ScienceDaily Top Science Headlines

for the Week of February 13 to February 20, 2011

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Posted 2011-02-19:

• Oldest fossils of large seaweeds, possible animals tell story about oxygen in an ancient ocean
• Asthma tied to bacterial communities in the airway
• Mind over matter: EECoG may finally allow enduring control of a prosthetic or a paralyzed arm by thought alone
• Efficacy of tuberculosis vaccine enhanced thanks to new research
• Biologists use GPS to 'map' bat teeth to explore evolutionary adaptations to diet
• Women are better at forgiving, Spanish study finds
• Conventional wisdom of how neurons operate challenged: Axons can work in reverse
• Research predicts future evolution of flu viruses
• Augmented reality system for learning chess
• Scheduled deliveries raise risks for mothers, do not benefit newborns, study finds
• Fishing down food web leaves fewer big fish, more small fish in past century
• How couples recover after an argument stems from their infant relationships

Posted 2011-02-19:

• Fountain of youth from the tap? Environmental lithium uptake promotes longevity, scientists demonstrate
• Study links hypoxia and inflammation in many diseases
• Scientists bioengineer a protein to fight leukemia
• Value of therapeutic hypothermia after cardiac arrest confirmed by new research
• Experts question aspects of prescribed burning
• High-caffeine-consuming boys get greater rush from caffeine than girls
• Solar flare: Space weather disrupts communications, threatens other technologies
• Brain function linked to birth size; Study sheds light on mental health problems later in life
• Identification of glaucoma gene brightens view for future therapies
• Reverse genetics allow scientists to slow spread of Rubella virus
• Oxygen levels in the air do not limit plant productivity, researchers find
• Children in public housing play outdoors more
• Male fertility is in the bones: First evidence that skeleton plays a role in reproduction
• Chemical guided missile could be the answer to wiping out cancer
• Leafcutter ant genome reveals secrets of fungus farming ways
• Portable pedal machines may help counter harmful effects of sedentary jobs
• Hydrogen cartridges fuel laptops and phones for outdoor enthusiasts
• The real avatar: Swiss researchers use virtual reality and brain imaging to hunt for the science of the self
• World's first anti-laser built
• Benefits of electrical stimulation therapy found with people paralyzed by spinal cord injury
• Compact high-temperature superconducting cables demonstrated
• Link between obesity, high-fat meals and heart disease reinforced by new study
• The green machine: Algae clean wastewater, convert to biodiesel
• Farther and farther apart: The more you know a place, the more likely your memory will play spatial tricks
• Catching space weather in the act
• Eggs' quality control mechanism explained
• Controlling a computer with thoughts?
• Sleeping Trojan horse to aid imaging of diseased cells
• Improving microscopy by following the astronomers' guide star
• Promise of genomics research needs a realistic view, experts urge
• Bears uncouple temperature and metabolism for hibernation, new study shows
• Warm weather may hurt thinking skills in people with multiple sclerosis
• World's largest lake sheds light on ecosystem responses to climate variability
• Total knee replacement patients functioning well after 20 years, study finds
• New method for unraveling molecular structures
• Broader psychological impact of 2010 Gulf of Mexico oil spill
• Pollution triggers genetic resistance mechanism in a coastal fish
• Swedish discovery could lead to new stroke therapy
• Toward an optical atomic clock: Physicists develop atomic frequency standard for one of world’s most precise clocks
• Checklist cuts lethal ventilator-associated lung infections
• 3-D video without the goggles
• Chronically ill children are 88% more likely to suffer physical abuse, Swedish researchers find
• Doing good with operations research
• Cost-effectiveness research needs to be considered in developing new medical technology, expert argues
• Multiple approaches necessary to tackle world's food problems, biologist argues
• Chemist focuses on education for real-world sustainability challenges
• Ability of professional dancers to return to their career after hip arthroscopy explored in new study
• Knee replacement surgeries take more time, are more costly in overweight individuals, study finds
• High-volume hospitals improve orthopedic outcomes, study finds
• New discipline of aeroecology introduced

Posted 2011-02-18:

• Ozone layer’s future linked strongly to changes in climate, study finds
• New testing could replace colonoscopies in the future
• Flocculent spiral has relatively low star formation rate
• Group of enzymes could have a positive impact on health, from cholesterol to osteoporosis
• Getting cars onto the road faster
• Female topics encourage girls to study science, study finds
• Insects hold atomic clues about the type of habitats in which they live
• Promising treatment for heroin dependency
• First skyscraper was a monument to intimidation: How Jericho's 11,000-year-old 'cosmic' tower came into being
• Neurologists develop software application to help identify subtle epileptic lesions
• Scientists discover agave's tremendous potential as new bioenergy feedstock
• US public's knowledge of science: Getting better but a long way to go, study finds
• Global warming may reroute evolution, milkweed research finds
• Mobile phone use not related to increased brain cancer risk, UK study suggests
• Scientists elevate warfighter readiness against invisible threats
• Cigarette smoking increases production of mucus in patients with bronchitis
• Physicists propose beaming laser at atmospheric sodium to measure global magnetic field
• Innovative virtual reality exposure therapy shows promise for returning troops
• Herschel measures dark matter for star-forming galaxies
• Treatment for manic-depressive illness restores brain volume deficits
• Choosing your neighbors: Scientists see how microbes relate in space
• Biomarker discovery may lead to reliable blood test for ectopic pregnancy
• 'Periodic table of shapes' to give a new dimension to math
• Children of working moms face more health problems, study suggests
• Regrowing hair: Researchers may have accidentally discovered a solution
• Key culprit identified in breast cancer metastasis
• Reflected glory: New image of nebula shows brilliant starlight as it ricochets off dust particles
• Water softeners not found to improve childhood eczema
• New probe of proton spin structure: How quarks of different flavors contribute to spin
• Waking up is hard to do: Scientists identify a gene important for the daily rhythms of the sleep-wake cycle
• Thawing permafrost likely will accelerate global warming, study finds
• Researchers reveal first autism candidate gene that demonstrates sensitivity to sex hormones
• Tau-induced memory loss in Alzheimer’s mice is reversible; Study raises hopes for the development of effective therapies
• Host genetics plays unexpected role in dance with pathogen
• Storms, soccer matches hidden in seismometer noise
• Lie detection: Misconceptions, pitfalls and opportunities for improvement
• Why are vines overtaking the American tropics?
• Drug therapy shows significant benefit in treating a leading cause of childhood blindness
• Eating berries may lower risk of Parkinson's
• Biomarker could make diagnosing knee injury easier, less costly, othopaedists say
• Security weaknesses in file-sharing methods used in clinical trials revealed
• Who's the boss? Americans respond faster to those with high social status
• Fossil antelopes shed new light on today's sub-Saharan mammals
• Whole genome sequencing used to help inform cancer therapy
• Acid oceans demand greater reef care
• Customized knee replacement depends on surgeon's skill, not implant design, study finds
• New romaine lettuce lines launched; Breeding lines prove dieback resistant, show improved shelf life
• Risks for quitting college identified
• Palliative radiotherapy for bone metastases guideline published
• Europe's space freighter: ATV Johannes Kepler operating flawlessly

Posted 2011-02-17:

• Dwarfism gene linked to protection from cancer and diabetes
• Bleeding disorder often misdiagnosed, study suggests
• Finding a way to extend tomato shelf-life
• Statin may affect markers associated with progression of HIV, trial suggests
• Build your online networks using social annotations
• To escape blame, be a victim, not a hero, new study finds
• Iceland volcano drilling suggests magma could become source of high-grade energy
• Brain insulin plays critical role in the development of diabetes
• Ultra-fast suction traps leave no chance for prey animals
• New pneumococcal vaccine approach successful in early tests; Vaccine inhibits bacteria by mimicking naturally-acquired immunity
• Sterility in frogs caused by environmental pharmaceutical progestogens, study finds
• Dial 5683 for love: Dialing certain numbers on a cell phone changes your emotional state
• Fossils may look like human bones: Biological anthropologists question claims for human ancestry
• Hearing with your nose: How nasal stem cells could tackle childhood hearing problems
• New way to estimate global rainfall and track ocean pollution
• Using chlorhexidine gluconate baths to reduce hospital-acquired infections
• US Secret Service moves tiny town to virtual tiny town: Teaching Secret Service agents and officers how to prepare a site security plan
• Got a goal? A helpful partner isn't always helpful
• Increasing brain enzyme may slow Alzheimer's disease progression; Study finds damaging accumulation of tau proteins removed
• Losing hair at 20 is linked to increased risk of prostate cancer in later life, study finds
• Pheromone increases foraging honey bees, leads to healthier hives
• Researchers model fetal-to-adult hemoglobin switching: Important step towards cure for blood diseases
• Inhaling 'Red Mud Disaster' dust may not be as harmful to health as feared
• Drivers engaging in a secondary task may pay more attention to the road, study suggests
• Astronomers identify thick disc of older stars in nearby Andromeda galaxy
• Scientists discover cell of origin for childhood muscle cancer
• Living fast but dying older is possible -- if you're a sheep
• Surgery without incisions for heartburn
• Device enables remote explosion of improvised land mines
• Analysis of violent deaths of Iraqi civilians between 2003-2008
• New material provides 25 percent greater thermoelectric conversion efficiency
• Zinc reduces the burden of the common cold
• Lavender oil has potent antifungal effect
• Overabundance of protein expands breast cancer stem cells; Two drugs block cancer-promoting chain of events
• Wireless device helps athletes get the most out of exercise
• Video games to enhance learning
• If greenhouse gas emissions stopped now, Earth would still likely get warmer, new research shows
• New study finds no cognitive impairment among ecstasy users
• Extinction predictor to help protect coral reefs
• Atomic model of tropomyosin bound to actin
• Active harpy eagle nest found in Maya Mountains of Belize
• Alcohol's disruptive effects on sleep may be more pronounced among women
• Monitoring killer mice from space: Green on satellite images warns of hantavirus outbreaks
• Good diets fight bad Alzheimer's genes: Diets high in fish oil have a beneficial effect in patients at risk, researcher says
• Two new plants discovered in Spain
• Designing new molecular tools to study the life and death of a cancer cell
• Uncovering the genome secrets of the Blackleg fungus
• One third of us have tried dating websites with middle-aged suitors using them most
• 'Model minority' Asian Americans are not viewed as ideal leaders in US, study finds
• Herschel finds less dark matter but more stars
• Parenting after the death of a child a difficult balancing act
• Latino siblings of children with developmental disabilities at risk, study finds
• Health care spending: Study shows high imaging costs for defensive purposes

Posted 2011-02-16:

• Mental retardation gene provides insights into brain formation
• Active wound healing can accelerate tumor formation, study finds
• New malaria vaccine depends on … mosquito bites?
• Method of DNA repair linked to higher likelihood of genetic mutation
• Reconfigurable supercomputing outperforms rivals in important science applications
• You are what you app: Choice of smartphone applications define your computing style
• NASA releases images of human-made crater on comet
• 'Healthy' patients at high risk of cardiac death identified
• Sentries in the garden shed: Plants that can detect environmental contaminants, explosives
• Obesity and knee osteoarthritis shorten healthy years of life
• Science alone does not establish source of anthrax used in 2001 mailings, report finds
• Why problem drinking during adolescence is never a 'phase'
• Molecular link between reproduction in yeast and humans
• Hearing loss associated with development of dementia
• New wireless technology developed for faster, more efficient networks
• Gene that regulates immune system linked to preeclampsia
• Worldwide sulfur emissions rose between 2000-2005, after decade of decline
• Many consumers believe 36 months is longer than 3 years
• Rising seas will affect major US coastal cities by 2100, new research finds
• Genetic evidence that antioxidants can help treat cancer
• Milestone in path to large-scale quantum computing reached: New level of quantum control of light
• Obese women may be less likely to develop glaucoma
• Techniques to manipulate plant adaption in arid climates developed
• Calorie labeling has no effect on teenagers' or parents' food purchases, study finds
• Earliest humans not so different from us, research suggests
• How p53 is inactivated in cancerous cells, allowing tumors to grow
• Physicists isolate bound states in graphene-superconductor junctions
• Vegans' elevated heart risk requires omega-3s and B12, study suggests
• Two pesticides -- rotenone and paraquat -- linked to Parkinson's disease, study suggests
• Women with eating disorders draw a different picture of themselves than women without, study suggests
• Jewel-toned organic phosphorescent crystals: A new class of light-emitting material
• Abnormal control of hand movements may hint at ADHD severity in children
• Scientists develop control system to allow spacecraft to think for themselves
• Most stroke patients not getting clot-busting treatment in timely manner
• Don't blame the pill for estrogen in drinking water
• Stroke takes 'enormous toll' on Hollywood stars
• World phosphorous use crosses critical threshold
• An early step in Parkinson's disease: Problems with mitochondria
• Estrogen reduces breast cancer stem cells and aggression in breast cancer, study suggests
• New anti-clotting drug added to recommendations for treating irregular heartbeat
• How plants near Chernobyl shrug off radiation
• Ancient Mesoamerican sculpture uncovered in southern Mexico
• Magnesium sulfate may offer protection from cerebral palsy, study suggests
• Turtle populations affected by climate, habitat loss and overexploitation
• Few physicians refer patients to cancer clinical trials
• New research changes understanding of C4 plant evolution
• Preterm birth clinic attendence leads to major reduction in infant disability
• Scientists warn against stifling effect of widespread patenting in stem cell field
• Macho muscle cells force their way to fusion
• Financial planning a key but neglected component of Alzheimer's care
• Density of neighborhood liquor stores is especially risky for African-Americans who drink, study finds
• Comet hunter's first images of Tempel 1
• NASA's Stardust spacecraft completes comet flyby

Posted 2011-02-15:

• X-rays show why van Gogh paintings lose their shine
• Moderate-to-heavy alcohol intake may increase risk of atrial fibrillation
• Culling can't control deadly bat disease, mathematical model shows
• Use of alcohol-free antibacterial mouth-rinse is associated with decrease in preterm birth
• Satisfied in submerged cages: Salmon happy in deeper water
• Total cooperation among people is not viable, Spanish study finds
• Next-generation electronic devices: Conduction, surface states in topological insulator nanoribbons controlled
• Not so fast: Differences in the first embryonic cell lineage decision of mammals
• Quest for designer bacteria uncovers a 'Spy'
• Early signs of heart disease in preadolescent children with type 1 diabetes
• Working toward automating sedation in intensive care units
• United Kingdom is a nation of happy couples, study finds
• Deep-sea volcanic vents discovered in chilly waters of Southern Ocean
• Jumping genes: Tumor microvesicles reveal detailed genetic information
• Training for walking on Mars
• Pesticide-free method takes a bite out of mosquito-borne disease
• Delving into manganite conductivity
• Playtime helps bind generations
• Mummy remains show false toes helped ancient Egyptians walk
• Offspring of female rats given folic acid supplements develop more breast cancer, study suggests
• Invasive plants can create positive ecological change
• New gene test offers personalized treatment for inherited neuromuscular disorder
• Roses get celery gene to help fight disease
• Trial and error: The brain learns from mistakes
• Massive flux of gas, in addition to liquid oil, at BP well blowout in Gulf
• Clues to mystery of preterm delivery
• Partnership of genes affects the brain's development
• Electronic fetal heart rate monitoring greatly reduces infant mortality, study finds
• The recycled port? An alternative to dumping at sea
• Thoughts of hopes, opportunities keep people from clinging to failing investments
• Lost whaling shipwreck with link to Melville's Moby-Dick discovered in the Northwestern Hawaiian Islands
• Light shed on RNA 'on/off switches'
• Fleeting fluctuations in superconductivity disappear close to transition temperature
• Severely obese women may need to gain less weight during pregnancy
• U.S. security experts help Kazakhstan safely transport, store Soviet-era bomb materials
• You benefit if your romantic partner recovers well from spats
• Pesky bacterial slime reveals its survival secrets
• Heat therapy could be new treatment for parasitic skin disease
• Sugar residues regulate growth and survival of nerve cells
• Naturally occurring brain signaling chemical may be useful in understanding Parkinson's
• Airborne sensor to study 'rivers in the sky'
• Enhance romance by going out with other couples
• Gonorrhea acquires a piece of human DNA: First evidence of gene transfer from human host to bacterial pathogen
• How adult stem cell therapy reduces inflammatory damage
• Arctic climate variation under ancient greenhouse conditions
• Stroke rehabilitation: Walking improves with home therapy just as well as treadmill training, study suggests

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