ScienceDaily: Latest Science News

Digital Zebrafish Embryo Provides First Complete Developmental Blueprint Of A Vertebrate Posted: 11 Oct 2008 07:00 PM CDT Researchers in Europe have generated a digital zebrafish embryo -- the first complete developmental blueprint of a vertebrate. With a new microscope scientists could for the first time track all cells for the first 24 hours in the life of a zebrafish. The data was reconstructed into a three-dimensional, digital representation of the embryo.

Statins May Prevent Miscarriages, Study Suggests Posted: 11 Oct 2008 07:00 PM CDT Hospital for Special Surgery researchers have found that statins may be able to prevent miscarriages in women who are suffering from pregnancy complications caused by antiphospholipid syndrome, according to a study in mice.

Extending The Life Of Fresh Cranberries Posted: 11 Oct 2008 07:00 PM CDT Cranberries are tart, tiny fruits packed with powerful antioxidants. The good news about cranberries is spreading, resulting in growing consumer demand for fresh cranberries and cranberry products. This demand has led to increased interest in finding ways to extend the shelf life of the popular fruit.

Key Proteins In Blood Stem Cell Replication Pinpointed Posted: 11 Oct 2008 07:00 PM CDT A discovery from Stanford researchers is the first to directly link the notorious members of the retinoblastoma family of proteins to the cellular production factories responsible for churning out all the blood and immune cells in the body.

Waterborne Disease Risk Upped In Great Lakes Posted: 11 Oct 2008 07:00 PM CDT An anticipated increased incidence of climate-related extreme rainfall events in the Great Lakes region may raise the public health risk for the 40 million people who depend on the lakes for their drinking water, according to a new study.

Tobacco Smuggling Is Killing More People Than Illegal Drugs, Experts Claim Posted: 11 Oct 2008 07:00 PM CDT Tobacco smuggling causes around 4,000 premature deaths a year -- four times the number of deaths caused by the use of all smuggled illegal drugs put together -- but the UK government is not doing enough to tackle the problem, claim experts on the British Medical Journal website.

Unlocking Stem Cell, DNA Secrets To Speed Therapies Posted: 11 Oct 2008 01:00 PM CDT Researchers have discovered that as embryonic stem cells turn into different cell types, there are dramatic corresponding changes to the order in which DNA is replicated and reorganized.

New Findings May Improve Treatment Of Inherited Breast Cancer Posted: 11 Oct 2008 01:00 PM CDT Scientists have identified some of the elusive downstream molecules that play a critical role in the development and progression of familial breast cancer. The research also identifies a compound found in grapes and red wine as an excellent candidate for treatment of some forms of breast cancer.

Understanding The Cycle Of Violence Posted: 11 Oct 2008 01:00 PM CDT Researchers have long known that children who grow up in an aggressive or violent household are more likely to become violent or aggressive in future relationships but the developmental link has been unclear. Researchers now say children who grow up in aggressive households may learn to process social information differently than their peers. "Children with high-conflict parents are more likely to think that aggressive responses would be good ways to handle social conflicts."

Breast Stem Cell Fate Is Regulated By 'Notch' Posted: 11 Oct 2008 01:00 PM CDT A normal developmental protein that sometimes goes awry has been implicated in breast cancer. This discovery indicates the mechanism by which inappropriate expression of the notch pathway may contribute to breast cancer.

Reality To Go: 3-D Virtual Reality On Mobile Devices Posted: 11 Oct 2008 01:00 PM CDT If mere texting, talking, e-mailing and snapping pictures on mobile devices aren't enough to satisfy your data cravings, now there's the prospect of accessing and displaying 3-D virtual reality simulations and animations on them. New information architecture from researchers in Offenburg, Germany puts 3-D visualizations in the palm of your hand to make this possible.

Can Taking Ecstasy Once Damage Your Memory? Posted: 11 Oct 2008 01:00 PM CDT Academics in the UK are issuing new warnings about the dangers of ecstasy and its effects on the brain.

'Virgin Birth' By Shark Confirmed: Second Case Ever Posted: 11 Oct 2008 07:00 AM CDT Scientists have confirmed the second-ever case of a "virgin birth" in a shark, indicating once again that female sharks can reproduce without mating and raising the possibility that many female sharks have this incredible capacity.

Crucial Control In Long-lasting Immunity Discovered Posted: 11 Oct 2008 07:00 AM CDT Scientists have identified a protein that links two key types of white blood cells, T and B cells, letting them interact in a way that is crucial to establishing long-lasting immunity after an infection. Their finding may also explain why some individuals who have a genetic defect that prevents them from making this protein suffer from lethal infections with a common virus that otherwise is rarely fatal, while others have problems with B-cell lymphomas.

Phoenix Lander Digs And Analyzes Soil As Darkness Gathers Posted: 11 Oct 2008 07:00 AM CDT As fall approaches Mars' northern plains, NASA's Phoenix Lander is busy digging into the Red Planet's soil and scooping it into its onboard science laboratories for analysis.

Implantable Device May Help Manage Congestive Heart Failure Symptoms Posted: 11 Oct 2008 07:00 AM CDT A new study aims to improve the heart's pumping action and help to manage congestive heart failure symptoms. The US PARACHUTE trial tests the effectiveness of placing a small device in the left ventricle, or main pumping chamber of the heart. Physicians recently implanted the sixth person in the United States with the device.

Potential New Tool For Brain Surgeons Posted: 11 Oct 2008 07:00 AM CDT One of the primary ways of treating brain cancer is surgically removing the tumors. The risk of this sort of procedure is obvious -- it involves cutting away tissue from the brain, potentially severing nerve fibers and causing neurological damage.

Sixties Generation Is Heading For Conventional Old Age Posted: 11 Oct 2008 07:00 AM CDT Britain's post-war baby boomers, associated throughout their lives with social change, are failing to break new ground in their approach to growing old.

Astronomers Get Best View Yet Of Infant Stars At Feeding Time Posted: 10 Oct 2008 07:00 PM CDT Astronomers have used ESO's Very Large Telescope Interferometer to conduct the first high resolution survey that combines spectroscopy and interferometry on intermediate-mass infant stars. They obtained a very precise view of the processes acting in the discs that feed stars as they form. These mechanisms include material infalling onto the star as well as gas being ejected, probably as a wind from the disc.

Rapid Improvement In Overactive Bladder Symptoms, International Drug Study Shows Posted: 10 Oct 2008 07:00 PM CDT Patients with overactive bladders who took part in a multi-centre study to measure the effectiveness of solifenacin noticed improvements in as little as three days, according to new research.

Mimicking Gecko Feet: Dry Adhesive Based On Carbon Nanotubes Gets Stronger Posted: 10 Oct 2008 07:00 PM CDT The race for the best "gecko foot" dry adhesive just got a new competitor this week with a stronger and more practical material reported by US researchers.

Early Breast Cancer: LHRH Agonists Show Considerable Promise Posted: 10 Oct 2008 07:00 PM CDT Women who have had early stage breast cancer surgically removed, and whose tumor cells are stimulated by the hormone estrogen, can benefit from taking luteinizing hormone releasing hormone antagonists, a Cochrane systematic review has concluded. This medication may be taken alone or alongside the use of tamoxifen.

Biological Alternatives To Chemical Pesticides Posted: 10 Oct 2008 07:00 PM CDT With increasing consumer pressure on both farmers and supermarkets to minimize the use of chemical pesticides in fruit and vegetables, a new study looks at why there is currently little use of biological alternatives in the UK.

Scientists Adapt Economics Theory To Trace Brain's Information Flow Posted: 10 Oct 2008 07:00 PM CDT Scientists have used a technique originally developed for economic study to become the first to overcome a significant challenge in brain research: determining the flow of information from one part of the brain to another.

Can Genetic Information Be Controlled By Light? Posted: 10 Oct 2008 04:00 PM CDT Can genetic information be controlled by light? Researchers report sequence-dependent effects of light on DNA. DNA, the molecule that acts as the carrier of genetic information in all forms of life, is highly resistant against alteration by ultraviolet light, but understanding the mechanism for its photostability presents some puzzling problems.

Genetic Finding Implicates Innate Immune System In Major Cause Of Blindness Posted: 10 Oct 2008 04:00 PM CDT Scientists have identified one of the genes implicated in age-related macular degeneration, the most common cause of blindness in developed countries.

Daily Dose Of Ginkgo May Prevent Brain Cell Damage After Stroke, Mouse Studies Suggest Posted: 10 Oct 2008 04:00 PM CDT Working with genetically engineered mice, researchers at Johns Hopkins have shown that daily doses of a standardized extract from the leaves of the ginkgo tree can prevent or reduce brain damage after an induced stroke.

One Dose Of Hormone May Halt Cell Suicide Following A Heart Attack, Study Suggests Posted: 10 Oct 2008 04:00 PM CDT Two things happen following a heart attack--necrosis (normal cell death) and apoptosis (programmed cell death) -- and both are bad. Now researchers in Japan have found that a single intravenous dose of the hormone erythropoietin immediately after myocardial infarction (heart attack) can drastically reduce or eliminate apoptosis and thereby limit the amount of damage to the heart, according to an article in the Journal of Nuclear Medicine.

Scientists Engineer Superconducting Thin Films Posted: 10 Oct 2008 04:00 PM CDT Scientists have successfully produced two-layer thin films where neither layer is superconducting on its own, but which exhibit a nanometer-thick region of superconductivity at their interface. The work is one step on the path toward making useful superconducting devices.

Flawed Corporate Watchdog Methods Helped Fuel Economic Crisis, Expert Says Posted: 10 Oct 2008 04:00 PM CDT Archaic corporate governing systems that failed to ferret out risky business deals helped stoke the nation's deepest financial meltdown since the Great Depression, a University of Illinois business law expert says.

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