Science News & Science Current Events
 
Family stress and child's temper extremes contribute to anxiety and depression in children and young people
Small children who grow up in a family where the mother has psychological distress, the family is exposed to stress or is lacking social support, are at higher risk of developing anxious and depressive symptoms in early adolescence.


Record boost for ATV to raise ISS orbit
For the second time since April, ESA's Jules Verne ATV was used to raise the orbit of the International Space Station yesterday.




Scientists from the University of Navarra find 5 genes involved in the metastasis of breast tumours to the lung
The identification of five genes involve in the metastasis of breast tumours to the lung is the principal finding of a scientific team made up of two bodies from the University of Navarra, the Applied Medical Research Centre (CIMA) and the University Hospital of the University of Navarra.


Sexually transmitted disease, urinary tract infections may be bad combination for birth defect Chances of gastroschisis increase fourf
Women who reported having both a sexually transmitted disease (STD) and urinary tract infection (UTI) just before or during early pregnancy were four times more likely to have babies with gastroschisis-a severe birth defect in which infants are born with their intestines and other internal organs outside the abdomen, University of Utah researchers report in the online British Medical Journal.


New discovery proves 'selfish gene' exists
A new discovery by a scientist from The University of Western Ontario provides conclusive evidence which supports decades-old evolutionary doctrines long accepted as fact.


UC researchers find new ways to regulate genes, reduce heart damage
Researchers at the University of Cincinnati (UC) are looking for ways to reduce or prevent heart damage by starting where the problem often begins: in the genes.


Risk of death after cancer diagnosis; shift in stage of breast cancer diagnosis
Cancer patients with low socioeconomic status (SES) have more advanced cancers at diagnosis, receive less aggressive treatment, and have a higher risk of dying in the five years following cancer diagnosis, according to a new study.


Ocean satellite launch critical to Australian science
A new earth observing satellite being launched in California today will help guide future Australian ocean and climate science.


Symptom screening plus a simple blood test improves early detection of ovarian cancer
Women's reports of persistent, recent-onset symptoms linked to ovarian cancer - abdominal or pelvic pain, difficulty eating or feeling full quickly and abdominal bloating - when combined with the CA125 blood test may improve the early detection of ovarian cancer by 20 percent.


Stroke study reveals key target for improving treatment and suggests that Gleevec may help
For over a decade, the drug called tPA has proven its worth as the most effective emergency treatment for the most common kind of stroke. But its promise is blemished by two facts: tPA can cause dangerous bleeding in the brain, and its brain-saving power fades fast after the third hour of a stroke.


Laser fluorescence could find life on Mars
A team of scientists from the United States and the United Kingdom has developed a technique using ultraviolet light to identify organic matter in soils that they say could be used to document the existence of life on Mars.


New source of heart stem cells discovered
Researchers at Children's Hospital Boston are continuing to document the heart's earliest origins. Now, they have pinpointed a new, previously unrecognized group of stem cells that give rise to cardiomyocytes, or heart muscle cells.


Common cooking spice shows promise in combating diabetes and obesity
Turmeric, an Asian spice found in many curries, has a long history of use in reducing inflammation, healing wounds and relieving pain, but can it prevent diabetes?


Mental and physical exercise improves genetic mental impairment
Australian scientists have shown that mental and physical exercise can improve coordination and movement problems in Rett syndrome, a devastating genetic brain development disorder that primarily affects females.


Battle of the bulge: Low leptin levels undermine successful weight loss
Individuals who are obese are at increased risk of many diseases, including type 2 diabetes and heart disease. As 75%-95% of previously obese individuals regain their lost weight, many researchers are interested in developing treatments to help individuals maintain their weight loss.


Drug reverses mental retardation caused by genetic disorder
UCLA researchers discovered that an FDA-approved drug reverses the brain dysfunction inflicted by a genetic disease called tuberous sclerosis complex (TSC).


National Zoo giant panda pregnancy update
Scientists at the Smithsonian's National Zoo detected a secondary rise in urinary progestin levels in the Zoo's female giant panda Mei Xiang (may-SHONG) earlier this month.


Warning for Teens: Teeth and Jewelry Don't Mix
TAU study finds that oral tissue piercings fracture teeth and increase dental complications in early adulthood


DNA study unlocks mystery to diverse traits in dogs
What makes a pointer point, a sheep dog herd, and a retriever retrieve? Why do Yorkshire terriers live longer than Great Danes? And how can a tiny Chihuahua possibly be related to a Great Dane?


Could new discovery about a shape-shifting protein lead to a mighty 'morpheein' bacteria fighter?
A small molecule that locks an essential enzyme in an inactive form could one day form the basis of a new class of unbeatable, species-specific antibiotics, according to researchers at Fox Chase Cancer Center.


A novel X-ray source could be brightest in the world
The future of high-intensity x-ray science has never been brighter now that scientists at U.S. Department of Energy's Argonne National Laboratory have devised a new type of next generation light sources.


New paradigm for cell-specific gene delivery
Researchers from Northwestern University and Texas A & M University have discovered a new way to limit gene transfer and expression to specific tissues in animals.


Opioids and cannabinoids influence mobility of spermatozoids
A PhD thesis from the University of the Basque Country has concluded that there are opioid and cannabinoid receptors in human sperm and that these influence the mobility of spermatozoid.


Smoking out the mediators of airway damage caused by pollutants
New insight into how pollution and cigarette smoke damage airways has been provided by Pierangelo Geppetti and colleagues, at the University of Florence, Italy, who studied the effects of such chemicals on guinea pig airways.


Leukemia drug could save lives of stroke patients
The drug tPA is the most effective treatment currently available for stroke patients, but its safety is limited to use within the first three hours following the onset of symptoms.


Researchers seek children for a study of antibiotics for a urinary tract disorder
Researchers conducting a study to learn if children with a urinary tract disorder known as vesicoureteral reflux (VUR) should be treated with an antibiotic for an extended period of time are seeking to enroll more participants.


Mayo researchers discover how measles virus spreads (in its host)
Measles, one of the most common contagious diseases, has been thought to enter the body through the surface of airways and lungs, like many other major viruses.


Elderly's restless nights helped by ancient martial art
More than half of all older adults complain about having difficulties sleeping. Most don't bother seeking treatment. Those who do usually turn either to medications, which can lead to other health problems, or behavior therapies, which are costly and often not available close to home.


Study shows that chronic grief activates pleasure areas of the brain
Grief is universal, and most of us will probably experience the pain grief brings at some point in our lives, usually with the death of a loved one. In time, we move on, accepting the loss.


Reliance on unverifiable observations hinders successful conservation of wildlife species
Nearly any evidence of the occurrence of a rare or elusive wildlife species has the tendency to generate a stir. Case in point: in February 2008, remote cameras unexpectedly captured the images of a wolverine in the central Sierra Nevada, an area from which the species was believed to be extinct since 1922.


When it comes to female red squirrels, it seems any male will do
Researchers have found that female red squirrels showed high levels of multimale mating and would even mate with males that had similar genetic relatedness, basically mating with their relatives.


Understanding the migration of cancer cells
Lamellipodia are veil-shaped protrusions of the plasma membrane, that can turn into upward-curled ruffles if they fail to adhere to the substrate.


Engineers create 3-D model to help biologists combat blue tongue virus
A large 3D model of the Blue Tongue virus has been created by WMG engineering researchers at the University of Warwick that will help biologists devise new ways to combat the virus and protect millions of livestock from infection.


University of Minnesota study uncovers the educational benefits of social networking sites
In a first-of-its-kind study, researchers at the University of Minnesota have discovered the educational benefits of social networking sites such as MySpace and Facebook.


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