ScienceDaily Top Science Headlines
for the Week of February 27 to March 6, 2011
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Posted 2011-03-05:
- Has Earth's sixth mass extinction already arrived?
- Jekyll and Hyde: Cells' executioner can also stave off death
- Reviving 100-year-old resting spores of diatoms
- Decline in cerebral palsy diagnoses in premature infants suggests improvements in perinatal care
- Invasive species widespread, but not more than at home range
- Mean girls and queen bees: Females threatened by social exclusion will reject others first
- Mutations found in human induced pluripotent stem cells
- Prostate cancer: Targeted therapy shrank tumors up to 74 percent in cells in mice
- Clean fuel worsens climate impacts for some vehicle engines
- To bring effective therapies to patients quicker, use the team approach
- Simulating breaking waves
- Certain parts of the brain activated in people who heard tailored health messages and quit smoking
Posted 2011-03-05:
- Fossils of horse teeth indicate 'you are what you eat'
- New non-surgical autopsy technique set to revolutionize post-mortem practice
- Observing Arctic ice-edge plankton blooms from space
- Possible new treatment strategies for pancreatic cancer
- Feet first? Old mitochondria might be responsible for neuropathy in the extremities
- Can you predict your mate will cheat by their voice?
- Rising carbon dioxide is causing plants to have fewer pores, releasing less water to the atmosphere
- How long do stem cells live?
- Nanotechnology: New 'frozen smoke' may improve robotic surgery, energy storage
- Some overweight adolescents may be at risk for weak bones
- New system can warn of tsunamis within minutes
- Constant race-based discrimination can lead to 'racial battle fatigue' for African-Americans
- New light-sensing mechanism found in neurons
- Star-shaped brain cells feed long-term memory
- The dusty disc of NGC 247
- Drop in temperature may explain the increase in dry eye suffering
- Worms strike see-saw balance in disease resistance
- Moderate sleep loss impairs vigilance and sustained attention in children with ADHD
- Scientists create cell assembly line: New technology synthesizes cellular structures from simple starting materials
- Neurons with symptoms of Parkinson's disease created from patient's skin cells
- NASA's Glory satellite fails to reach orbit
- Risks of chemical exposure: Scientists call for 'swifter and sounder' testing of chemicals
- Method developed to match police sketch, mug shot: Algorithms and software will match sketches with mugshots in police databases
- Trouble with the latest dance move? GABA might be to blame
- Some Antarctic ice is forming from bottom
- Ibuprofen may reduce risk of developing Parkinson's disease, study suggests
- Sex differences in male and female learning revealed by gibbons
- MRSA danger in gyms may be exaggerated, study suggests
- Ecological adaptation likely to influence impacts of climate change
- Two languages in peaceful coexistence in one society
- New kinds of superconductivity? Physicists demonstrate coveted 'spin-orbit coupling' in atomic gases
- Potential mechanisms for future anti-obesity drugs identified
- Flood-tolerant rice plants can also survive drought
- Obesity may increase risk of triple-negative breast cancer
- Nanofabrication tools may make silicon optical chips more accessible
- Older patients confused about multiple drug dosing
- California islands give up evidence of early seafaring: Numerous artifacts found at late Pleistocene sites on the Channel Islands
- New clue to controlling skin regeneration, as well as skin cancer
- Taking the heat: Silver-diamond composite offers unique capabilities for cooling powerful defense microelectronics
- New findings on drug tolerance in TB suggest ideas for shorter cures
- Ultrasound and algorithms could lead to better breast cancer screening
- Fear of side effects shapes older patients' willingness to take heart medication
Posted 2011-03-04:
- Oldest objects in solar system indicate a turbulent beginning
- Susceptibility factor for bipolar disorder identified
- Easy, accurate way to predict food allergies developed, study suggests
- Cancer patients' partners become ill themselves, Swedish study shows
- Scalable method for making graphene
- Women who miscarry continue to have mental health problems, even after healthy birth
- Liver, not brain, may be origin of Alzheimer’s plaques
- New method allows human embryonic stem cells to avoid immune system rejection
- Solving the puzzle of Henry VIII
- Potassium levels possible key to racial disparity in Type 2 diabetes
- Mapping human vulnerability to climate change
- The more secure you feel, the less you value your stuff
- Human ancestors lived on shaky ground
- New drug regimens cut HIV spread from mother to infant
- New developments in quantum computing
- New findings challenge view of key part of immune defense
- Using artificial, cell-like 'honey pots' to entrap deadly viruses
- Who's the best tennis player of all time? Ranking of top male tennis players produces some surprises
- New observations of the giant planet orbiting beta Pictoris
- How sunlight may reduce the severity of multiple sclerosis
- Turning bacteria into butanol biofuel factories: Transplanted enzyme pathway makes E. coli churn out n-butanol
- Researcher seeks to use electrical stimulation to give voice to stroke patients
- Shrinking tundra, advancing forests: how the Arctic will look by century's end
- Brain's 'autopilot' provides insight into early development of Alzheimer's disease
- Spinal cord injury: Human cells derived from stem cells restore movement in animal models
- New hope for lowering cholesterol
- Four new species of Zombie ant fungi discovered in Brazilian rainforest
- Smoking increases risk of breast cancer in postmenopausal women, study shows
- Solving the riddle of nature’s perfect spring
- Cannabis use precedes the onset of psychotic symptoms in young people, study finds
- Black holes: A model for superconductors?
- Type 2 diabetes linked to single gene mutation in one in ten patients
- Eastern cougar is extinct, U.S. Fish and Wildlife Service concludes
- Six-month drug regimen cuts HIV risk for breastfeeding infants, study finds
- 'A little off the top' helps map cells with submicrometer resolution
- Light-to-moderate alcohol consumption may help stave off dementia, research suggests
- Scientists show how men amp up their X chromosome
- Blood protein in lung cancer could improve diagnosis and treatment
- Clouds amplify ecological light pollution
- Women get short shrift in many heart device studies, despite requirement
- New software 'lowers the stress' on materials problems
- Rich and poor, UK youth are happy after all?
- Arctic blooms occurring earlier: Phytoplankton peak arising 50 days early, with unknown impacts on marine food chain and carbon cycling
- How ovarian cancer resists chemotherapy
- What wasps can tell us about sex
- How much can a cell uptake?
- Diversifying crops may protect yields against a more variable climate
- Freedom to choose leisure activities benefits people with autism
- College students in Texas and Washington surveyed on guns on campus
- New brain training app for research into aging minds
Posted 2011-03-03:
- Florida could be 10 to 15 million years older than previously believed, pollen study shows
- Protein identified that serves as a switch in a key pathway of programmed cell death
- New role found for cancer protein p53
- Two new crustaceans discovered in Iberian Peninsula, Spain
- Parents rationalize the economic cost of children by exaggerating their parental joy
- New kind of optical fiber developed: Made with a core of zinc selenide
- Protein's elusive role in embryo and disease development unravelled
- Combined molecular study techniques reveal more about DNA proteins
- Joint pain in children: Is it just a sore knee, or could it be juvenile idiopathic arthritis?
- Effectiveness of wastewater treatment may be damaged during a severe flu pandemic
- Dude, you throw like a crybaby!
- Solar mystery of missing sunspots explained
- Amyotrophic lateral sclerosis (ALS) could be caused by a retrovirus, study suggests
- Good fungi might prove even better for plant, human health
- Researchers predict age of T cells to improve cancer treatment
- Hair dyeing poised for first major transformation in 150 years
- Facing the Facebook mirror can boost self-esteem
- Bacteria can communicate with each other through nanotubes, researchers discover
- Shift work may be associated with decreased risk of skin cancer
- New 'thermometer' helps scientists accurately measure rock formation
- Nitric oxide does not appear to improve treatment of sickle cell pain-attacks
- Cements that self-repair cracks and store latent heat energy?
- Just like me: Online training helpers more effective when they resemble students
- World's most powerful optical microscope: Microscope could 'solve the cause of viruses'
- New cell therapy a promising atherosclerosis treatment
- Songbird's strategy for changing its tune could inform rehab efforts
- Fluorescent peptides help nerves glow in surgery
- Nanotechnology used to prolong machine and engine life
- Meditation beats dance for harmonizing body and mind
- Scientists unravel the mysterious mechanics of spider silk
- HIV vaccine impacts the genetic makeup of the virus
- Mini or massive? For turtles and tortoises, it all depends on where you live
- Head injury can blight survival up to 13 years later
- Plug-and-play multi-core voltage regulator could lead to 'smarter' smartphones, slimmer laptops and energy-friendly data centers
- Herbal teas may provide health benefits
- New conditions for life on other planets: Tidal effects change 'habitable zone' concept
- Tonsillectomy linked to excess weight gain in kids
- Tanning bed exposure can be deadly when complicated by medication reactions
- Key step in the development of a norovirus treatment
- Scientists synthesize long-sought-after anticancer agent
- Popular psychology theories on self-esteem not backed up by serious research, study finds
- Algae converted to butanol; Fuel can be used in automobiles
- Findings on pollution damage to human airways could yield new therapies
- New technique for improving robot navigation systems
- Biochemists offer first 3-D model of asthma-causing inflammation enzyme
- Pakistan floods last summer could have been predicted, experts say
- Unemployment: A health risk
- Trust, clarity and openness in the workplace
Posted 2011-03-02:
- Analysis of bread mold genomes demonstrates 'reverse-ecology' tool
- More than allergies: Histamine may be a possible drug target for multiple sclerosis
- 'Social-IQ score' for bacteria developed
- Essential fatty acids pill prevents PMS, study suggests
- Florida citrus industry: Mechanical harvesting creates up to 250 percent more debris than hand harvesting, study finds
- Best friends can make a child more physically active
- Happiness improves health and lengthens life, review finds
- Signaling path in brain may prevent that 'I'm full' message
- Technique for measuring methane gas from cattle
- Surgeons predict the future of nanomedicine in practice
- New generation of optical integrated devices for future quantum computers
- Higher job performance linked to people who are more honest and humble
- Rare 89-million-year-old flying reptile fossil from Texas may be world's oldest pteranodon
- New CPR method increases survival rate by 50 percent, study suggests
- New hope for solving Parkinson's disease puzzle
- Large proportion of colorectal cancer deaths could be prevented, study suggests
- Surgical instruments with electronic serial numbers
- Beyond tender loving care: 'TLCs' promise health and happiness
- Sugar-sweetened drinks associated with higher blood pressure
- Vitamin D linked to lung cancer survival, study suggests
- NASA readies for world's largest can crusher test
- Researchers develop curious snapshot of powerful retinal pigment and its partners
- Scientists identify new implications for perennial bioenergy crops
- Inability to shake regrets can have effects on physical health
- Mating mites trapped in amber reveal sex role reversal
- New personalized therapy causes cancer cells to kill themselves
- Boiling bubbles are cool in space
- Compound useful for studying birth defects may also have anti-tumor properties
- One terabit per second data rate on a single integrated photonic chip
- Full bladder, better decisions? Controlling your bladder decreases impulsive choices
- More than 4,000 components of blood chemistry listed
- Neural circuits used in processing basic linguistic phrases identified
- Key to safer remote detection of dangerous materials
- Gene variant affects stroke prognosis in humans
- 'Stupid strategies' could be best for the genes
- Brain imaging provides window into consciousness
- Parts of brain can switch functions: In people born blind, brain regions that usually process vision can tackle language
- Genes associated with binge drinking identified
- New hope for one of the world’s rarest chameleons
- Rituximab and fludarabine produce long-term remissions in some chronic lymphocytic leukemia patients, study suggests
- Increase in microearthquakes in California found after Chilean quake
- The influence of advertising on drug recommendations
- Dry lake reveals evidence of southwestern 'megadroughts'
- Free radicals may be good for you
- Acupressure effective in helping to treat traumatic brain injury, study suggests
- New marker found for Sanfilippo disease
- Smartphones: Overcoming loss of connectivity
- Storytelling program improves lives of people with Alzheimer's
- March Madness: Statisticians quantify entry biases
Posted 2011-03-01:
- Scientists track great hammerhead shark migration
- New pathogen connected to severe early childhood caries identified
- Antioxidants in pecans may contribute to heart health and disease prevention
- Two knee replacements may be better than one, study finds
- Physicists develop potent packing process
- First aid training for children under five years old
- Binge eaters' dopamine levels spike at sight, smell of food
- More evidence that Alzheimer's disease may be inherited from your mother
- Learning from old bones to treat modern back pain
- Close linkage between a rare, deadly lung condition and blood cell abnormalities
- Climate change causing demise of lodgepole pine in western North America
- Lottery winners do not want their winnings to change them
- Stronger than steel, novel metals are as moldable as plastic
- Human stem cells from fat tissue fuse with rat heart cells and beat
- Minimally invasive surgeries: Laser suturing
- Hearing loss rate in older adults climbs to more than 60 percent in national survey
- Stretched rubber offers simpler method for assembling nanowires
- Being 'mindful' can neutralize fears of death and dying
- Willingness to listen to music is biological, study of gene variants suggests
- Drug to fight tumors also fights the flu and possibly other viruses
- Scientists generate pluripotent stem cells from horses
- Breast cancer incidence rates no longer declining in US women
- This microbe's for you: Brewery waste becomes scientific fodder for producing liquid biofuels
- Napping may help with blood pressure management
- Migrating sea turtles have magnetic sense for longitude
- Immune molecule regulates brain connections
- Drier conditions projected to accelerate dust storms in the southwest
- Given prior to loud noise, two drugs protect hearing better than one
- Powerful microscope reveals chemical structure of fossils
- Advanced degrees add up to lower blood pressure
- Subtle shifts, not major sweeps, drove human evolution
- Nanomedicine: Gene fuelled transporter causes breast cancer cells to self-destruct
- Collisions of protein machines cause DNA replication derailment
- Potential treatment for Chikungunya discovered
- Mystery about recognition of unfolded proteins solved: The lock shapes the key
- Most medical devices recalled because of serious risks did not undergo clinical trials
- Brain's 'reward' center also responds to bad experiences
- Why chemotherapy causes more infertility in women than in men
- Shining a light on trypanosome reproduction
- Ultrasound fusion imaging provides comparable accuracy for bone, soft tissue tumors
- Running on a faster track: Researchers develop scheduling tool to save time on public transport
- Stress and tension do not stop fertility treatment from working, study finds
- Markedly higher vitamin D intake needed to reduce cancer risk, researchers say
- Novel methods for improved breast cancer survival
- Meningitis: Neisseria meningitidis disseminates itself by sending out 'scouts'
- Hip, thigh implants can raise bone fracture risk in children
- Turning forests into fuel: Promise and limits of biomass energy in Northeastern U.S.
- Strong link found between victimization, substance abuse
- Space Shuttle Discovery's payloads for the STS-133 mission
- Neighborhood barbers can influence black men to seek blood-pressure treatment
- The deterioration of Mediterranean farmland patrimony
Posted 2011-02-28:
- Asymmetric supernovae: Not all stellar explosions expand spherically
- PCBs may affect in vitro fertilization outcomes
- ‘Round-the-clock’ lifestyle could disrupt metabolism, brain and behavior
- Home urine test measures insulin production in diabetes
- Bisphenol A exposures lower in Canadians compared to Americans
- Using math to navigate the Beatles 'Strawberry Fields Forever'
- Scientists find gene responsible for color patterns in mice
- Discovery of killer cells has potential for targeted cancer therapies
- Arctic environment during an ancient bout of natural global warming
- Heparin a key role player in allergy and inflammatory reactions
- Reducing one's 'nitrogen footprint': New Web-based tool helps people make sustainable living choices
- High-quality care associated with lower cost in trauma
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