In the News
Scientists uncover role of protein critical for activating DNA replica
Scientists have discovered how a protein long known to be an essential activator of DNA replication actually triggers this process in cells. The protein, called DDK (for Ddf4-dependent protein kinase), is one of two cell-cycle-regulated protein kinases that facilitate coordination with other processes during cell division. DDK is now shown to block the inhibitory activity of a domain within the DNA unwinding enzyme Mcm4, thereby promoting DNA replication. Wearing Too Much Perfume May Indicate Depression
New research links depression to loss of the sense of smell, suggesting that the blues may have biological roots. "Our scientific findings suggest that women who are depressed are also losing their sense of smell, and may overcompensate by using more perfume,"according to one of the researchers. [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." Origin Of Darkest Galaxies In The Universe Elucidated
Stelios Kazantzidis, a researcher at Stanford University's Kavli Institute for Particle Astrophysics and Cosmology (KIPAC), and collaborators have developed an elegant explanation for how galaxies come to be dominated by dark matter. They report their findings in the Feb. 15 issue of Nature. Immigrant Children Misdiagnosed As Language-impaired
Immigrant children still mastering the English language risk being shuffled into special education services they don't need, because of errors in assessment for speech problems, according to a new University of Alberta study. Wired Test 2007: Best of Test, Cine Sinners Beware of the Easy, Effici
With Vudu, just grab the remote, select a movie, agree to the rental fee (from $1 to $4, billed to your credit card), and without further ado you're watching it in HD! Adaptive Technology Developed For Visually Impaired Engineers
By adding features to commonly used chemical-engineering software packages, researchers have developed adaptive technology that allows blind or visually impaired students and working professionals to perform the essential functions of chemical-engineering process design. New Math Models To Pick Up Where Computers Fail
For all the advances in computer power of recent years, many real-world processes are still so complex that they defy the capability of even the most advanced supercomputers to describe them - and to address such problems, mathematicians are being called for help. As part of that effort, Oregon State University recently received a $647,000 grant from the U.S. Department of Energy. It's one project in a national, $20-million initiative to have advanced mathematics pick up where sheer computing power is inadequate. First-ever Study Looks At Impact Of Family Income On Prevalence Of Mig
Adolescents from low-income families are much more likely to suffer from migraine headaches than teens from wealthier households, according to researchers at the Albert Einstein College of Medicine of Yeshiva University. The findings, published in the July 3 issue of Neurology, suggest that factors associated with low socioeconomic status -- stress, poor diet and limited access to medical care, for example -- increase the prevalence of migraines in young people. U.S. Environmental Protection Agency (EPA): National Priorities List (
Website for the EPA's "list of national priorities among the known releases or threatened releases of hazardous substances, pollutants, or contaminants throughout the United States and its territories."On this site "you can locate NPL sites, check their cleanup progress, and get information on new and proposed NPL sites."Details about sites can be viewed through a U.S. map or a database of Superfund sites searchable by numerous factors (such as contaminants).
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