ScienceDaily Top Science Headlines

for the Week of January 30 to February 6, 2011

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Posted 2011-02-05:

• Discovery of jumping gene cluster tangles tree of life
• How the body’s frontline defense mechanism determines if a substance is a microbe
• Death in the bat caves: Disease wiping out hibernating bats
• A loose grip provides better chemotherapy
• Nanoscale micorscopy and AFM positioning: Shining light on a needle in a haystack
• Benefits of outdoor exercise confirmed
• Blenny bonanza: Seven new species of fish revealed by genetic analysis
• HPV vaccine works for boys: Study shows first clear benefits
• New twist on the electron beam
• Blood-clotting protein linked to cancer and septicemia
• Gas stations pollute their immediate surroundings, Spanish study finds
• Children's BMI found to rise the longer their mothers work

Posted 2011-02-05:

• New images show cloud exploding from Sun ripples like clouds on Earth
• New induced stem cells may unmask cancer at earliest stage
• Mechanism involved in breast cancer's spread to bone discovered
• Cross-species strategy might be a powerful tool for studying human disease
• New wave: Efficient source of terahertz radiation developed
• Working more than 20 hours a week in high school found harmful
• Part of New Zealand's submerged 'Pink Terraces' found
• Boosting body's immune response may hold key to HIV cure
• Quantum quirk: Scientists pack atoms together to prevent collisions in atomic clock
• For stem cells, a way to assure quality
• Oil in Gulf of Mexico: Biologists cite need for critical data to determine ecological consequences
• Early childhood education program yields high economic returns
• Scientists use quantum mechanics to show that glass will melt near absolute zero
• Want more efficient muscles? Eat your spinach
• Oysters at risk: Gastronomes' delight disappearing globally
• Scientists unlock one mystery of tissue regeneration
• Helping feed the world without polluting its waters
• Quality and quantity of maternal milk impacts stress response of adult offspring
• Ants have big impact on environment as 'ecosystem engineers'
• Obesity has doubled since 1980, major global analysis of risk factors reveals
• Deadly tool discovered in Salmonella's bag of tricks
• Powerful new methodology for stabilizing proteins developed
• New model for how Nevada gold deposits formed may help in gold exploration
• Children more likely to transmit flu to those of same sex, UK study finds
• Northern Mars landscape actively changing
• Destined for disease: Breast cancer mutation regulates cell fate
• Microbiologists aim to optimize bio-ethanol production
• The 'death switch' in sepsis also promotes survival
• Underwater ridges impact ocean's flow of warm water; Findings to improve climate models
• Childhood obesity linked to health habits, not heredity, study finds
• Rare insect fossil reveals 100 million years of evolutionary stasis
• A stem cell origin of skin cancer and the genetic roots of malignancy unmasked
• Same rules apply to some experimental systems regardless of scale
• New undertsanding of gut hormones and gut function sheds light on obesity
• Ionization by strong laser fields: Understanding the 'Ionization Surprise'
• Effective search terms yield the right information
• Proposed mission to Jupiter system achieves milestone

Posted 2011-02-04:

• Missing link between young, old galaxies? Gas jet galaxy could explain how starforming galaxies become red and dead
• Duchenne muscular dystrophy: Scientists closer to finding treatment for life-threatening hereditary disease
• Communication pathways within proteins may yield new drug targets to stop superbugs
• Deaths reduced with cardiac resynchronization therapy
• Energy-efficient intelligent house can monitor health, prototype shows
• Why do our emotions get in the way of rational decisions about safety products?
• Surprise hidden in Titan's smog: Cirrus-like clouds
• Assisted reproductive technologies: Uterine health more important than egg quality, study shows
• Wolverine population threatened by climate change
• Sideline test accurately detects athletes' concussions in minutes, study shows
• Scientists climb Mt. Everest to explain how hearts adapt and recover from low oxygen
• Poor work ability may predict faster deterioration of health
• 'Tall order' sunlight-to-hydrogen system works, neutron analysis confirms
• New clue to lupus: Failed autoimmune suppression mechanism
• Future surgeons may use robotic nurse, 'gesture recognition'
• Simple interventions reduce newborn deaths in Africa
• Two severe Amazon droughts in five years alarms scientists
• Coffee, energy drinkers beware: Many mega-sized drinks loaded with sugar, nutrition expert says
• Water flea: First crustacean genome is sequenced
• Learning causes structural changes in affected neurons
• Lampreys give clues to evolution of immune system
• Early infusion of donor T cells prevents graft versus host disease in blood cancer patients, study suggests
• New drought record from long-lived Mexican trees may illuminate fates of past civilizations
• Drug-abusers have difficulty to recognize negative emotions as wrath, fear and sadness, study finds
• Small snack for Milky Way: Astrophysicists find new remnants of neighboring galaxy in our own
• Molecular predictor of metastatic prostate cancer found
• Cell reprogramming leaves a 'footprint' behind
• Why folic acid may prevent a first heart attack, but not a second
• 'Red mud' disaster's main threat to crops is not toxic metals, but instead high alkalinity
• Children's genes influence how well they take advantage of education, twin study shows
• Electric thinking cap? Flash of fresh insight by electrical brain stimulation
• Potential vaccine to prevent gastritis, ulcer disease, gastric cancer
• Roasting coffee beans a dark brown produces valued antioxidants, scientists find
• First new C. difficile drug in a generation superior to existing treatments
• Internet out of space? Development of the next generation of Internet addresses needs to speed up, academic warns
• Taking unpleasant surprises out of cosmetic surgery
• Giant virus, tiny protein crystals show X-ray laser's power and potential
• Migraine surgery offers good long-term outcomes, study finds
• Picture-perfect pure-disc galaxy
• Many rheumatoid arthritis patients not getting recommended drugs, researchers find
• Ice dome made using novel construction method
• Older adults often excluded from clinical trials
• Exploring an 'island of inversion,' physicists find new clues to element synthesis in supernovae
• Metabolic syndrome linked to memory loss in older people
• Genetic cause of new vascular disease identified
• How cancer gene MMSET functions
• Sea urchin embryos could be used to evaluate quality of marine environment, researcher proposes
• Having a strong community protects adolescents from risky health behaviors
• States should extend benefits for youth in foster care, expert says
• Sentinel of change: Waterflea genome to improve environmental monitoring capabilities
• Animal with the most genes? A tiny crustacean
• Current use of biodiesel no more harmful than regular diesel, Norwegian study finds
• Europe's Automated Transfer Vehicle space ferry ready for launch
• Primitive vertebrates with an adaptive immune system

Posted 2011-02-03:

• Human genome's breaking points: Genetic sequence of large-scale differences between human genomes
• MicroRNA cocktail helps turn skin cells into stem cells
• Ice cores yield rich history of climate change
• One donor cornea, two patients helped: New surgical approach may help meet demand for donor corneas
• NASA Aqua Satellite sees powerful Cyclone Yasi make landfall in Queensland, Australia
• When a blockbuster becomes lackluster: Not all movie-watching experiences are created equal
• Road may disrupt migration, ruin Serengeti, study finds
• Lower back disease may be in your genes: New study indicates predisposition to lumbar disc disease could be inherited
• Tuning graphene film so it sheds water
• In tiny fruit flies, researchers identify metabolic 'switch' that links normal growth to cancer
• Cassini sends back postcards of Saturn's moons
• Crowd workers are not online Shakespeares, but research shows they can write
• Anthropologists discover earliest cemetery in Middle East
• Transplanted human placenta-derived stem cells show therapeutic potential in stroke models
• New nanoparticles make blood clots visible
• New tumor-tracking technique for radiotherapy spares healthy tissue, could improve cancer treatment
• Possible path to creating next-generation computer chips
• NASA finds Earth-size planet candidates in habitable zone, six planet system
• Ritalin may ease early iron deficiency damage
• Engineered cells could usher in programmable cell therapies
• Safer way to make induced pluripotent stem cells developed
• Rain in Spain is on the decline, research finds
• Good cop beats bad cop, research shows; Study explores why dialogue yields better results than coercion
• 'Air laser' may sniff bombs, pollutants from a distance
• Targeted particle fools brain's guardian to reach tumors
• NASA's NEOWISE completes scan for asteroids and comets a family portrait
• Key to understanding cause of lupus
• Internet addresses: An inevitable shortage, but an uneven one
• Video games are good for girls, if parents play along
• Forensic breakthrough: Recovering fingerprints on fabrics could turn clothes into silent witnesses
• Level of tumor protein indicates chances cancer will spread
• NASA satellite captures U.S. 'Big Chill'
• Race gap narrows for some cancers in African-Americans; continues to increase for others
• First mission to Mercury
• Preschool beneficial, but should offer more, study finds
• Arctic mercury mystery: Meterological conditions in the spring and summer to blame?
• Natural molecule indirectly prevents stable clot formation
• Monster cyclone Yasi eyes Australia in NASA image
• High levels of circulating DNA may signal faster progression of lung cancer
• Scientists customize a magnet's performance by strategically replacing key atoms
• Too many pitches strike out youth athletes early, new 10 year study suggests
• Do chimpanzees mourn their dead infants?
• Yeast used to detect proteins involved in neurodegenerative diseases
• Computer-assisted diagnosis tools to aid pathologists
• African-Americans have better stroke survival rates
• Exotic phases on an atom chip
• Teens with HIV at high risk for pregnancy, complications, research finds
• Accountable care at Academic Medical Centers: Lessons learned
• Earth's life support systems discussed in an open-access special issue
• NASA's Kepler spacecraft discovers extraordinary new planetary system
• Kepler finds evidence of habitable Earth-size planets in Milky Way
• Multiple genome sequencing yields detailed map of structural variants behind our genetic differences
• Researchers develop new framework for analyzing genetic variants
• New U.S. state scorecard on children's health care finds wide geographic disparities
• NASA's Stardust adjusts flight path for comet meetup

Posted 2011-02-02:

• Sleep selectively stores useful memories: Brain evaluates information based on future expectations, study suggests
• New study alters long-held beliefs about shingles
• NASA satellite tracks menacing Australian cyclone
• Intermittent preventive treatment of malaria in children and insecticide-treated bednets reduce prevalence of infection by up to 85 percent
• Technology protects cotton from caterpillar's appetite
• Opiate abuse: Protracted abstinence revisited
• Bacteria in the gut may influence brain development
• Early tests find nanoshell therapy effective against brain cancer
• Giant radio telescope goes multi-national: First images from LOFAR
• Microbubble ultrasound and breast biopsies
• Biologists discover 'control center' for sperm production; Study uncovers genetic hierarchy in plant sperm formation
• Bilinguals find it easier to learn a third language
• NASA satellites capture data on monster winter storm affecting 30 U.S. states
• Inhalable measles vaccine tested
• Seeking social genes: Researchers compare insect genomes to hone in on genes associated with complex social structure
• PET scans may allow early prediction of response to targeted therapy of thyroid cancer
• Where has all the Gulf spill oil gone?
• Gestures provide a helping hand in problem solving
• Cluster encounters 'natural particle accelerator' above Earth's atmosphere: How northern and southern lights are generated
• Researchers unlock the potential for exploring kidney regeneration
• Scientists model tiny rotors, key to future nanomachines
• Brain can learn to overcome sleep apnea, study suggests
• Clean streets and intact road surfaces help to keep the air clean
• Physical activity linked to political participation
• Newly discovered dinosaur likely father of Triceratops
• New probiotic combats inflammatory bowel disease
• Dogs can accurately sniff out early stage bowel cancer
• High-spending hospitals may save more lives
• Metamaterials approach makes better satellite antennas
• Understanding the autistic mind: Evidence that autistic patients have trouble understanding other people's intentions
• Argentine ant genome sheds light on a successful pest
• Smart lasers could make cancer biopsies painless, help speed new drugs to market
• Bugs might convert biodiesel waste into new fuel
• Altered cell metabolism has role in brain tumor development
• New approach needed to prevent major 'systemic failures' such as power outages, subprime mortgage crisis and Gulf oil spill
• Explosive- and drug-sniffing dog performance is affected by their handlers' beliefs
• Tracking the origins of speedy space particles
• Specific populations of gut bacteria linked to fatty liver
• Hunt for dark matter closes in at Large Hadron Collider
• Signaling pathway crucial to acute lung injury discovered
• Nanotechnology: Detecting lethal diseases with rust and sand
• Moderate aerobic exercise in older adults shown to improve memory
• Single molecule controlled at room temperature: Tiny magnetic switch discovered
• When two rights make a wrong: Combating childhood heart disease
• Low-energy remediation with patented microbes: Naturally occurring microbes break down chlorinated solvents
• Free radicals in cornea may contribute to Fuchs dystrophy, most common cause of corneal transplants
• New hardware boosts communication speed on multi-core chips
• Safety checklist use yields 10 percent drop in hospital deaths
• Evidence mounting on the harms of alcohol industry sponsorship of sport, Australian study finds
• More doctors must join nurses, administrators in leading efforts to improve patient safety, outcomes, experts argue
• Nonprofit hospices disproportionately care for costly patients, researchers conclude
• Arranged marriages and distrust: Influence of parental choice on mate guarding
• Go green to give a boost to employee morale
• New quartet of ant genomes sequenced
• Lung societies unveil new international classification of lung adenocarcinoma

Posted 2011-02-01:

• New appreciation of the ecology-evolution dynamic
• Novel immune system-based gene therapy induces strong responses in metastatic melanoma, sarcoma
• Secrets in stone: Rare archaeological find in Norway
• Little decline in hepatitis C infections among injection drug users, study finds
• Plasma stability made to measure
• Megalomaniac CEOs: Good or bad for company performance?
• Deficiency of dietary omega-3 may explain depressive behaviors
• Scientists grow arteries with high level of elastic protein: Big step for living vascular grafts
• Physicists challenge classical world with quantum-mechanical implementation of 'shell game'
• Seeing kidney injury, as it happens: Animal-model study offers glimpse at real-time changes in kidney
• Plants can adapt genetically to survive harsh environments
• Children's genetic potentials are subdued by poverty: Effects show by age 2
• New African wolf discovered
• Hormone therapy begun at menopause may pose risk for breast cancer
• Plankton inspires creation of stealth armor for slow-release microscopic drug vehicles
• Young rats given polyphenols show less endothelial function deterioration with aging
• Surf's up: New research provides precise way to monitor ocean wave behavior, shore impacts
• Super Bowl losses can increase cardiac death, study finds
• Mussel power: Universal solvent no match for new self-healing sticky gel
• Stimulating the brain's immune response may provide treatment for Alzheimer's disease
• War, plague no match for deforestation in driving CO₂ buildup
• What are the right food supplements during pregnancy? Study shows risky knowledge gaps
• Shape-shifting sugars pinned down
• Casualties of war: Wounded veterans more likely to die of coronary heart disease
• New transistors: An alternative to silicon and better than graphene
• Antibiotic offers potential for anti-cancer activity
• Asteroid deflection: What if a huge asteroid was going to slam into Earth?
• Nerve cell molecule has antidepressant effect; animal study may lead to more effective treatments for depression
• Sprouts? Supplements? Team them up to boost broccoli's cancer-fighting power
• Smoking habits are transmitted from mother to daughter and father to son, study suggests
• Adult skin cells converted directly to beating heart cells
• Key mechanism governing nicotine addiction discovered
• Stem cell marker regulates synapse formation
• Pre-surgical stress management boosts immune function, lowers mood disturbance in prostate cancer patients
• 'Old' information theory makes it easier to predict flooding
• Genetic clues to compulsive, self-injurious behavior in rare childhood disorder
• Obese women less likely to complete mammograms and more likely to report pain with the procedure, study finds
• Newly decoded ant genomes provide clues on ant social life, pest control
• Recalled implantable cardioverter-defibrillator (ICD) leads fail in women, youths most often
• MRI: An accurate method to evaluate iron overload
• A diagnostic marker in hepatocellular carcinoma
• Hepatic vein thrombosis following liver resection
• Energy drink logo enough to shape consumer performance, study finds
• Food industry partnerships may carry risks, experts argue
• Navigating the spheres of assisted death
• Mixed-reality scavenger hunt with a smartphone: Just play the game or create one of your own

Posted 2011-01-31:

• Cheap, clean ways to produce hydrogen for use in fuel cells? A dash of disorder yields a very efficient photocatalyst
• Scientists unlock the 'gates' on sudden cardiac death
• GRIN plasmonics: A practical path to superfast computing, ultrapowerful optical microscopy and invisibility carpet-cloaking devices
• Powerful 3-D X-rays for kids in braces should be the exception, not the rule
• A clearer picture of how rivers and deltas develop

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