ScienceDaily Top Science Headlines

for the Week of March 27 to April 3, 2011

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Posted 2011-04-02:

• Optical transistor advance: Physicists rotate beams of light with semiconductor
• Engineered protein fragment blocks the AIDS virus from entering cells
• Skywalker enzyme ensures optimal communication between neurons
• Soy increases radiation's ability to kill lung cancer cells, study shows
• Manage biological invasions like natural disasters, biologists say
• Older and stronger: Progressive resistance training can build muscle, increase strength as we age
• New nanomaterial can detect and neutralize explosives
• Insulin could be Alzheimer's therapy
• When food is scarce, hungry female spiders alter mating preferences
• Surprising finding from smoke inhalation study
• Sun and shade leaves play different roles in tree canopies
• Out of work? Your resume is no good here: Unemployed Americans face discrimination, study finds

Posted 2011-04-02:

• Novel nanowires boost fuel cell efficiency
• How brain's memory center repairs damage from head injury
• Green toad inhabited Iberian Peninsula one million years ago
• Three square meals a day paired with lean protein help people feel full during weight loss
• Some populations of Fraser River salmon more likely to survive climate change
• Many US women have children by more than one man
• World first: Calculations with 14 quantum bits
• Genetic defect suggests high blood pressure may come from mother
• Cat allergy vaccine safe and effective, study suggests
• Probiotic bacteria could help treat Crohn's disease
• Salt-seeking spacecraft arrives at launch site; NASA instrument will measure ocean surface salinity
• Misreading faces tied to child social anxiety
• Sugar-grain sized meteorites rocked the climates of early Earth and Mars, according to new study
• Brain research reveals possible causes of sudden infant death syndrome
• Spread of invasive ladybugs explained
• Screening does not reduce prostate cancer deaths, study suggests
• Scientists unlock mystery of how the 22nd amino acid is produced
• Got a craving for fast food? Skip the coffee, study suggests
• Long lost cousin of T. rex identified by scientists
• Promising target for AIDS vaccine
• Getting to know the strong force: One of the four fundamental forces of the universe
• Alzheimer's-like brain changes found in cognitively normal elders with amyloid plaques
• Whale and dolphin death toll during Deepwater disaster may have been greatly underestimated
• Brain scans reveal differences in brain structure in teenagers with severe antisocial behavior
• Mysteries of Jupiter and Saturn rings: Forensic sleuthing ties ring ripples to impacts
• Immune therapy can control fertility in mammals: Technique could prevent pregnancy in pets, human use is also envisioned
• HIV protein unveils vaccine target
• Regular breakfast helps reduce lead poisoning in children
• Making the leap to whole-cell simulations
• Professor uses math analytics to project 2011 Major League Baseball winners
• Economic importance of bats in the 'billions a year' range
• Link found between DNA damage and immune response
• Hidden elm population may hold genes to combat Dutch elm disease
• Patients in their 50s with diabetes have nearly double the risk for developing 'geriatric' ailments, study finds
• Scientists reach beyond the clouds with a mobile phone app to explore the outer atmosphere
• What choice do we have?
• Advance toward making biodegradable plastics from waste chicken feathers
• First report on bioaccumulation and processing of antibacterial ingredient TCC in fish
• Insight into lignin biosynthesis
• Novel form of ubiquitin protein characterized: New insights into inflammation and cell death
• Molar power: Milk teeth wanted for stem cell palace art project
• Study finds surprising gender differences related to sexual harassment

Posted 2011-04-01:

• Fruit fly's response to starvation could help control human appetites
• Aimless proteins may be crucial to disease
• First non-trivial atom circuit: Progress toward an atom SQUID
• Study suggests a relationship between migraine headaches in children and a common heart defect
• Micro-RNA blocks the effect of insulin in obesity
• Different genes influence smoking risk during adolescence and adulthood
• Astronomers take a look inside red giant stars
• US cancer death rates in decline: Annual report focuses on brain tumors
• Scat reveals an immigrant in Isle Royale wolves' gene pool
• Blood simple circuitry for cyborgs
• US troops exposed to polluted air in Iraq, researchers report
• Having trouble achieving work-life balance? Knowing your strategies is key
• Fossil is best look yet at an ancestor of buttercups
• Human embryonic stem cells provide new insight into muscular dystrophy
• Repulsive smell could combat bed bugs
• Hands-free electronic water faucets found to be hindrance in infection control; Manual faucets work better, study shows
• Engineer studies how to reduce impact of power tools vibrations
• Superwoman: A hard act to follow
• Mysterious 'ribbon' of energy and particles that wrap around solar system's heliosphere isolated
• Rare genetic variants most likely to influence disease
• Through the looking glass: Research into brain's ability to understand mirror-image words sheds light on dyslexia
• Remove children's catheters as soon as possible to prevent bloodstream infections
• Archaeologists explore Iraqi marshes for origins of urbanization
• Being in a good mood may lead to poor memory
• Astrophysicist: White dwarfs could be fertile ground for other Earths
• Promising new treatment for childhood leukemia
• Gesture-controlled microscope developed by Finnish researchers
• Combination of two hormones increases height in girls with Turner syndrome
• Fast-recharge, lithium-ion battery could be perfect for electric cars
• Seeing and experiencing violence makes aggression 'normal' for children
• Common yellow lab dye profoundly extends lifespan in healthy nematodes
• Vaccine to cure asthma brought on by house dust mite allergies?
• Seeing below the surface: Engineers devise a new way to inspect advanced materials used to build airplanes
• Worm research defines role of multiple disease genes at base of cilia
• Open-source software designed to minimize synthetic biology risks
• Melanoma diagnosis in women associated with higher socioeconomic status
• Sensory wiring for smells varies among individuals
• Clinical trial success for Crohn's disease cell therapy
• 'Spincasting' holds promise for creation of nanoparticle thin films
• Traumatizing your DNA: Researcher warns that it isn't 'all in the genes'
• Computerized systems reduce psychiatric drug errors, research suggests
• Lack of motivation, equipment main barriers for exercise for boys
• How to make skinny worms fat and fat worms skinny
• 'Informant' jumping gene offers new method for studying how genes are regulated
• Test after eye surgery: New halometer tests alterations in night vision
• Metastasis: Extracellular matrix tugging creates 'come hither' stimulus for cancer migration
• New wind tunnel will evaluate wind effects and thermal situations to improve urban climate
• Adolescent offspring of women who drank alcohol during first trimester more likely to develop conduct disorder

Posted 2011-03-31:

• Butterflies that explore and colonize new habitats are genetically different from cautious cousins
• No scalpel: Minimally invasive breakthrough for men’s enlarged prostates improves symptoms
• Research into poison curare may lead to medication against tobacco addiction
• Allowing people with HIV to be organ donors could save lives of HIV-positive patients with kidney or liver failure
• Blocking carbon dioxide fixation in bacteria increases biofuel production
• Educational development stunted by teenage fatherhood
• Spiders target mate-luring signals from 'vibrating' insects
• Keeping cancer dormant: Researchers target tumor metabolism by blocking energy production required for malignant cancer growth
• When is an asteroid not an asteroid?
• Antioxidant formula prior to radiation exposure may prevent DNA injury, trial suggests
• Carbon labeling of products could help consumers make environmentally friendly choices
• Mothers abused during childhood at risk for having low birth weight babies
• Newly discovered natural arch in Afghanistan one of world's largest
• Kidney cancer advance: Genetic pathways could be used to starve cancer cells selectively
• 54 beneficial compounds discovered in pure maple syrup
• Links between asthma, smoking and nicotine dependence explored in new study
• US earthquake resilience needs strengthening, says new report
• Singing lowers patient's blood pressure prior to surgery, case study reports
• Warm water causes extra-cold winters in northeastern North America and northeastern Asia
• Diabetes veterans may show ways to prevent complications
• Mothers' hard work pays off with big brains for their babies
• Cause of fatal inflammation of the heart muscle identified
• Physicists detect low-level radioactivity from Japan arriving in Seattle
• Updating the Mary Poppins solution with a better bitter blocker
• River water and salty ocean water used to generate electricity
• Antibiotics wrapped in nanofibers turn resistant disease-producing bacteria into ghosts
• MESSENGER sends back first image of Mercury from orbit
• Safer, more effective skin-whitening creams from ancient Chinese herbal medicine
• Next-generation device developed to track world's air quality
• New media and eating habits: Computer has replaced the kitchen table as focal point of meals for college students
• Catching cancer with carbon nanotubes: New device to test blood can spot cancer cells, HIV on the fly
• 'Bacterial dirigibles' emerge as next-generation disease fighters
• Ocean circulation plays important role in transporting heat to Greenland glaciers
• Obese patients have double the risk of airway problems during an anesthetic, study shows
• Waste ash from coal could save billions in repairing US bridges and roads
• America's most distressed areas threatened by emerging infections of poverty
• Measurements of winter Arctic sea ice shows continuing ice loss, study finds
• Thyroid hormone controls the eye‘s visual pigments throughout life
• Study illuminates the 'pain' of social rejection
• Annual sonograms are needed to verify correct IUD position, obstetricians say
• Household bleach can decontaminate food prep surfaces in ricin bioterrorist attack
• Frequency of fat talk associated with increased body dissatisfaction, regardless of waistline
• Like products, plants wait for optimal configuration before market success
• Scientists devise targeted therapy strategy for rare form of childhood cancer
• Heavy metals open path to high temperature nanomagnets
• Bariatric surgery highly cost-effective treatment for type 2 diabetes in the obese, study suggests
• Imaging the paintings under the paintings of the Old Masters
• Poor behavior doesn't always lead to poor academics
• New clinical practice guidelines developed for juvenile idiopathic arthritis

Posted 2011-03-30:

• Deciphering hidden code reveals brain activity
• Exposure to chemicals in environment associated with onset of early menopause
• New cancer drug heads to clinical trials
• New insight into how 'tidying up' enzymes work
• Communicating uncertain climate risks
• Stepchildren relate to stepparents based on perceived benefits, researchers find
• Treadmill tests for poison frogs show toxic species are more physically fit
• Mother's obesity may lead to infertility in the next generation
• Key plant traits yield more sugar for biofuels
• Ambulatory monitoring reveals many patients have 'white coat' hypertension
• Some ingredients in 'green' products come from petroleum rather than natural sources
• Weight loss surgery can significantly improve migraines, study finds
• Satellites detect extensive drought impact on Amazon forests
• New 'nanodrug' breaks down barriers to attack breast cancer cells from the inside out
• Researchers make first perovskite-based superlens for the infrared
• New device uses submarine technology to diagnose stroke quickly
• Chemists' biosensor may improve food, water safety and cancer detection
• Women's body image based more on others' opinions than their own weight
• Wind can keep mountains from growing
• To better detect heart transplant rejections, scientists test for traces of donor's genome
• Next-generation chemical mapping on the nanoscale
• Smoking in combination with immunosuppression poses greater risk for transplant-related carcinoma
• From crankcase to gas tank: New microwave method converts used motor oil into fuel
• Negative attitudes toward fat bodies going global, study finds
• Researchers close in on technology for making renewable petroleum
• Potential new medicines show promise for treating colon cancer, asthma
• Bones conjure Yellowstone's ecological ghosts
• Marijuana use may hurt intellectual skills in multiple sclerosis patients
• GPS study shows wolves more reliant on a cattle diet
• Childhood psychological problems have long-term economic and social impact, study finds
• Evolution: Not only the fittest survive
• First identification of nicotine as main culprit in diabetes complications among smokers
• Speeding up Mother Nature's very own CO₂ mitigation process
• Avoiding health risks could prevent more than half of all cases of atrial fibrillation
• Tiger numbers increase in India
• Digital versus analog control over cortical inhibition in the brain
• Human virus linked to deaths of endangered mountain gorillas; Finding confirms that serious diseases can pass to gorillas from people
• Viral replicase points to potential cancer therapy
• No longer pining for organic molecules to make particles in the air
• Follow-up program helps detect melanoma earlier in high-risk patients
• Even Canadian rocks are different: Sedimentary differences on either side of border date back 120 million years
• Malaria as a complication to landmines and war injuries
• Will we hear the light? Surprising discovery that infrared can activate heart and ear cells
• Predicting serious drug side effects before they occur
• Pioneering treatment could help people with severe depression
• Many elderly men are undergoing unnecessary PSA screenings, researchers find
• First applications of Europe's Galileo satellite nagivation system showcased
• Most U.S. states unclear about storage, use of babies' blood samples, new study finds
• First practical nanogenerator produces electricity with pinch of the fingers

Posted 2011-03-29:

• No two of us are alike -- even identical twins: Pinpointing genetic determinants of schizophrenia
• Acute myeloid leukemia: Researchers find genetic conspirators
• How do plants fight disease? Breakthrough research offers a clue
• Some women worry too much about breast cancer returning, study finds
• Dark side of spring? Pollution in our melting snow
• Chemists play important roles as advisers for science-based television shows, movies
• Scientists trace violent death of Iron Age man
• Cancer risk of backscatter airport scanners is low, analysis suggests
• Twinkle, twinkle, quantum dot: New particles can change colors and tag molecules
• Taking blood pressure to new lows -- with lasting results
• New trash-to-treasure process turns landfill nuisance into plastic
• Deep-sea volcanoes don't just produce lava flows, they also explode
• Possible new target for treatment of multiple sclerosis
• Blocking ship-borne bioinvaders before they dock
• Cancer drug shows promise for treating scleroderma
• Huge potential of nanocrystals to raise efficiency in fuel cells
• Genetic link to attempted suicide identified
• Remarkable fossil sea creature -- 525 million years old -- shows soft parts of body including tentacles
• Scientists link DNA 'end-caps' length to diabetes risk; New role for short telomeres
• How bees learn which odors to follow
• Outcomes improved by longer delays between heart attacks and elective surgeries, study finds
• 'Green' cars could be made from pineapples and bananas
• Babies who sleep with smoker parents exhibit high nicotine levels
• Debut of the first practical 'artificial leaf'
• Researchers tie Parkinson's drugs to impulse control problems
• Large regional changes in farmland area predicted
• When you cough up green or yellow phlegm you need to be prescribed antibiotics, right?
• Taming the flame: Electrical wave 'blaster' could provide new way to extinguish fires
• Why some children are harmed by mother's alcohol, but others aren't
• From cotton candy to rock: New evidence about beginnings of the solar system
• Advanced technology reveals activity of single neurons during seizures
• Walnuts are top nut for heart-healthy antioxidants
• Blood pressure control system found in kidney's structural units
• 'Nano-bricks' may help build better packaging to keep foods fresher longer
• Eye movement differs in British and Chinese populations
• Structure of DNA repair complex reveals workings of powerful cell motor
• People at risk of Alzheimer's may now be able to delay the onset of their first symptoms
• Sea ice holds deep secrets
• New drug approved for treating most common type of lupus
• Can biochar help suppress greenhouse gases?
• Red tape for clinical trial consent can be lethal: Experts
• 'Can you hear me now?' How neurons decide how to transmit information
• When the body attacks itself
• Shallow-water shrimp tolerates deep-sea conditions
• Inadequate diet can lead to anemia in postmenopausal women
• Ecosystem-wide framework for monitoring coral reef fisheries can be used on global scale
• Great Depression did not significantly improve life expectancy in United States, study finds
• When creating a new institute, the devil's in the details, experts argue
• International Diabetes Federation supports surgery to treat diabetes
• Demographics cloud optimism on African-American violent crime decrease

Posted 2011-03-28:

• Black hole found in binary star system: More than five times greater in mass than our Sun
• Stem cell therapy for age-related macular degeneration moves a step closer to reality
• Faster method to study plant ecology
• Do all student athletes need heart screenings?
• Biodiversity and sustainable resource use may co-exist in tropical forests
• Don't shuffle on slippery surfaces
• Smaller particles could make solar panels more efficient
• Asthma drug could help control or treat Alzheimer's disease
• Wealth of orchid varieties is down to busy bees and helpful fungi, says study
• Blood glucose levels that predict 10-year risk of retinopathy identified
• Remarkable diversity of lichen species found in Florida state park
• Micro-RNA's contribute to risk for panic disorder
• Freshwater content of upper Arctic Ocean increased 20 percent since 1990s, large-scale assessment finds
• Eye development error can cause cataracts, glaucoma

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