Less sleep associated with brain imaging findings of Alzheimer disease in elderly Getting less sleep and poor sleep quality are associated with abnormal brain imaging findings suggesting Alzheimer disease (AD) in older adults, according to a report published ...

Risk of Amazon rainforest dieback is higher than IPCC projects A new study suggests the southern portion of the Amazon rainforest is at a much higher risk of dieback due to stronger seasonal drying than projections made by the climate models used in the ...

Stanford researchers demonstrate efficient method for converting fat cells to liver cells STANFORD, Calif. — In a feat of modern-day alchemy with huge potential for regenerative medicine, Stanford University School of Medicine scientists have developed ...

A natural boost for MRI scans Magnetic resonance imaging (MRI) is a technique widely used in medicine to create images of internal organs such as the heart, the lungs, the liver and even the brain. Since its invention in 1977, MRI has become ...

New drug reduces negative memory Through analysis of the human genome, Basle scientists have identified molecules and compounds that are related to human memory. In a subsequent pharmacological study with one of the identified compounds, the scientists found a drug-induced ...

Grazers and pollinators shape plant evolution It has long been known that the characteristics of many plants with wide ranges can vary geographically, depending on differences in climate. But changes in grazing pressure and pollination can also affect the genetic ...

Nano-cone textures generate extremely 'robust' water-repellent surfaces Surfaces with differently shaped nanoscale textures may yield improved materials for applications in transportation, energy, and diagnostics UPTON, NY-When it comes to designing ...

Health news stories on local television news broadcasts are too short, MU researcher says COLUMBIA, Mo. ¬— Previous research has shown that the most popular way Americans get their health news is by watching local television broadcasts. Now, researchers ...

NASA satellites investigate Typhoon Francisco heading for Japan Several of NASA's fleet of Earth-observing satellites have been gathering data on Typhoon Francisco as it moves toward Japan. NASA's Aqua, Terra and TRMM satellites captured infrared, visible and rainfall ...

Shorter sleep duration and poorer sleep quality linked to Alzheimer's disease biomarker Poor sleep quality may impact Alzheimer's disease onset and progression. This is according to a new study led by researchers at the Johns ...

NASA sees major Hurricane Raymond lashing western Mexico Low pressure System 96E developed quickly over the weekend of Oct. 19 and 20 and by Oct. 21 had grown into Hurricane Raymond. Before Raymond exploded into a major hurricane NASA's Terra satellite flew overhead ...

Tropical Storm Lekima born in northwestern Pacific Ocean The twenty-eighth tropical depression of the Northwestern Pacific Ocean tropical cyclone season developed and strengthened into Tropical Storm Lekima. On Oct. 21 at 1500 UTC/11 a.m. EDT, Tropical Storm ...

Poorly camouflaged insects can kick off a cascade of ecological impacts, new CU-Boulder study finds A California walking stick insect that has evolved to produce individuals with two distinct appearances—an all-green form that camouflages well with broader ...

Weatherizing homes to uniform standard can achieve $33 billion in annual energy savings Berkeley Lab energy efficiency experts also calculate energy cost of upgrading ventilation With winter around the corner some homeowners may be thinking about plugging ...

Economic assessment of mountain pine beetle timber salvage Forest Service study finds that increased timber salvage of trees killed by mountain pine beetle would benefit some areas in the West but not others A recently published ...

Parental perceptions are preventing HPV vaccination success ROCHESTER, Minn. -- A Mayo Clinic physician and two other pediatric experts say that parental perceptions pose a major barrier to acceptance of human papillomavirus (HPV) vaccination — and that many of those perceptions ...

Study examines endoscopic ultrasound-guided drainage of pancreatic pseudocysts DOWNERS GROVE, Ill. – October 21, 2013 – Researchers report that in patients with pseudocysts with viscous debris-laden fluid, endoscopic ultrasound-guided drainage ...

Intervention helps older adults prepare for emergencies Program helps at-risk seniors in rural communities plan ahead COLUMBIA, Mo. – According to the Centers for Disease Control and Prevention, one in three adults age 65 and older falls at least once ...

UCSB anthropologist studies the evolutionary benefit of human personality traits (Santa Barbara, Calif.) –– Bold and outgoing or shy and retiring –– while many people can shift from one to the other as circumstances warrant, in general ...

New report focuses on interface of digital humanitarian groups and government Looks at best ways to take advantage of new sources of information to improve disaster response A new report ...

Contact lens discomfort: What is it, why does it occur and how can it be treated? Workshop report offers framework for getting answers BOSTON, MA, October 21, 2013 – Contact lens discomfort (CLD) may be the leading cause of patient ...

Small changes in ag practices could reduce produce-borne illness Researchers from Cornell University have identified some agricultural management practices in the field that can either boost or reduce the risk of contamination in produce from two major foodborne ...

A chameleon in the physics lab Looking cooler when heated, a thin coating tricks infrared cameras Cambridge, Mass. – October 21, 2013 – Active camouflage has taken a step forward at the Harvard School of Engineering and Applied Sciences (SEAS), with a new coating ...

Low vitamin D levels raise anemia risk in children, Hopkins-led study shows Low levels of the "sunshine" vitamin D appear to increase a child's risk of anemia, according to new research led by investigators at the Johns Hopkins Children's Center. The study, ...

Atomically thin device promises new class of electronics Tunable electrical behavior not previously realized in conventional devices As electronics approach the atomic scale, researchers are increasingly successful at developing atomically thin, virtually two-dimensional ...