In the News
[Scary] Pregnant woman says 'maternal instinct' helped her kill attack
FORT MITCHELL, Ky. - A pregnant woman who killed her attacker said a maternal instinct helped her fight off the woman who investigators believe was after her unborn child."I do believe that I fought harder because it was for my child,"Sarah Brady told ABC's "Good Morning America"in interviews aired Sunday and Monday. "It is a maternal instinct to protect your child to the very end."Katherine Smith, 22, died Thursday after luring Brady to her apartment to pick up a package supposedly delivered to the wrong address. When Smith pulled out a knife and attacked the pregnant woman, Brady fought back, striking Smith on the head with an ash tray and stabbing her three times with her own knife, police said. Brady, 26, said she didn't know Smith before the two met at Smith's apartment and can't be certain why Smith wanted to kill her."I really am not sure what was going through her mind,"Brady told ABC. "The only thing I thought was that she was going to kill me and my child and that is the only thing that ran through my mind." Engineer Investigates Enzyme Link To Neurological Disease
Several neurologically based afflictions, such as Huntington's, Parkinson's, and Alzheimer diseases, have been correlated to a higher than normal presence of a specific type of enzymes, called transglutaminases (TGase) in the human body. TGases, whose function is to catalyze covalent bonds among proteins, are commonly found in several different human tissues. Smallpox Evolved Earlier Than Believed, According To Molecular Clock A
Smallpox is older than previously thought. Researchers created a molecular clock by looking at the rate of random mutations in the smallpox-causing virus collected in 47 locations around the world, from 1946 -- 1977. The variation between the strains was compared to sequences from the most similar animal poxes. The results indicated that a mild and more severe strain diverged either 16,000 or 68,000 years before present, depending on whether accounts from East Asia or Africa are used to calibrate the molecular clock. In either case, this divergence stretches further back in time than previously believed. Structure of insulin's docking point identified
Scientists have determined the structure of a previously unseen part of the insulin receptor, making possible new treatments for diabetes. Tears Reveal Some Of Their Deepest Secrets To Researchers
It's no secret why we shed tears. But exactly what our tears are made of has remained a mystery to scientists. A new study sheds some light on the complex design of tears. What we think of as tears, scientists call tear film, which is made up of three distinct, microscopic layers. Heat Stress From Enclosed Vehicles: Moderate Ambient Temperatures Caus
July 2005 article about the results of a study that found the temperature inside a parked car can quickly spike to life-threatening levels if the sun is out, even on a relatively cool day. The study found that "leaving the windows opened slightly does not significantly slow the heating process."The study was conducted to increased public awareness about the safety risks of leaving children (and pets) unattended in vehicles. From Pediatrics magazine. Small Worm Yields Big Clue On Muscle Receptor Action
Biological researchers report the identity of a previously elusive subunit of a neurotransmitter in C. elegans. The finding may have applicability to research on the human nervous system. Taking It All In: Documenting Chemical Pollution in Californians Throu
Results of a study to measure chemical pollutants in 11 Californians through biomonitoring analysis of blood, hair, and urine samples; the purpose was to detect chemicals "commonly found in plastic water bottles, non-stick cookware and other consumer products."Participants in the study included actor Peter Coyote and U.S. Rep. Nancy Pelosi. From Commonweal, a nonprofit health and environmental research institute in Bolinas, California. Opens directly into a PDF file. Climate Warning as Siberia Melts
August 2005 article about the melting of the "world's largest frozen peat bog"in Siberia, and how the "sudden melting of a bog the size of France and Germany combined could unleash billions of tonnes of methane, a potent greenhouse gas, into the atmosphere."From the online version of New Scientist magazine. Cassini Finds Recent And Unusual Geology On Enceladus
NASA's Cassini spacecraft has obtained new, detailed images of the south polar region of Saturn's moon Enceladus. The data reveal distinctive geological features and the most youthful terrain seen on the moon. These findings point to a very complex evolutionary history for Saturn's brightest, whitest satellite.
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