ScienceDaily Top Science Headlines
for the Week of January 23 to January 30, 2011
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Posted 2011-01-29:
- Learn more quickly by transcranial magnetic brain stimulation, study in rats suggests
- Mini-strokes leave 'hidden' brain damage
- Cocaine production increases destruction of Colombia’s rainforests
- Growth spurt? 'Catch-up' growth signals revealed
- New glasses change lens color on the fly
- Presence of peers heightens teens' sensitivity to rewards of a risk
- DNA caught rock 'n rollin': On rare occasions DNA dances itself into a different shape
- Premature infants' lungs may improve with better nutrition
- More frequent drought likely in eastern Africa
- Voice-saver: Light therapy for early-stage laryngeal cancer
- Draft 'genetic road map' of biofuels crop
- Helping others helps alcoholics stay on the road to recovery
Posted 2011-01-29:
- Infants ascribe social dominance to larger individuals
- Novel surgery removes rare tumor, rebuilds trachea
- Global eruption rocks the Sun: Scientists re-evaluate ideas about solar storms
- Smoking widespread among youth with diabetes, raising heart disease risk
- Air above Dead Sea contains very high levels of oxidized mercury
- The Oscar curse? Oscar win for best actress increases the risk of divorce, study suggests
- Cow rumen enzymes for better biofuels
- Exposure to worm infection in the womb may protect against eczema, study suggests
- Understanding the human neurosystem by researching locust brains
- New therapies and gene target advance the treatment and understanding of hard-to-treat leukemias
- Rivers cut deep notches in the Alps' broad glacial valleys
- Perception of time spent with fathers can lead to bullying
- Cancer drug aids regeneration of spinal cord after injuries
- Age of onset of puberty predicts adult osteoporosis risk: Later puberty results in lower bone mass
- On the hunt for universal intelligence
- Cold cases gone hot: Researchers solve decades-old medical mysteries using genetics
- Unlocking the secrets of DNA
- Social networking provides insights into leadership, trust and mobility
- Dinosaurs survived mass extinction by 700,000 years, fossil find suggests
- How fusion protein triggers cancer
- Touchscreens made of carbon
- Yearly mammograms from age 40 save 71 percent more lives, study shows
- Insects that deter predators produce fewer offspring
- High school biology teachers in U.S. reluctant to endorse evolution in class, study finds
- A mix of tiny gold and viral particles, and the DNA ties that bind them
- Stem cells show promise in repairing a child's heart
- New transistor for plastic electronics exhibits the best of both worlds
- Scientists link protein to the insulation of the nervous system's wiring
- New training instrument allows surgeon to feel grasp force in keyhole surgery
- Marriage is good for physical and mental health, study finds
- How bacteria keep ahead of vaccines and antibiotics
- Biomarkers of poor outcomes in preemies identified
- Membrane molecule keeps nerve impulses hopping
- New test better predicts breast cancer outcomes
- Nanowires exhibit giant piezoelectricity
- Weighing the costs of disaster
- Warming North Atlantic water tied to heating Arctic
- Protein related to aging holds breast cancer clues
- Production of plant pollen is regulated by several signalling pathways
- Newborn screening increases survival outcome for patients with severe combined immunodeficiency
- New computer tool for elderly and disabled
- Mother's happier when babies are six months old than when three years old, Norwegian study suggests
Posted 2011-01-28:
- Brain 'GPS' illuminated in migratory monarch butterflies
- Discovery could lead to new therapies for asthma, COPD
- Climatic fluctuations in last 2,500 years linked to social upheavals
- Origins of the pandemic: Lessons of H1N1
- Physics for financial markets
- Women in Congress outperform men on some measures, study finds
- Mass extinction linked to ancient climate change, new details reveal
- Bacteria possible cause of preterm births
- First large-scale, physics-based space weather model transitions into operation
- NSAID receptor responsible for olive oil's 'cough' and more
- NASA comet hunter spots its Valentine
- Modern humans reached Arabia earlier than thought, new artifacts suggest
- Early antibiotic use can lead to increased risk of childhood asthma, study suggests
- Fluorescent color of coral larvae predicts whether they'll settle or swim; Finding could help scientists monitor how corals adapt to global warming
- Secondhand smoke laws may reduce childhood ear infections, study suggests
- Graphene and 'spintronics' combo looks promising
- Denmark, Finland and Belgium have best democracies, experts say
- Potential 'cure' for type 1 diabetes?
- HIV causes rapid aging in key infection-fighting cells, study suggests
- New lab-on-chip advance uses low-cost, disposable paper strips
- Getting more anti-cancer medicine into the blood
- Agave fuels excitement as a bioenergy crop
- Eight percent of fans legally drunk after attending professional sports games, study finds
- Ancient body clock discovered that helps keep all living things on time
- Household bugs: A risk to human health?
- World can be powered by alternative energy, using today's technology, in 20-40 years, experts say
- Key enzyme that affects radiation response identified
- Soap films help to solve mathematical problems
- Gender and hygiene: Could cleanliness be hurting girls?
- Natural growth factor enhances memory, prevents forgetting in rats
- Traffic noise increases the risk of having a stroke, study suggests
- Nervous system as a 3-D map: First complete map of special connections of nerve cells in zebrafish
- 3-D MRI helps kids with ACL tears: Surgery without harming the growth plate
- Hungry chicks have unique calls to their parents
- 'Difficult' patients more likely to experience worse symptoms
- 'Hidden plumbing' helps slow Greenland ice flow: Hotter summers may actually slow down flow of glaciers
- Mediator of blood pressure regulation in the liver identified; Pressor reflex triggered simply by drinking water
- How strong is the weak force? New measurement of the muon lifetime
- DMP1 protein inhibits angiogenesis, could lead to new treatments against cancer and other diseases
- Hardware, software advances help protect operating systems from attack
- Highly interactive training helps workers in dangerous jobs avoid deadly mistakes
- Chemists turn gold to purple -- on purpose: Color change confirms a new way to harvest energy from sunlight
- How pathogenic bacteria hide inside host cells
- NASA's new robotic lander prototype skates through integration and testing
- Molecular network influences development of chronic lymphocytic leukemia
- Waterhemp rears its ugly head ... again
- Pay-for-performance does not improve patient health, finds UK hypertension study
- Organic food in pregnancy
Posted 2011-01-27:
- No leftovers for Tyrannosaurus rex: New evidence that T. rex was hunter, not scavenger
- Non-alcoholic energy drinks may pose 'high' health risks, experts argue
- An astronomer's field of dreams: New radio telescope array to harness power of more than 13,000 antennas
- Neuroscientists learn how channels fine-tune neuronal excitability
- Nanotech milling produces dramatic increase in thermoelectric performance of bulk semiconductor
- Eyewitnesses are not as reliable as one might believe
- Jupiter scar likely from Titanic-sized asteroid
- New way to prevent infections in dialysis patients
- Food-borne bacteria causes potentially fatal heart infection
- Shockable cardiac arrests are more common in public than home, study finds
- Fishy consequences of transplanting trout, salmon, whitefishes: Some fish do not respond well to relocation
- Eating poorly can make you blue: Trans-fats increase risk of depression, while olive oil helps avoid risk
- Most distant galaxy candidate yet seen: Hubble sees farther back in time than ever before
- New anti-HIV gene therapy makes T-cells resistant to HIV infection
- Discovery of a biochemical basis for broccoli's cancer-fighting ability
- Infiltrating cancer's recruitment center: How beneficial cells are subverted to support cancer growth
- Genetic archaeology finds parts of human genome more closely related to orangutans than chimps
- Sharing child caregiving may increase parental conflict, study finds
- Orangutan DNA more diverse than human's, remarkably stable through the ages
- Growth-factor-containing nanoparticles accelerate healing of chronic wounds
- First study of dispersants in Gulf spill suggests a prolonged deepwater fate
- Molecular mechanism links stress with predisposition for depression
- 'Undead' may influence biodiversity, greenhouse gas emissions
- Centuries of sailors weren't wrong: Looking at the horizon stabilizes posture
- Evolution by mistake: Major driving force comes from how organisms cope with errors at cellular level
- Hot flushes are linked with a significant reduction in breast cancer risk, study finds
- Practical full-spectrum solar cell comes closer
- Use of antidepressant associated with reduction in menopausal hot flashes
- Armchair nanoribbons made into spintronic device
- Soldiers’ brains adapt to perceived threat during mission
- Mathematical model could help predict and prevent future extinctions
- New method attacks bacterial infections on contact lenses
- Genetic origin of cultivated citrus determined: Researchers find evidence of origins of orange, lime, lemon, grapefruit, other citrus species
- Imaging procedure can identify biomarker associated with Alzheimer's disease
- Mercury in Bay Area fish a legacy of California mining
- Preschool kids know what they like: Salt, sugar and fat
- Van-der-Waals force up close: Physicists take new look at the atom
- New TB vaccine provides stronger, longer-lasting protection
- Chemists document workings of key staph enzyme -- and how to block it
- Genetic diversity found in leukemic propagating cells
- Shining new light on air pollutants using entangled porous frameworks
- Parental divorce linked to suicidal thoughts
- Biologists' favorite worm gets viruses: Finding means C. elegans may aid studies of human infections
- Unfolding pathogenesis in Parkinson’s: Breakthrough suggests damaged proteins travel between cells
- 'Green' chemistry extraction method developed for hot capsicum fruit
- HIV-positive head and neck cancer patients benefit from radiation therapy, study finds
- No longer just a spectator, silicon oxide gets into the electronics action on computer chips
- Migraines and headaches present no risk to cognitive function, study finds
- Racial stereotyping found in US death certificates, sociologists say
- Alternative energy use at forward operating bases can save dollars, lives, say US military researchers
- If you knew Susie: The sequence of the orangutan genome
- Genome analysis outlines variations in orangutans of Borneo, Sumatra
- First pediatric surgical quality program shows potential to measure children's outcomes
- Support not punishment is the key to tackling substance abuse and addiction among nurses, study suggests
Posted 2011-01-26:
- Human-made DNA sequences made easy: New method for rapidly producing protein-polymers
- Exercise improve symptoms in irritable bowel syndrome
- Safety concerns about experimental cancer approach: Widespread vascular tumors, massive hemorrhage and death reported in mice
- Cholera vaccination beneficial, post-outbreak
- Time machine for climate scientists: Earth's extreme weather events since 1871 reanalyzed
- The language of young love: The ways couples talk can predict relationship success
- 'Breast on a chip': Researchers create 'engineered organ' model for breast cancer research
- Caffeine energizes cells, boosting virus production for gene therapy applications
- Debris on certain Himalayan glaciers may prevent melting
- Dynamic systems in living cells break the rules
- Spiral galaxy: First Light for VIRUS-W spectrograph
- People aren't born afraid of spiders and snakes: Fear is quickly learned during infancy
- New materials may bring advanced optical technologies, cloaking
- Vaccines for plague and bacterial pneumonias?
- Asian tiger numbers could triple if large-scale landscapes are protected
- New dishware sanitizers prove more effective at killing harmful bacteria
- Mathematicians use cell 'profiling' to detect abnormalities -- including cancer
- Bartenders may have role in assisting troubled war veterans
- Rogue storm system caused Pakistan floods that left millions homeless
- Rising indoor winter temperatures linked to obesity?
- Rhythmic vibrations guide caste development in social wasps
- Ultrasound and a blood test can increase survival after myocardial infarction
- Voiding defects: New technique makes LED lighting more efficient
- Workers most invested in their jobs have highest stress levels
- First single-fingered dinosaur discovered
- Research into synthetic antibodies offers hope for new diagnostics
- First-ever global map of surface permeability informs water supply, climate modelling
- Biomarker test shows promise for melanoma diagnosis
- Accelerated evolution used to develop enzymes that provide protection against nerve gas
- Chopin's hallucinations were probably caused by epilepsy, study suggests
- World's biggest extinction event: Massive volcanic eruption, burning coal and accelerated greenhouse gas choked out life
- Cell death pathway linked to mitochondrial fusion
- Mathematical model explains how complex societies emerge, collapse
- Uncovering the trail behind growing too old, too soon
- New microscopy method opens window on previously unseen cell features
- Childhood self-control predicts adult health and wealth
- Faster early development might have its costs, study in salamanders suggests
- Smoking may be associated with increased risk of breast cancer
- Monk seal and hump-backed dolphin are threatened by fishing activities off coast of Mauritania
- Weight loss plus walking essential for older, obese adults
- Nanoscale transistors used to study single-molecule interactions
- New mortgage design would minimize home foreclosures
- Out of mind in a matter of seconds: Surprising rate at which neuronal networks in cerebral cortex delete sensory information
- Lowering blood pressure in middle-aged women reduces heart disease risk
- Sensors to detect explosives, monitor food being developed
- Medication dosing errors for infants and children
- Industrial pollutants found in Eastern Lake Erie carp
- Egg donation: The way to happy motherhood, with risks and side effects
- Emergency care for childbirth complications: Out of reach for rural women in Zambia?
- Small bowel blood flow in healthy subjects receiving low-dose aspirin
- Hemolysis and intestinal injury
- Is different approach needed for acute diverticulitis in younger patients?
- Seroprevalence of anti-HAV among patients with chronic viral liver disease
- Useful biomarkers for esophageal squamous cell carcinoma
- Embryogenesis evidence of foregut duplication cyst
- A psychopath lacks empathy just like a person with frontal head injury, study suggests
- No direct military benefit from use of alternative fuels by armed forces, study suggests
Posted 2011-01-25:
- Runaway star plows through space
- Deep brain stimulation may help hard-to-control high blood pressure
- Spiders adjust courtship signals for maximum effect
- Cost to treat heart disease in United States will triple by 2030
- Humans have been provoking climate change for thousands of years, carbon history shows
- Unrealistic optimism appears common in early cancer trials and may compromise informed consent
- Humans' critical ability to throw long distances aided by an illusion, study finds
- Gene mutated in one in three patients with common form of renal cancer
- Climate change threatens many tree species
- Breakthrough in understanding hereditary emphysema
- Nanoworld in color: Tiny lens arrays can record or project sharp images
- How does anesthesia disturb self-perception?
- Blocking rogue gene could stop spread of cancer, new research suggests
- Anti-estrogen medication reduces risk of dying from lung cancer, study finds
- Aquatic food web tied to land: Some fish are made out of maple leaves
- Study predicts risk of memory loss in healthy, older adults
- A new way to control 'superweeds': Two bacterial enzymes confer resistance to common herbicide
- Better learning through handwriting
- Salty evolution: Previously unknown central metabolic pathway in microorganisms discovered
- Unexpected find opens up new front in effort to stop HIV
- Function of novel molecule that underlies human deafness revealed
- NFL linemen recover from back surgery, and so can you
- Curved carbon for electronics of the future
- Dangerous environments 'make parents more caring,' researchers find
- Genetic sequencing alone doesn't offer a true picture of human disease, research suggests
- Culprit found for increased stroke injury with diabetes
- Persistent drought to linger across southern United States
- Stroke rate rises for patients with HIV infection
- New math theories reveal the nature of numbers
- Awake despite anesthesia
- Light touch transforms material into a superconductor
- CT scanning aids rapid diagnosis, treatment planning for abdominal pain
- Fat associated with chemical changes in DNA that may help explain obesity-related disease
- Coronary imaging enhances ability to identify plaques likely to cause future heart disease
- Thwarting attacks on cell phone mesh networks
- Obesity linked to economic insecurity
- Creating simplicity: How music fools the ear
- Fighting the fight for healthy teeth
- Delving into the past of a big cat: Clouded leopard redefined
- Study of nutrition, Alzheimer's links hampered by research approach
- Real-world graphene devices may have a bumpy ride
- Legal restrictions compromise clinical effectiveness of advance directives, study finds
- NASA's first solar sail NanoSail-D deploys in low-Earth orbit
- NASA's salt-seeking instrument gets a silvery blanket
Posted 2011-01-24:
- Light controls a worm's behavior: Scientists commandeer organism's nervous system without wires or electrodes
- Beyond improving Parkinson's symptoms, does deep brain stimulation stall their progression?
- Contagious cancer thrives in dogs by adopting host's genes
- Gene mutation play a major role in one cause of kidney disease
- Could oysters be used to clean up Chesapeake Bay?
- Unlikely there will ever be a pure 'cyber war,' study suggests
- Long-distance migration may help reduce infectious disease risks for many animal species
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