Today's Science News
Tuesday, January 27, 2015
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from universities, journals, and other organizations
The Origin of Life: Labyrinths as Crucibles of Life
Jan. 27, 2015 — Water-filled micropores in hot rock may have acted as the nurseries in which life on Earth began. A team has now shown that temperature gradients in pore systems promote the cyclical replication and ... full story
Asteroid That Flew Past Earth Has Moon
Jan. 27, 2015 — Scientists working with NASA's 230-foot-wide (70-meter) Deep Space Network antenna at Goldstone, California, have released the first radar images of asteroid 2004 BL86. The images show the ... full story
Easter Island Mystery: Why Did the Native Culture Die Out?
Jan. 27, 2015 — Long before the Europeans arrived on Easter Island in 1722, the native Polynesian culture known as Rapa Nui showed signs of demographic decline. However, the catalyst has long been debated in the ... full story
The World's Oldest Known Snake Fossils: Rolling Back the Clock by Nearly 70 Million Years
Jan. 27, 2015 — Fossilized remains of four ancient snakes have been dated between 140 and 167 million years old -- nearly 70 million years older than the previous record of ancient snake fossils -- and are changing ... full story
Ancient Star System Reveals Earth-Sized Planets Forming Near Start of Universe
Jan. 27, 2015 — A Sun-like star with orbiting planets, dating back to the dawn of the Galaxy, has been discovered by an international team of astronomers. At 11.2 billion years old, it is the oldest star with ... full story
Brain Region Vulnerable to Aging Is Larger in Those With Longevity Gene Variant
Jan. 27, 2015 — People who carry a variant of a gene that is associated with longevity also have larger volumes in a front part of the brain involved in planning and decision-making, according to ... full story
NASA's Dawn Spacecraft Captures Best-Ever View of Dwarf Planet Ceres
Jan. 27, 2015 — NASA's Dawn spacecraft has returned the sharpest images ever seen of the dwarf planet Ceres. The images were taken 147,000 miles (237,000 kilometers) from Ceres on Jan. 25, and represent a new ... full story
Stomach Acid-Powered Micromotors Get Their First Test in a Living Animal
Jan. 27, 2015 — Researchers have shown that a micromotor fueled by stomach acid can take a bubble-powered ride inside a mouse. These tiny motors, each about one-fifth the width of a human hair, may someday offer a ... full story
Using Stem Cells to Grow New Hair
Jan. 27, 2015 — Researchers have used human pluripotent stem cells to generate new hair. The study represents the first step toward the development of a cell-based treatment for people with hair loss. In the United ... full story
Girls Lead Boys in Academic Achievement Globally
Jan. 26, 2015 — Considerable attention has been paid to how boys' educational achievements in science and math compare to girls' accomplishments in those areas, often leading to the assumption that boys ... full story
Got Bees? Got Vitamin A? Got Malaria? Loss of Pollinators Increases Risk of Malnutrition, Disease
Jan. 26, 2015 — More than half the people in some developing countries could become newly at risk for malnutrition if crop-pollinating animals -- like bees -- continue to decline, experts say. Despite popular ... full story
3-D View of Greenland Ice Sheet Opens Window on Ice History
Jan. 23, 2015 — Scientists using ice-penetrating radar have created 3-D maps of the age of the ice within the Greenland Ice Sheet. The new maps will aid future research to understand the impact of climate change on ... full story
How Malaria-Spreading Mosquitoes Can Tell You're Home
Jan. 22, 2015 — Females of the malaria-spreading mosquito tend to obtain their blood meals within human dwellings. But is human odor enough as a reliable cue for the mosquitoes in finding humans to bite? Not quite, ... full story
Family Voices, Stories Speed Coma Recovery
Jan. 22, 2015 — 'Can he hear me?' Family members are desperate to know when a loved one with a traumatic brain injury is in a coma. A new study shows the recorded voices of loved ones telling the patient ... full story
On the Ups and Downs of the Seemingly Idle Brain
Jan. 20, 2015 — Even when it seems not to be doing much, the brain maintains a baseline of activity in the form of up and down states of bustle and quiet. To accomplish this seemingly simple cycle, it maintains a ... full story
- Origin of Life: Labyrinths as Crucibles of Life
- Asteroid That Flew Past Earth Has Moon
- Easter Island: What Doomed Native Culture?
- World's Oldest Known Snake Fossils Dated
- Ancient Star With Five Earth-Size Planets
- Brain Region Vulnerable to Aging: Gene Variant
- Best-Ever View of Dwarf Planet Ceres Captured
- Stomach Acid-Powered Micromotors in Live Mouse
- Using Stem Cells to Grow New Hair
- Academic Achievement: Girls Lead Boys Globally
- Got Bees? Got Vitamin A? Got Malaria?
- 3-D View of Greenland Ice Sheet Opens Window
- Malaria: How Mosquitoes Can Tell You're Home
- Family Voices, Stories Speed Coma Recovery
- Ups and Downs of the Seemingly Idle Brain
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last updated on 2015-01-27 at 11:38 pm EST
Sugary Drinks Linked to Earlier Onset of Menstrual Periods
Jan. 27, 2015 — Girls who frequently consume sugary drinks tend to start their menstrual periods earlier than girls who do not, according to new research. The findings are important not only because of the growing ... full story
Infant Failure to Thrive Linked to Lysosome Dysfunction
Jan. 27, 2015 — Neonatal intestinal disorders that prevent infants from getting the nutrients they need may be caused by defects in the lysosomal system -- or cell recycling center -- that occur before weaning. ... full story
That's Using Your Head: Brain Regulates Fat Metabolism, Potentially Stopping Disease
Jan. 27, 2015 — Atherosclerosis -- hardening and narrowing of the arteries -- can be caused by fat build up that causes plaque deposits, and is one of the main causes of cardiovascular disease. Now a researcher has ... full story
Targeted MRI/ultrasound Beats Standard Biopsy to Detect High-Risk Prostate Cancer
Jan. 27, 2015 — Targeted biopsy using new fusion technology that combines magnetic resonance imaging (MRI) with ultrasound is more effective than standard biopsy in detecting high-risk prostate cancer, according to ... full story
Inherited Gene Variation Helps Explain Drug Toxicity in Patients of East Asian Ancestry
Jan. 27, 2015 — About 10 percent of young leukemia patients of East Asian ancestry inherit a gene variation that is associated with reduced tolerance of a drug that is indispensable for curing acute lymphoblastic ... full story
Unlocking the Kidney Riddle in Newborns
Jan. 27, 2015 — Researchers are closer to understanding why babies born with smaller kidneys have a high risk of developing cardiovascular disease. Currently, renal disorders at birth affect about one in 500 babies. ... full story
Negative Patient-Doctor Communication Could Worsen Symptoms
Jan. 27, 2015 — A type of 'nocebo' response -- where patients perceive a lack of understanding or acceptance from their doctor -- could create anger and distress, physiological conditions that could worsen illness, ... full story
Salivary Biomarkers Predict Oral Feeding Readiness in Preterm Newborns
Jan. 27, 2015 — Results from a new study hold the potential to substantially improve clinical decision-making to determine when a premature newborn is ready for oral feeding. The study describes developmental ... full story
Neuroscience Researchers Believe in Quitting Smoking Gradually
Jan. 27, 2015 — The immediate reaction in the brain after quitting smoking has been the focus of a recent study. At just 12 hours after kicking the habit, the oxygen uptake and blood flow in the brain decrease ... full story
Smoking May Increase Risks for Patients Being Treated for Prostate Cancer
Jan. 27, 2015 — Among patients with prostate cancer, those who smoke have increased risks of experiencing side effects from treatment and of developing future cancer recurrences, or even dying from prostate ... full story
- Sugary Drinks: Early Menstrual Period Onset
- Lysosome Dysfunction Linked to Failure to Thrive
- That's Using Your Head: Fat Metabolism Regulation
- Detecting High-Risk Prostate Cancer With MRI
- Gene Variation: Drug Toxicity in Asian Patients?
- Unlocking the Kidney Riddle in Newborns
- Can Bad Communication Worsen Patient's Symptoms?
- Preemies Ready for Oral Feeding: Biomarkers
- Is Quitting Smoking Gradually the Best Way?
- Prostate Cancer Treatment: Smoking Ups Risks?
Psychopathic Violent Offenders’ Brains Can’t Understand Punishment
Jan. 27, 2015 — Psychopathic violent offenders have abnormalities in the parts of the brain related to learning from punishment, according to an MRI ... full story
How Creative Are You? Depends Where You're from
Jan. 27, 2015 — With the 'creative class' on the rise, many businesses are trying to capitalize on imagination and innovation. But when it comes to creative juices, some societies have a faster flow than others. ... full story
Things Smell Good for a Reason
Jan. 27, 2015 — Antioxidants are natural food ingredients that protect cells from harmful influences. Their main task is to neutralize so-called 'free radicals' which are produced in the process of oxidation and ... full story
Researchers Find Hormone That Increases the Sex Drive of Mice
Jan. 27, 2015 — Mice that receive a supplement of the 'appetite hormone' ghrelin increase their sexual activity, scientists have found. Whether the hormone has the same impact on humans is unknown -- but if it does, ... full story
Researchers Find Potential Anti-Cancer Use for Anti-Epilepsy Drug
Jan. 27, 2015 — A drug used widely to combat epilepsy has the potential to reduce the growth and spread of breast cancer, scientists have discovered. The team found that "repurposing" antiepileptic drugs, such as ... full story
Age Concern in Largest Ever Study of Heroin User Deaths
Jan. 27, 2015 — Older users of opioids such as heroin are 27 times more likely to become a victim of homicide than the general population, a study of almost 200,000 users has found. The study is the first to record ... full story
Decisions on Future Childbearing in Women Diagnosed With a Meningioma
Jan. 27, 2015 — 43% of surveyed female meningioma survivors aged 25–44 yrs stated they were warned that pregnancy was a risk factor for meningioma recurrence. Nevertheless, these women were more likely to want a ... full story
MRIs Link Impaired Brain Activity to Inability to Regulate Emotions in Autism
Jan. 27, 2015 — When it comes to the ability to regulate emotions, brain activity in autistic people is significantly different than brain activity in people without autism. Researchers showed that symptoms ... full story
Drug Candidates Can Block Pathway Associated With Cell Death in Parkinson's Disease
Jan. 27, 2015 — Two drug candidates can target biological pathways involved in the destruction of brain cells in Parkinson's disease, scientists have reported. The studies suggest that it is possible to design ... full story
Ads Effective Even in the Midst of Multitasking, Studies Find
Jan. 26, 2015 — Those video ads playing in the corner of your computer screen, in the midst of multitasking, may have more impact than you realize. They may be as effective as ads you're really watching, says one ... full story
- Psychopath's Brains Don't Understand Punishment
- How Creative Are You? Depends Where You're from
- Things Smell Good for a Reason
- Hormone That Increases Sex Drive of Mice Found
- Potential Anti-Cancer Use for Anti-Epilepsy Drug
- Age Concern in Large Study of Heroin User Deaths
- Meningioma and the Decision to Have Children
- Autism: Brain Activity, Emotion Regulation Linked
- Parkinson's: Blocking Pathway Tied to Cell Death
- Ads Effective Even While Multitasking
Students Master Math Through Movement Using Kinect for Windows
Jan. 26, 2015 — Significant gains in the understanding of angles and angle measurements by elementary school students are seen in those who performed body-based tasks while interacting with a Kinect for Windows ... full story
Higher Dementia Risk Linked to More Use of Common Drugs
Jan. 26, 2015 — A large study links a significantly increased risk for developing dementia, including Alzheimer's disease, to taking commonly used medications with anticholinergic effects at higher doses or for a ... full story
Nocturnal Leg Cramps More Common in Summer
Jan. 26, 2015 — Painful nocturnal leg cramps are about twice as common during summer than in winter, found a new study. Because quinine is commonly prescribed to treat leg cramps, researchers looked at the number of ... full story
Brain Study Sheds Light on How Children With Autism Process Social Play
Jan. 26, 2015 — Brain scans confirm significant differences in play behavior, brain activation patterns and stress levels in children with autism spectrum disorder as compared with typically developing children, new ... full story
Partly Wrong With a Chance of Being Right: Weather Forecast
Jan. 26, 2015 — The inaccuracy of weather forecasts has personal implications for people around the world. New research from Tel Aviv University prioritizes, for the first time, the reasons for forecasting failures ... full story
In Infants, Pain from Vaccinations Shows Up in Brain Activity
Jan. 26, 2015 — Infants show distinct, consistent patterns of brain activity in response to painful vaccinations, new research ... full story
Mindfulness-Based Program in Schools Making a Positive Impact, Study Shows
Jan. 26, 2015 — A social and emotional learning program started by Academy Award winning actress Goldie Hawn to help school children improve their learning abilities, be more caring, and less stressed is now backed ... full story
Mother's Stress Hormone Levels May Affect Fetal Growth and Long Term Health of Child
Jan. 26, 2015 — Increased levels of stress hormones can lead pregnant mice to overeat, but affect growth of the fetus and, potentially, the long term health of the offspring, according to a new ... full story
Stress During Pregnancy Related to Infant Gut Microbiota
Jan. 26, 2015 — Women who experience stress during pregnancy are likely to have babies with a poor mix of intestinal microbiota and with a higher incidence of intestinal problems and allergic reactions. This could ... full story
Fatherly Involvement With Teenage Girls May Lead to Safer Sexual Protection in College
Jan. 26, 2015 — Perhaps father does know best. Female college students who said their fathers were involved in their lives as teens reported engaging in less sex and using contraception more when they do have ... full story
- Kinect: Students Master Math Through Movement
- Use of Common Drugs Tied to Higher Dementia Risk
- Nocturnal Leg Cramps More Common in Summer
- How Children With Autism Process Social Play
- Why Are Weather Forecasts So Inaccurate?
- In Infants, Pain from Shots Seen in Brain ...
- Mindfulness-Based Program in Schools a Positive
- Mother's Stress May Affect Long Term Health ...
- Stress During Pregnancy and Infant Gut Microbiota
- Helping Teen Girls With Safer Sexual Protection
Spider Electro-Combs Its Sticky Nano-Filaments
Jan. 27, 2015 — A spider commonly found in garden centers in Britain is giving fresh insights into how to spin incredibly long and strong fibers just a few nanometers thick. The majority of spiders spin silk threads ... full story
Researchers Tune Friction in Ionic Solids at the Nanoscale
Jan. 27, 2015 — New experiments have uncovered a way of controlling friction on ionic surfaces at the nanoscale using electrical stimulation and ambient water ... full story
New Mechanism Unlocked for Evolution of Green Fluorescent Protein
Jan. 27, 2015 — A primary challenge in the biosciences is to understand the way major evolutionary changes in nature are accomplished. Sometimes the route turns out to be very simple. An example of such simplicity ... full story
New Pathway to Valleytronics: Femtosecond Laser Used to Manipulate Valley Excitons
Jan. 27, 2015 — Researchers have uncovered a promising new pathway to valleytronics, a potential quantum computing technology in which information is coded based on the wavelike motion of electrons moving through ... full story
The Laser Pulse That Gets Shorter All by Itself
Jan. 27, 2015 — A new method of creating ultra short laser pulses has been created: Just by sending a pulse through a cleverly designed fiber, it can be compressed by a factor of ... full story
Carbon Nanoballs Can Greatly Contribute to Sustainable Energy Supply
Jan. 27, 2015 — Researchers have discovered that the insulation plastic used in high-voltage cables can withstand a 26 per cent higher voltage if nanometer-sized carbon balls are added. This could result in enormous ... full story
'Bulletproof' Battery: Kevlar Membrane for Safer, Thinner Lithium Rechargeables
Jan. 27, 2015 — New battery technology should be able to prevent the kind of fires that grounded Boeing 787 Dreamliners in 2013. The innovation is an advanced barrier between the electrodes in a lithium-ion ... full story
Making a Tiny Rainbow: 300 Colors About as Wide as a Human Hair
Jan. 27, 2015 — By varying the size and spacing of aluminum nanodisks, researchers generate images that contain over 300 colors and are not much wider than a human ... full story
Pilotless Aircraft Will Play Critical Roles in Precision Agriculture
Jan. 26, 2015 — A new article outlines many of the potential roles drones can play in university research, and the advantages they can offer in speed, cost and data ... full story
Researchers Use Oxides to Flip Graphene Conductivity
Jan. 26, 2015 — A team of researchers has demonstrated a new way to change the amount of electrons that reside in a given region within a piece of graphene, they have a proof-of-principle in making the fundamental ... full story
- Spider Electro-Combs Its Sticky Nano-Filaments
- Friction Tuned in Ionic Solids at the Nanoscale
- Evolution of Green Fluorescent Protein: New Info
- Quantum Computing: New Path to Valleytronics
- The Laser Pulse That Gets Shorter All by Itself
- Carbon Nanoballs and Sustainable Energy Supply
- 'Bulletproof' Battery: Safer, Thinner ...
- Making a Tiny Rainbow
- Drones for Precision Agriculture
- Graphene Conductivity Flips With Oxides
'Yellowballs' Are Part of the Development of Massive Star
Jan. 27, 2015 — Citizen scientists wanted to know: What are the yellow objects on these infrared images from the Spitzer Space Telescope? Astronomers now report that the "yellowballs" are part of the development of ... full story
Bubbles from the Galactic Center: A Key to Understanding Dark Matter and Our Galaxy's Past?
Jan. 27, 2015 — The astrophysicists who discovered two enormous radiation bubbles in the center of our galaxy discuss what they may tell us about the Milky Way and how they could help in the search for dark ... full story
Gigantic Ring System Around J1407b Much Larger, Heavier Than Saturn's
Jan. 26, 2015 — Astronomers have discovered that the ring system that they see eclipse the very young Sun-like star J1407 is of enormous proportions, much larger and heavier than the ring system of ... full story
Swarm of Microprobes to Head for Jupiter
Jan. 26, 2015 — A swarm of tiny probes each with a different sensor could be fired into the clouds of Jupiter and grab data as they fall before burning up in the gas giant planet's atmosphere. The probes would last ... full story
Helicopter Could Be 'Scout' for Mars Rovers
Jan. 26, 2015 — Getting around on Mars is tricky business. Each NASA rover has delivered a wealth of information about the history and composition of the Red Planet, but a rover's vision is limited by the view of ... full story
Alamo Impact Crater: New Study Could Double Its Size
Jan. 23, 2015 — Carbonate rock deposits found within the mountain ranges of south-central Nevada, USA, record evidence of a catastrophic impact event known as the Alamo impact. This event occurred roughly 382 ... full story
Yes, Black Holes Exist in Gravitational Theories With Unbounded Speeds of Propagation
Jan. 23, 2015 — Gravitational theories with broken Lorentz invariance have attracted a great deal of interest as they provide a test-bed of LI and offer a mechanism to improve their ultraviolet behavior, so that the ... full story
H.E.S.S. Finds Three Extremely Luminous Gamma-Ray Sources
Jan. 23, 2015 — The High Energy Stereoscopic System telescopes have again demonstrated their excellent capabilities in searching for high-energy gamma ... full story
Rosetta Data Reveals More Surprises About Comet 67P
Jan. 22, 2015 — As the Rosetta spacecraft orbits comet 67P/Churyumov-Gerasimenko, an international team of scientists have discovered that the comet's atmosphere, or coma, is much less homogenous than expected and ... full story
Rosetta Data Give Closest-Ever Look at a Comet
Jan. 22, 2015 — On Nov. 12, 2014, the Rosetta mission's Philae lander touched down on the surface of comet 67P/Churyumov-Gerasimenko. While this achievement gained lots of headlines, it was only the beginning for ... full story
- Astronomers Answer 'What Are Yellowballs?'
- Bubbles from the Galactic Center
- Gigantic Ring System Much Bigger Than Saturn's
- Swarm of Microprobes to Head for Jupiter
- Helicopter Could Be 'Scout' for Mars Rovers
- Alamo Impact Crater: New Study Could Double Size
- Black Holes: Unbounded Speeds of Propagation
- Extremely Luminous Gamma-Ray Sources Found
- More Surprises About Comet 67P
- Rosetta Data Give Closest-Ever Look at a Comet
New Search Engine Lets Users Look for Relevant Results Faster
Jan. 27, 2015 — Researchers have developed a new search engine that outperforms current ones, and helps people to do searches more ... full story
Bad Weather Warnings Most Effective If Probability Included, New Research Suggests
Jan. 27, 2015 — Risk researchers find that the public may respond best to severe weather warnings if they include a probability estimate, an important finding not only for the present but also for the longer-term ... full story
Electronic Circuits With Reconfigurable Pathways Closer to Reality
Jan. 26, 2015 — Multitasking circuits capable of reconfiguring themselves in real time and switching functions as the need arises -- this is the promising application stemming from a new discovery. Other potential ... full story
Largest-Ever Autism Genome Study Finds Most Siblings Have Different Autism-Risk Genes
Jan. 26, 2015 — The largest-ever autism genome study reveals that the disorder's genetic underpinnings are more complex than previously thought: Most siblings who have autism have different autism-linked genes. The ... full story
Researchers Identify Materials to Improve Biofuel, Petroleum Processing
Jan. 26, 2015 — Using one of the largest supercomputers in the world, a team of researchers has identified potential materials that could improve the production of ethanol and petroleum products. The discovery could ... full story
Researchers Make Magnetic Graphene
Jan. 26, 2015 — Graphene has many desirable properties. Magnetism alas is not one of them. Magnetism can be induced in graphene by doping it with magnetic impurities, but this tends to disrupt graphene's electronic ... full story
Chemists Control Structure to Unlock Magnetization and Polarization Simultaneously
Jan. 26, 2015 — Scientists have controlled the structure of a material to simultaneously generate both magnetization and electrical polarization, an advance which has potential applications in information storage ... full story
How Cancer Turns Good Cells to the Dark Side
Jan. 26, 2015 — Biophysicists reveal how cancer uses notch-signaling pathways to promote metastasis. Their computer models provide a fresh theoretical framework for scientists who study ways to target cancer ... full story
Entanglement on a Chip: Breakthrough Promises Secure Communications and Faster Computers
Jan. 26, 2015 — A team of scientists has developed, for the first time, a microscopic component that is small enough to fit onto a standard silicon chip that can generate a continuous supply of entangled ... full story
Medical Radiation May Be Reduced to One-Sixth With New Mathematical Discovery
Jan. 26, 2015 — One of this century's most significant mathematical discoveries may reduce the number of measuring points to one-sixth of the present level. This means reduced exposure to radiation and faster ... full story
- New Highly Efficient Search Engine Developed
- Bad Weather Warnings Best If Probability Included
- Multitasking Circuits To Reconfigure Themselves
- Most Siblings Have Different Autism-Risk Genes
- Materials Improve Biofuel, Petroleum Processing
- Researchers Make Magnetic Graphene
- Unlocking Magnetization and Polarization Together
- How Cancer Turns Good Cells to the Dark Side
- Faster Computers: Entanglement On a Chip
- Medical Radiation May Be Reduced to One-Sixth
Dog Disease in Lions Spread by Multiple Species
Jan. 27, 2015 — Canine distemper, a viral disease that's been infecting the famed lions of Tanzania's Serengeti National Park, appears to be spread by multiple animal species, according to a study published by a ... full story
Carbon Accumulation by Southeastern U.S. Forests May Slow
Jan. 27, 2015 — Carbon accumulation levels in the Southeastern US may be slowing due to forest dynamics and land use changes, according to findings of a new study. The research is the first to isolate the impacts of ... full story
Respiratory Chain: Protein Complex Structure Revealed
Jan. 27, 2015 — Mitochondria produce ATP, the energy currency of the body. The driver for this process is an electrochemical membrane potential, which is created by a series of proton pumps. These complex, ... full story
How Do Small Birds Survive Cold Winters?
Jan. 27, 2015 — Norway's small birds face many challenges during the winter, including short days and long energy-intensive nights, tough weather conditions and food shortages, along with the risk of becoming a meal ... full story
Relationship Critical for How Cells Ingest Matter
Jan. 26, 2015 — To survive and fulfill their biological functions, cells need to take in material from their environment. In this process, proteins within the cell pull inward on its membrane, forming a pit that ... full story
Beating the Clock: Researchers Develop New Treatment for Rabies
Jan. 26, 2015 — Successfully treating rabies can be a race against the clock. Those who suffer a bite from a rabid animal have a brief window of time to seek medical help before the virus takes root in the central ... full story
Researchers Image, Measure Tubulin Transport in Cilia
Jan. 26, 2015 — The mechanism behind tubulin transport and its assembly into cilia have been observed in a new study, including the first video imagery of the process. "Cilia are found throughout the body, so ... full story
Shell Growth Observed Thanks to 'Ion Sponge'
Jan. 26, 2015 — Researchers are able to observe the formation of shells in real time on a nanometer scale thanks to a new electron microscopy technique. This enabled them for the first time to see how pieces of ... full story
How Tropical Parasite Hijacks Cells
Jan. 26, 2015 — Scientists have pinned down how a dangerous tropical parasite which is transmitted by ticks manages to turn healthy cells into cancer-like invasive cells, according to research. Microscopic Theileria ... full story
New Mechanism to Aid Cells Under Stress Identified
Jan. 26, 2015 — New details in a cellular mechanism that serves as a defense against stress have been identified by a team of biologists. The findings potentially offer insights into tumor progression and ... full story
- Dog Disease in Lions Spread by Multiple Species
- Carbon Accumulation by U.S. Forests May Slow
- Respiratory Chain: Protein Complex Structure ID'd
- How Do Small Birds Survive Cold Winters?
- Relationship Critical for How Cells Ingest Matter
- Beating the Clock: New Treatment for Rabies
- Tubulin Transport in Cilia Imaged, Measured
- Shell Growth Observed Thanks to 'Ion Sponge'
- How Tropical Parasite Hijacks Cells
- New Mechanism to Aid Cells Under Stress ID'd
Early Mesoamericans Affected by Climate Change
Jan. 27, 2015 — Scientists have reconstructed the past climate for the region around Cantona, a large fortified city in highland Mexico, and found the population drastically declined in the past, at least in part ... full story
Winters in Siberian Permafrost Regions Have Warmed Since Millenia
Jan. 26, 2015 — For the first time, researchers have successfully decoded climate data from old permafrost ground ice and reconstructed the development of winter temperatures in Russia's Lena River Delta. Their ... full story
Global Warming Doubles Risk of Extreme La Niña Event, Research Shows
Jan. 26, 2015 — The risk of extreme La Niña events in the Pacific Ocean could double due to global warming, new research has shown. El Niño and La Niña events are opposite phases of the natural climate ... full story
Climate Models Disagree on Why Temperature 'Wiggles' Occur
Jan. 26, 2015 — Most climate models likely underestimate the degree of decade-to-decade variability occurring in mean surface temperatures as Earth's atmosphere warms. They also provide inconsistent explanations of ... full story
Converting Olive Mash Into Cash
Jan. 26, 2015 — An experimental system to create heat and power with waste from olive oil processing is up-and-running in Spain. The system shows a promising way forward for reducing environmental damage and ... full story
Lead Negatively Impacts Cognitive Functions of Boys More Than Girls
Jan. 23, 2015 — The female hormones estrogen and estradiol may help ward off the effects of lead exposure for young girls, explaining why boys, are shown to suffer more often from the cognitive disabilities linked ... full story
Calculating the Future of Solar-Fuel Refineries
Jan. 23, 2015 — A team of engineers has developed a new tool to help engineers better gauge the overall yield, efficiency and costs associated with scaling solar-fuel production processes up into large-scale ... full story
New Technique Helps Probe Performance of Organic Solar Cell Materials
Jan. 23, 2015 — Researchers have developed a technique for determining the role that a material's structure has on the efficiency of organic solar cells, which are candidates for low-cost, next generation solar ... full story
New Technique for Producing Cheaper Solar Energy Suggested by Research
Jan. 23, 2015 — Pioneering new research could pave the way for solar energy to be converted into household electricity more cheaply than ever before. The global PV market has experienced rapid growth in recent years ... full story
Climate Affects Development of Human Speech
Jan. 23, 2015 — A correlation between climate and the evolution of language has been uncovered by researchers. To find a relationship between the climate and the evolution of language, one needs to discover an ... full story
- Early Mesoamericans Affected by Climate Change
- Winters in Siberia Have Warmed Since Millenia
- Global Warming Doubles Risk of Extreme La Niña
- Climate Models and Temperature Wiggles
- Converting Olive Mash Into Cash
- Lead: Harder On Boys' Cognitive Function
- Calculating the Future of Solar-Fuel Refineries
- Organic Solar Cell Materials: Probing Performance
- New Technique for Producing Cheaper Solar Energy
- Climate Affects Development of Human Speech
New Tattoos Discovered on Iceman Oetzi: All of the Skin Marks on the Mummy Mapped
Jan. 27, 2015 — With the aid of a non-invasive photographic technique, researchers at the EURAC-Institute for Mummies and the Iceman have been able to show up all the tattoos on the man who was found preserved in a ... full story
Early Human Ancestors Used Their Hands Like Modern Humans
Jan. 22, 2015 — New research suggests pre-Homo human ancestral species, such as Australopithecus africanus, used human-like hand postures much earlier than was previously thought. The distinctly human ability for ... full story
Major Breakthrough in Reading Ancient Scrolls
Jan. 22, 2015 — Revolutionary software is making a breakthrough in reading 2,000-year old Herculaneum scrolls, computer scientists report. After working for more than 10 years on unlocking an ancient piece of ... full story
Doubt Cast on Global Firestorm Generated by Dino-Killing Asteroid
Jan. 22, 2015 — Pioneering new research has debunked the theory that the asteroid that is thought to have led to the extinction of dinosaurs also caused vast global firestorms that ravaged planet Earth. Scientists ... full story
Fossils Survive Volcanic Eruption to Tell Us About the Origin of the Canary Islands
Jan. 22, 2015 — The most recent eruption on the Canary Islands – at El Hierro in 2011 – produced spectacularly enigmatic white “floating rocks” that originated from the layers of oceanic sedimentary rock ... full story
Which 'Letters' in the Human Genome Are Functionally Important?
Jan. 20, 2015 — A new computational method has been developed to identify which letters in the human genome are functionally important. Their computer program, called fitCons, harnesses the power of evolution, ... full story
New Data About Evolution of Immune Response Genes in Plants
Jan. 20, 2015 — New clues about the evolution of the immune system in European populations of the plant <em>Arabidopsis thaliana </em> have been uncovered by researchers, as well as the underlying genetic mechanisms ... full story
Paleontologist Names a Carnivorous Reptile That Preceded Dinosaurs
Jan. 20, 2015 — Paleontologist have now named a 9-foot-long carnivorous reptile with steak knife-like teeth and bony plates on the back. Its name is ... full story
Fossil Ankles Indicate Earth's Earliest Primates Lived in Trees
Jan. 19, 2015 — Earth's earliest primates have taken a step up in the world, now that researchers have gotten a good look at their ankles. A new study has found that Purgatorius, a small mammal that lived on a diet ... full story
Preserved Fossil Represents Oldest Record of Parental Care in Group of Prehistoric Reptiles
Jan. 19, 2015 — New research details how a preserved fossil found in China could be the oldest record of post-natal parental care from the Middle Jurassic. The specimen, found by a farmer in China, is of an apparent ... full story
- New Tattoos Discovered On Iceman Oetzi
- Early Human Ancestors Used Hands Like We Do
- Major Breakthrough in Reading Ancient Scrolls
- No Global Firestorm from Dino-Killing Asteroid?
- Fossils Survive Volcanic Eruption, Tell Story
- Human Genome: Which 'Letters' Are Important?
- Evolution of Immune Response Genes in Plants
- Paleontologist Names Early Carnivorous Reptile
- Fossil Ankles: Earliest Primates Lived in Trees
- Fossil: Parental Care in Prehistoric Reptiles
Lung Cancer Predicted to Overtake Breast Cancer as Leading Cause of Cancer Death Among European Women in 2015
Jan. 26, 2015 — Death rates from lung cancer will exceed those for breast cancer for the first time among European women in 2015, according to the latest predictions. The study by researchers in Italy and ... full story
How Your Friends Might Help You Avoid Flu
Jan. 26, 2015 — A study of social networks has yielded clues about how best to improve vaccination rates for influenza. Influenza is a global health problem, affecting 3 to 5 million people a year and causing ... full story
Stalking Versus Cyberstalking: Effects on Victims, Their Responses Compared
Jan. 23, 2015 — The devastating effects of stalking and cyberstalking – harassing or threatening communication via the Internet – are explored in a new study. Key among the findings is that victims of ... full story
Arctic Ice Cap Slides Into the Ocean
Jan. 23, 2015 — Satellite images have revealed that a remote Arctic ice cap has thinned by more than 50 metres since 2012 -- about one sixth of its original thickness -- and that it is now flowing 25 times faster. ... full story
Brazil's Soy Moratorium Still Needed to Preserve Amazon
Jan. 23, 2015 — In a new study to evaluate the Brazilian Soy Moratorium, researchers across the U.S. and Brazil show that the moratorium helped to drastically reduce the amount of deforestation linked to soy ... full story
Celiac Disease Rate Among Young Children Has Almost Tripled in Past 20 Years
Jan. 22, 2015 — The number of young children diagnosed with celiac disease in the UK has almost tripled over the past 20 years, but kids from poorer families are only half as likely to be diagnosed with the ... full story
Falls in Blood Pressure, Cholesterol Have Saved 20,000+ Lives in England
Jan. 22, 2015 — Falls in blood pressure and total cholesterol staved off more than 20,000 deaths from coronary heart disease in England between 2000 and 2007, shows a mathematical analysis. The impact of statins was ... full story
Surprising Insights Into Effects of Wood Fuel Burning
Jan. 22, 2015 — The harvesting of wood to meet the heating and cooking demands for billions of people worldwide has less of an impact on global forest loss and carbon dioxide (CO2) emissions than previously ... full story
Promising Drug Candidate Protects Against Radiation Exposure from Nuclear Fallout
Jan. 22, 2015 — A drug candidate called DBIBB that increases the survival of mice suffering from radiation syndrome, even when treatment started three days after radiation exposure, has been identified by ... full story
Providing Better Data on the Ebola Virus
Jan. 22, 2015 — Researchers are exploring new and innovative methods to solve the complex mystery that is the Ebola virus. A new article studies the use of phylodynamics to discover how the Ebola virus has spread ... full story
- Europe: Lung Cancer Death To Exceed Breast Cancer
- How Your Friends Might Help You Avoid Flu
- Stalking Versus Cyberstalking: Effects On Victims
- Arctic Ice Cap Slides Into the Ocean
- Brazil's Soy Moratorium Needed to Preserve Amazon
- Celiac Disease In Young Kids: Tripled in 20 Years
- Falling Blood Pressure, Cholesterol Saves Lives
- Surprising Effects of Wood Fuel Burning
- Drug May Protect Against Radiation Exposure
- Providing Better Data On the Ebola Virus
Would You Tell Your Manager You Had a Mental Health Problem?
Jan. 26, 2015 — Although nearly four in 10 workers wouldn't tell their manager if they had a mental health problem, half said that if they knew about a coworker's illness, they would desire to help, a new survey ... full story
Reducing Work-Family Conflicts in the Workplace Helps People to Sleep Better
Jan. 26, 2015 — Workers who participated in an intervention aimed at reducing conflict between work and familial responsibilities slept an hour more each week and reported greater sleep sufficiency than those who ... full story
Heightened Scents: Do Ambient Fragrances Make Consumers Purchase More?
Jan. 21, 2015 — Do consumers make different choices based on the fragrance surrounding them? A new study shows for the first time that the “temperature” of scents in a store atmosphere may have a powerful effect ... full story
New Research Reveals the Power of Hierarchy in High-Pressure Situations
Jan. 20, 2015 — Researchers analyzed more than 30,000 Himalayan climbers and 5,000 expeditions over the past 100 years to assess the impact that hierarchical cultures can have in high-pressure group situations. The ... full story
Hostile Boss? Study Finds Advantages to Giving It Right Back
Jan. 20, 2015 — In a result that surprised researchers, a new study found that employees who had hostile bosses were better off on several measures if they returned the hostility. "Before we did this study, I ... full story
Inventors Choose to Reveal Their Secret Sauce Before Patent Approval
Jan. 15, 2015 — Common wisdom and prior economic research suggest that an inventor filing a patent would want to keep the technical know-how secret as long as possible. But a new study of nearly 2 million patents in ... full story
In the Mood to Trade? Weather May Influence Institutional Investors' Stock Decisions
Jan. 15, 2015 — Weather changes may affect how institutional investors decide on stock plays, according to a new study. Their findings suggest sunny skies put professional investors more in a mood to buy, while ... full story
Huge 3-D Displays Without 3-D Glasses
Jan. 15, 2015 — A new kind of display uses laser beams to send out different pictures into different directions. Each pixel contains lasers and a moving mirror, which directs the laser light. Different pictures can ... full story
Global Warming Reduces Wheat Production Markedly If No Adaptation Takes Place
Jan. 12, 2015 — Future global wheat harvest is likely to be reduced by six per cent per each degree Celsius of local temperature increase if no adaptation takes place. Worldwide this would correspond to 42 million ... full story
Black Women Working Night Shifts Have an Increased Risk of Developing Diabetes
Jan. 11, 2015 — Those who work night shifts are significantly more likely to develop diabetes than those who have never worked night shifts, with more years working the night shift resulting in a higher risk. These ... full story
- Mental Health Problem? Would You Tell Your Boss?
- Better Work-Family Balance Helps With Sleep
- Do Ambient Fragrances Make You Purchase More?
- Power of Hierarchy in High-Pressure Situations
- Hostile Boss? Benefit to Giving It Right Back
- Inventors Reveal 'Secret Sauce' Before Patenting
- Stock Decisions Affected By Weather?
- Huge 3-D Displays Without 3-D Glasses
- Does Global Warming Reduce Wheat Production?
- Night Shifts Linked to More Risk of Diabetes
For University Students, Walking Beats Sitting
Jan. 26, 2015 — Walking classrooms are better for not only for students' physical health, but classroom engagement, a study shows. What began in a response to a physical activity challenge for the computer science ... full story
How Are Student Loans Affecting the Well-Being of Young Adults?
Jan. 22, 2015 — Young adults who accumulated higher amounts of debt incurred from student loans reported higher levels of depressive symptoms, even with adjustments for parental wealth, childhood socioeconomic ... full story
Facebook Not to Blame for Negative Impact on Grades, Professor Says
Jan. 20, 2015 — The more time college students, particularly freshman, spend on Facebook, the more their grades suffer. But a professor says the problem is not Facebook -- it's an issue of ... full story
Practice Really Does Make Perfect
Jan. 8, 2015 — New research into the way in which we learn new skills finds that a single skill can be learned faster if its follow-through motion is consistent, but multiple skills can be learned simultaneously if ... full story
All in a Good Night's Sleep: How Quality of Sleep Impacts Academic Performance in Children
Jan. 8, 2015 — A good night's sleep is linked to better performance by schoolchildren in math and languages -- subjects that are powerful predictors of later learning and academic success, according to a study. The ... full story
Marine Litter Education Boosts Children's Understanding, Actions
Jan. 6, 2015 — Children could play an important role in solutions to reduce marine litter with some already helping to educate parents and peers about the scale of the issue, experts ... full story
Human Speech's Surprising Influence on Young Infants
Jan. 5, 2015 — America's preoccupation with the 'word gap' -- the idea that parents in impoverished homes speak less to their children, which, in turn, predicts outcomes like school achievement and income later in ... full story
Fast-Food Consumption Linked to Lower Test Score Gains in 8th Graders
Dec. 22, 2014 — The amount of fast food children eat may be linked to how well they do in school, a new America-wide study suggests. This study can't say why fast-food consumption is linked to lower grades, but ... full story
Early Caregiving Experiences Have Long-Term Effects on Social Relationships, Achievement
Dec. 18, 2014 — A new study has found that sensitive caregiving in the first three years of life predicts an individual's social competence and academic achievement, not only during childhood and adolescence, but ... full story
Why Are UK Teenagers Skipping School?
Dec. 18, 2014 — Analysis of the results of a large-scale survey reveals the extent of truancy in English secondary schools and sheds light on the mental health of the country’s ... full story
- For University Students, Walking Beats Sitting
- Student Loans and the Well-Being of Young Adults
- Can't Blame Bad Grades On Facebook, Says Prof
- Practice Really Does Make Perfect
- Sleep Impacts Academic Performance in Children
- Marine Litter Education Boosts Children's Actions
- Human Speech's Surprising Influence On Infants
- Kids: Fast-Food Linked to Lower Test Score Gains
- Early Caregiving: Effects Into Adulthood
- Why Are UK Teenagers Skipping School?
