ScienceDaily Top Science Headlines -- for the Week of May 1 to May 8, 2011

ScienceDaily Top Science Headlines

for the Week of May 1 to May 8, 2011

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Posted 2011-05-07:

• Engineers patch a heart: Tissue-engineering platform enables heart tissue to repair itself
• Telomerase: Research reveals how cancer-driving enzyme works
• It takes a community of soil microbes to protect plants from disease
• Direct proof of how T cells stay in 'standby' mode: Study offers means of activating T cells to fight disease without antigenic triggers
• Green roof proves a cost-effective way to keep water out of sewers
• Computers sing to a better tune
• New mineral discovered: One of earliest minerals formed in solar system
• How shifts in temperature prime immune response
• Vatican science panel calls attention to the threat of glacial melt
• Potential multiple sclerosis therapy could kill brain cells, study suggests
• Chemistry curbs spreading of carbon dioxide: Research could have implications for carbon sequestration
• Families are 'lovin' it': Parents' work influences how often family meals are eaten outside of home

Posted 2011-05-07:

• Malaria mosquitoes accurately find their way to smelly feet
• Parental exposure to BPA during pregnancy associated with decreased birth weight in offspring
• Advanced instrument analyzes immune cells in far more detail: Technology promises more effective prescription drug therapies
• Protein snapshots reveal clues to breast cancer outcomes
• Comet Elenin: Preview of a coming attraction
• Combination of ADHD and poor emotional control runs in families, study suggests
• Mars Express sees deep fractures on Mars
• Insight into HIV immunity may lead to vaccine
• Sticking their necks out for evolution: Why sloths and manatees have unusually long (or short) necks
• Cigarette smoking and arsenic exposure: A deadly combination
• Quantum simulation with light: Frustrations between photon pairs
• Children of bipolar parents are overly sensitive to stress hormone cortisol, study finds
• Scientists afflict computers with 'schizophrenia' to better understand the human brain
• Antibodies help protect monkeys from HIV-like virus, scientists show
• EEG headset with flying harness lets users 'fly' by controlling their thoughts
• Surgery reduces risk of mortality due to prostate cancer even for low-risk groups, study finds
• Selaginella genome adds piece to plant evolutionary puzzle
• Pundits predict no more accurately than a coin toss, students find
• Universal signaling pathway found to regulate sleep
• DNA from common stomach bacteria minimizes effects of colitis, study says
• Forecast calls for nanoflowers to help return eyesight: Physicist leads effort to design fractal devices to put in eyes
• Stem cell-related changes that may contribute to age-related cognitive decline identified
• After a three-decade hiatus, sea-level rise may return to N. America's West Coast
• When self-esteem is threatened, people pay with credit cards
• Succulent plants waited for cool, dry Earth to make their mark
• Mutation provides new insight into the molecular mechanisms of aging
• NASA selects investigations for future key missions
• Drug-resistance fears for deadly fungal disease
• Capt. Kidd shipwreck site to be dedicated 'Living Museum of the Sea'
• Life satisfaction and state intervention go hand in hand
• Why more species live in Amazon rainforests: Evolution of treefrogs sheds light on the mystery
• Prolonged bottle feeding increases the risk of obesity, study suggests
• Precipitation, predators may be key in ecological regulation of infectious disease
• Anatomy of an outbreak: Tiny changes in chikungunya virus separate epidemic African strain and tamer Asian variety
• Mars tribute marks memories of Shepard's flight
• Can social deficits of autism and schizophrenia be modeled in animals?
• Filipino children in San Diego County at higher risk for Kawasaki disease, study finds

Posted 2011-05-06:

• New way to control conductivity: Reversible control of electrical and thermal properties could find uses in storage systems
• Far-reaching effects of estrogen signaling mapped in breast cancer cells
• Expert panel calls for 'transforming US agriculture': Changes in markets, policies and science needed for more sustainable farming
• Short antibiotic courses safer for breathing-tube infections in children
• Corn gene provides resistance to multiple diseases, study shows
• Who knows you best? Not you, say psychologists
• Amygdala detects spontaneity in human behavior: Study of jazz musicians reveals how brain processes improvisations
• Normal stem cells made to look and act like cancer stem cells
• Using solar power to sterilize medical instruments
• Key gene found in childhood cancer
• Robot engages novice computer scientists
• More than 20 percent of atheist scientists are 'spiritual', study finds
• Reptile 'cousins' shed new light on end-Permian extinction
• Mirror neuron system in autism: Broken or just slowly developing?
• Hunting for deadly bacteria
• Anti-inflammatory drug may fight breast cancer
• Sharpened focus: Improving the numbers, utility of medical imaging
• Artful dodgers: Seeing questions can help voters detect dodges and be better informed, new study says
• Spitzer detects shadow of 'super-Earth' in front of nearby star
• Worm discovery could help one billion people worldwide
• Better glasses-free 3-D: Mew approach to make 3-D illusions more realistic
• Contraceptive pill and HRT may protect against cerebral aneurysm, study suggests
• Small sea birds hold heat rather than cranking up the furnace
• Night owls at risk for weight gain and bad diet
• NASA's Gravity Probe B confirms two Einstein space-time theories
• Protein discovered that could help prevent the spread of cancer
• World's smallest atomic clock: Tiny laser reduces power consumption 1,000-fold
• Exercise protects the heart via nitric oxide, researchers discover
• What lies beneath the seafloor? Results from first microbial subsurface observatory experiment
• Spring babies face anorexia risk, study suggests
• Transistors reinvented using new 3-D structure
• Hitting target in cancer fight now easier with new nanoparticle platform, scientists say
• Removable 'cloak' for nanoparticles helps them target tumors
• New route to map brain fat
• Spacecraft Earth to perform asteroid 'flyby' this fall
• Women: Painful periods increase sensitivity to pain throughout the month
• Turning 'bad' fat into 'good': A future treatment for obesity?
• Damaged hearts pump better when fueled with fats, study suggests
• Dirty mouths lead to broken hearts
• Air pollution near Michigan schools linked to poorer student health, academic performance
• Evolutionary lessons for wind farm efficiency
• Attention, please: How innovations and Nobel Prize winners make it
• Horsetail plant developed successful set of tools for extreme environments -- for millions of years
• Asthma pill more user-friendly than inhalers -- and no less effective, study finds
• In therapy with avatars: Virtual technology to combat phobias, psychotic disorders
• Age alone should be used to screen for heart attacks and strokes, say experts
• Ranking research: Using social bookmarking tools to extract relevance
• Estimated costs of environmental disease in children at .6 billion per year
• No smoking policies may present challenges to treatment centers
• Can America stop the kidney brain drain? US medical students are rejecting kidney careers, review finds
• Many dialysis patients may not understand important health information, study finds
• California's draft Bay Delta conservation plan needs better integration to be more scientifically credible, report finds
• Female-to-male transsexual people have more autistic traits, study suggests
• Most blacks report calling a friend, not 911, when facing the symptoms of a stroke, study finds

Posted 2011-05-05:

• Genome duplication encourages rapid adaptation of plants
• New mitochondrial control mechanism discovered
• Supernova and star birth in the Meathook Galaxy
• Childhood cancer survivors are at increased risk for ongoing post-therapy GI complications
• Economic analysis updated for the National Petroleum Reserve in Alaska
• Gender bias uncovered in children's books with male characters, including male animals, leading the fictional pack
• Revolutionary new paper computer shows flexible future for smartphones and tablets
• Unlocking the metabolic secrets of the microbiome
• Technique developed for measuring stressed molecules in cells
• Chronic fatigue syndrome not related to XMRV retrovirus, comprehensive study finds
• Marine snails get a metabolism boost
• Positive effects of depression
• Battle scars found on an ancient sea monster
• Natural protection against radiation
• Portable tech might provide drinking water, power to villages
• New evidence that caffeine is a healthful antioxidant in coffee
• Climbers leave rare plants' genetic variation on the rocks
• Physical and emotional health of older couples linked for better or worse, study finds
• Effects of climate change in Arctic more extensive than expected, report finds
• Blood test for Alzheimer's: Study identifies procedure that detects early stages
• Dawn spacecraft reaches milestone approaching asteroid Vesta
• Extracting stem cells from fat for tissue regeneration
• Cola detectives test natural flavoring claims for pricey soft drinks
• Does it take one to know one? New research reveals conspiring conspiracy theorists
• Marsupial wolf or Tasmanian tiger? Extinct Australian thylacine was more cat than dog, researchers find
• Mouse study turns fat-loss/longevity link on its head
• Revolution in wound care? Cotton candy-like glass fibers appear to speed healing in initial venous stasis wound trial
• Most patients recover from 'chemo-brain' by 5 years after stem cell transplant
• Climate change analysis predicts increased fatalities from heat waves
• Ecstasy associated with chronic change in brain function
• Sense of justice built into the brain, imaging study shows
• 'I'm a tumor and I'm over here!' Nanovaults used to prod immune system to fight cancer
• Market lighting affects nutrients in salad greens, researchers find
• Structured exercise training associated with improved glycemic control for patients with diabetes
• Using social networking to tap collective intelligence of online study groups
• Nicotine and cocaine leave similar mark on brain after first contact
• Robots learn to share: Why we go out of our way to help one another
• Agent selectively targets malignant B cells in chronic leukemia, study shows
• Curtains that block noise
• Many new drugs did not have comparative effectiveness information available at time of FDA approval, study finds
• Explaining the behavior of latest high-temp superconductors
• Bin Laden's attacks among the most lethal, according to study
• First rainforests arose when plants solved plumbing problem
• Researchers demonstrate why DNA breaks down in cancer cells
• Tiger-parrots show their true evolutionary stripes
• High risks associated with egg donation to women with Turner’s syndrome, research reveals
• Rotational grazing in native pasturelands benefits wildlife
• Dependency and passivity: You can have one without the other
• Schools need collaboration, not packaged solutions, for best mental health programs
• Chesapeake Bay program's two-year milestones improve upon past strategies, but accounting of progress remains a challenge
• Ecology: Undergraduate institutions should play larger research role, experts say

Posted 2011-05-04:

• Why the eye is better than a camera at capturing contrast and faint detail simultaneously
• Breast cancers found between mammograms more likely to be aggressive
• Keeping oysters, clams and mussels safe to eat
• Popular diabetes drugs' cardiovascular side effects explained
• Formidable fungal force counters biofuel plant pathogens
• Narrow brands make you want to buy
• Rice's origins point to China, genome researchers conclude
• Molecular movements of neural transporters unveiled
• Saving the Asiatic wild ass in the Mongolian Gobi
• Scientists track evolution and spread of deadly fungus, one of the world's major killers
• Early history of genetics revised: New light shed on 'rediscovery' of Mendel's laws of heredity
• 'Fatting in': Immigrant groups eat high-calorie American meals to fit in, study finds
• Shootingstars provide clues to likely response of plants to global warming
• Regenerating nerve cells: Research offers hope in new treatment for spinal cord injuries
• Receptor for Ebola virus identified
• Webcam technology used to measure medications' effects on the heart
• 'Apple a day' advice rooted in science
• How grown children cope with pain may be traced back to the way their family copes with pain
• Hydrogen fuel tech gets boost from low-cost, efficient catalyst
• New genetic cause of neurodegeneration discovered
• Minor cause, major effect: Interactions in ecosystems can intensify impact of climate change
• Following cancer prevention guidelines lowers risk of death from cancer, heart disease, all causes
• Researchers find more efficient way to steer laser beams
• Think it's easy to be macho? Psychologists show how 'precarious' manhood is
• Lichen evolved on two tracks, like marsupials and mammals
• Statins may stave off septic lung damage, new research finds
• 'Small fry' fish just as vulnerable to population plunges as sharks or tuna
• Research demonstrates link between H1N1 and low birth weight
• An atomic electrical field sensor
• Kids who specialize in one sport may have higher injury risk
• No nuts for 'Nutcracker Man': Early human relative apparently chewed grass instead
• HIV drugs can also target tropical parasites, study suggests
• Brain enlargement in autism due to brain changes occurring before age 2
• Device measures brain temperature non-invasively: Monitoring could be critical in life-saving cooling therapy
• Global warming won't harm wind energy production, climate models predict
• Secondhand smoke may increase vulnerability to nicotine addiction
• Winners of mass extinction: With predators gone, prey thrive
• Insomnia linked to high insulin resistance in diabetics
• Versatility of stem cells controlled by alliances, competitions of proteins
• Research opens door to vaccines that can circumvent maternal antibodies
• Graphene's varying conductivity levels pinpointed
• Traveler's alert: Business travel linked to obesity and poor health
• Scientists identify genetic risk for major depression
• Antioxidant may prevent alcohol-induced liver disease, study suggests
• Caves and their dripstones reveal the uplift of mountains
• New method to measure cortisol could lead to better understanding of development of common diseases
• A billion tons of biomass a viable goal, but at high price, new research shows
• Work-related 'burnout' more likely to affect the best lecturers, study suggests
• Germ Genie kills keyboard germs -- even C. difficile, scientists find

Posted 2011-05-03:

• Itch receptors work through pain receptors on sensory neurons
• A little belly fat can double the risk of death in coronary artery disease patients
• Model of island ecology sheds new light on the origins of island species
• Scientists have identifed an abnormal disease pathway in dystonia
• Lesser-known Escherichia coli types targeted in food safety research
• Blueprint of a trend: How does a financial bubble burst?
• Sniffing out calories: Hormone linked to nose's ability to locate food
• Packing on the pounds in middle age linked to dementia
• Discovery of two new genes provides hope for stemming Staph infections
• Washing with contaminated soap increases bacteria on hands, research finds
• Plasmoids and sheaths mean success or failure for solar eruptions
• Seeking happiness? Remember the good times, forget the regrets
• Endogenous proteins found in a 70-million-year-old giant marine lizard
• Aspirin reduces the risk of cancer recurrence in prostate cancer patients, study suggests
• Cells talk more in areas Alzheimer's hits first, boosting plaque component
• Animal studies reveal new route to treating heart disease
• Advanced CT with 3-D scanning improve detection of drug trafficking and other contraband smuggling
• Who needs motivation? The rewards of doing 'something'
• Single atom stores quantum information
• CPR efforts successful on man with no pulse for 96 minutes
• Rare deep-sea starfish stuck in juvenile body plan
• Growth, hormonal profiles differ between breastfed, formula-fed infants: Early nutrition has a long-term metabolic impact
• Solar-thermal flat-panels that generate electric power: Researchers see broad residential and industrial applications
• Newborns exposed to methamphetamine before birth are hard to arouse, hard to calm down, study suggests
• Eddies found to be deep, powerful modes of ocean transport connecting atmospheric events and deep ocean
• Drinking energy beverages mixed with alcohol may be riskier than drinking alcohol alone
• Teen sleep study adds to evidence of a 'neural fingerprint'
• Genes involved in embryonic heart development identified
• Cardiac arrest: Unique life-saving device give heart a second chance
• Media multitasking is really multi-distracting
• Measuring the distant universe in 3-D using light from 14,000 quasars
• Chemical in plastic, BPA, exposure may be associated with wheezing in children
• New material could improve safety for first responders to chemical hazards
• Living with a smoker may raise blood pressure in boys
• Ancestors of land plants revealed
• Little fingers, big trouble: Study sheds light on child self-unbuckling
• Physicists create quantum twin atoms
• System in brain -- target of class of diabetes drugs -- linked to weight gain
• Several baffling puzzles in protein molecular structure solved with new method
• Investigational agent shows promise in reducing spread of prostate cancer
• Actin filaments, cellular 'workhorses,' caught in action
• How to raise a child who doesn't bully
• Grandma was right: Infants do wake up taller
• Too much or too little sleep may accelerate cognitive aging, study shows
• Discovery of structure of radio source from a pulsar orbiting a massive star
• Renal cancer drug temsirolimus shows promise against mesothelioma
• Biocontrol: Fungus and wasps released to control emerald ash borer
• Animal-assisted therapy decreases patient anxiety in pre-MRI setting, study suggests
• Physicians and nurses caring for pediatric patients communicate better in small teams, study finds
• Study estimates rate of autism spectrum disorder in adults in England
• College students' use of Kindle DX points to e-reader’s role in academia

Posted 2011-05-02:

• Scorpion venom: Bad for bugs, good for pesticides
• Researchers link alcohol-dependence impulsivity to brain anomalies
• Spiders in space: Researchers observe arachnid habits in a microgravity environment
• Maternal obesity puts infants at risk of iron deficiency
• Inverting a standard experiment sometimes produces different results
• 'I'm a Mac' -- so what? Study finds way to measure brand personality appeal
• Cells send signals via membrane nanotubes
• Chemical found in crude oil linked to congenital heart disease: Fetal exposure to solvents may damage heart
• NASA building instrument to study magnetic reconnection
• Robotic surgery effective for removing hard-to-reach throat cancer, study suggests

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