harmful Effect
Dana-Farber Cancer Institute researchers have identified a molecular mechanism in the liver that explains, for the first time, how consuming foods rich in saturated fats and trans-fatty acids causes elevated blood levels of cholesterol and triglycerides and increases one's risk of heart disease and certain cancers. Epilepsy Genes May Cancel Each Other
Inheriting two genetic mutations that can individually cause epilepsy might actually be 'seizure-protective,'said researchers. "In the genetics of the brain, two wrongs can make a right,"said one of the scientists "We believe these findings have great significance to clinicians as we move toward relying upon genes to predict neurological disease." Tiny New Control Device Improves Lateral Stability Of Airplane
The tabs, invented by an engineering professor and flying enthusiast at Lehigh University, measure a few inches in length and weight. They rotate around an aluminum tube that is inserted into a plane's ailerons. They also have the potential to decrease Dutch Roll tendencies and stick forces during cross wind takeoffs and landings. Dusty Old Star Offers Window To Our Future, Astronomers Report
Astronomers have glimpsed dusty debris around an essentially dead star where gravity and radiation should have long ago removed any sign of dust -- a discovery that may provide insights into our own solar system's eventual demise several billion years from now. The results are based on mid-infrared observations made with the Gemini 8-meter Frederick C. Gillett Telescope (Gemini North) on Hawaii's Mauna Kea. The Gemini observations reveal a surprisingly high abundance of dust orbiting an ancient stellar ember named GD 362. Innovative Surgery Corrects Vision In Kids With Neurological Disorders
Children with cerebral palsy and other neurological problems often have extremely poor eyesight. Their ability to read, pick up objects and "see"the world is so impaired and complicated to treat that many go untreated, even though they may be legally blind. Now, a pediatric ophthalmologist at Washington University School of Medicine in St. Louis is conducting specialized testing and vision correction (refractive) surgery, on children with cerebral palsy, Down syndrome and neurobehavioral disorders such as autism.
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