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Humanmade Pollutants May Be Driving Earth's Tropical Belt Expansion: May Impact Large-Scale Atmospheric Circulation
Black carbon aerosols and
tropospheric ozone, both humanmade
pollutants emitted predominantly
in the Northern Hemisphere's low-
to mid-latitudes, are most likely
pushing the boundary of the
... > full story
- more on:
People With Paralysis Control Robotic Arms to Reach and Grasp Using Brain Computer Interface
Two people with tetraplegia were
able to reach for and grasp
objects in three-dimensional space
with robotic arms that they
controlled directly with brain
activity. They used the BrainGate
... > full story
- more on:
Alzheimer's Gene Causes Brain's Blood Vessels to Leak Toxins and Die
ApoE4, a well-known genetic risk
factor for Alzheimer's disease
triggers a cascade of signaling
that ultimately results in leaky
blood vessels in the brain,
allowing toxic substances to pour
into brain tissue in large
... > full story
- more on:
Human Genes Transplanted Into Zebrafish: Helps Identify Genes Related to Autism, Schizophrenia and Obesity
Researchers have transplanted a
set of human genes into a
zebrafish and then used it to
identify genes responsible for
head size at birth. This finding
also is related to some cases of
... > full story
- more on:
Colorful Butterflies Increase Their Odds of Survival by Sharing Traits
Bright black-and-red butterflies
that flit across the sunlit edges
of Amazonian rain forests are
natural hedonists, and it does
them good, according to new
genetic data. ... > full story
- more on:
Let's Get Moving: Unraveling How Locomotion Starts
Scientists have shed new light on
one of the great unanswered
questions of neuroscience: How the
brain initiates rhythmic movements
like walking, running and
swimming. ... > full story
- more on:
Microscope Looks Into Cells of Living Fish
Microscopes provide valuable
insights in the structure and
dynamics of cells, in particular
when the latter remain in their
natural environment. However, this
is very difficult especially for
higher organisms. Researchers have
now developed a new method to
... > full story
- more on:
Character Traits Determined Genetically? Genes May Hold the Key to a Life of Success, Study Suggests
Genes play a greater role in
forming character traits -- such
as self-control, decision making
or sociability -- than was
previously thought, new research
suggests. ... > full story
- more on:
Ancient Tree-Ring Records from Southwest U.S. Suggest Today's Megafires Are Truly Unusual
Today's mega forest fires of the
southwestern U.S. are truly
unusual and exceptional in the
long-term record, suggests an
unprecedented study that examined
1,500 years of ancient tree ring
... > full story
- more on:
Baby Galaxies Grew Up Quickly
Baby galaxies from the young
universe more than 12 billion
years ago evolved faster than
previously thought, shows new
research. This means that already
in the early history of the
universe, there was potential for
planet formation and life. ... > full story
- more on:
Common Fungicide Wreaks Havoc on Freshwater Ecosystems
A new study on chlorothalonil, one
of the world's most common
fungicides, shows it was lethal to
a wide variety of freshwater
organisms. ... > full story
- more on:
Chocolate and Diamonds: Why Volcanoes Could Be 'a Girl's Best Friend'
Scientists have discovered a
previously unrecognized volcanic
process, similar to one that is
used in chocolate manufacturing,
which gives important new insights
into the dynamics of volcanic
eruptions. The scientists
... > full story
- more on:
Roll over headlines to view top news summaries:
- Are Pollutants Expanding Earth's Tropical Belt?
- Brain Controlled Robotic Arms
- Alzheimer's Gene Allows Toxins Into Brain
- Human Genes in Zebrafish to Study Autism
- Sharing Traits Boosts Butterfly Survival Odds
- Unraveling How Locomotion Starts
- Microscope Looks Into Cells of Living Fish
- Genes Responsible for Character Traits?
- Humans to Blame for U.S. Southwest Megafires?
- Baby Galaxies Grew Up Quickly
- Common Fungicide Wreaks Havoc in Freshwater
- Volcanoes Like Chocolates (and Diamonds)
- more top science stories
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Top Medical News
You Are What You Eat: Why Do Male Consumers Avoid Vegetarian Options?
Why are men generally more reluctant to try vegetarian products? According to a new study consumers are influenced by a strong association of meat with ... > full story
- Air Pollution Level Changes in Beijing Linked With Biomarkers of Cardiovascular Disease
- New Look at Prolonged Radiation Exposure: At Low Dose-Rate, Radiation Poses Little Risk to DNA, Study Suggests
- Drugs from Gila Monster Lizard Saliva Reduces Cravings for Chocolate and Ordinary Food
- This Is Your Brain on Sugar: Study in Rats Shows High-Fructose Diet Sabotages Learning, Memory
- more top health stories
Top Technology News
Graphite Enters Different States of Matter in Ultrafast Experiment
For the first time, scientists have seen an X-ray-irradiated mineral go to two different states of matter in about 40 femtoseconds. Scientists heated graphite to induce a transition from solid to liquid and to warm-dense ... > full story
Top Environment News
Listening to Chickens Could Improve Poultry Production
Listening to squawks and other chicken "vocalizations" using digital signal processing techniques may help farmers better manage growing conditions, contributing to both healthier birds and more productive poultry ... > full story
More Science Headlines
Updated seconds ago | Next update in 3 hours
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5 pm EDT
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Mixed Bacterial Communities Evolve to Share Resources, Not Compete
May 15, 2012 — New research shows how bacteria evolve to increase ecosystem functioning by recycling each other's waste. The study provides some of the first evidence for how interactions between species shape evolution when there is a diverse ... > full story -
Anxiety; Psychiatry; Disorders and Syndromes; Personalized Medicine; Gene Therapy; Psychology Research;
Mystery Gene Reveals New Mechanism for Anxiety Disorders
May 15, 2012 — A novel mechanism for anxiety behaviors, including a previously unrecognized inhibitory brain signal, may inspire new strategies for treating psychiatric disorders, researchers report. By testing the controversial role of a gene called Glo1 in ... > full story -
Statistical Analysis Projects Future Temperatures in North America
May 15, 2012 — For the first time, researchers have been able to combine different climate models using spatial statistics -- to project future seasonal temperature changes in regions across North ... > full story -
Children's Health; Child Psychology; Educational Psychology; Child Development; Teen Health; Mental Health Research;
Chronic Child Abuse Strong Indicator of Negative Adult Experiences
May 15, 2012 — Child abuse or neglect are strong predictors of major health and emotional problems, but little is known about how the chronicity of the maltreatment may increase future harm apart from other risk factors in a child’s life. Scientist have now ... > full story -
Ultrasensitive Biosensor Promising for Medical Diagnostics
May 15, 2012 — Researchers have created an ultrasensitive biosensor that could open up new opportunities for early detection of cancer and "personalized medicine" tailored to the specific biochemistry of individual ... > full story
2 pm EDT
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Tiny Plants Could Cut Costs, Shrink Environmental Footprint
May 15, 2012 — Tall, waving corn fields that line Midwestern roads may one day be replaced by dwarfed versions that require less water, fertilizer and other inputs, thanks to a fungicide commonly used on golf ... > full story -
Disability; Brain Injury; Nervous System; Today's Healthcare; Bone and Spine; Disorders and Syndromes;
Surgeons Restore Some Hand Function to Quadriplegic Patient
May 15, 2012 — Surgeons have restored some hand function in a quadriplegic patient with a spinal cord injury at the C7 vertebra, the lowest bone in the neck. Instead of operating on the spine itself, the surgeons rerouted working nerves in the upper arms. These ... > full story -
Mice With Big Brains Provide Insight Into Brain Regeneration and Developmental Disorders
May 15, 2012 — Scientists have discovered that mice that lack a gene called Snf2l have brains that are 35 percent larger than normal. The research could lead to new approaches to stimulate brain regeneration and may provide important insight into developmental ... > full story -
Schizophrenia; Mental Health Research; Mental Health; Disorders and Syndromes; Genes; Personalized Medicine;
Key Genes and Prototype Predictive Test for Schizophrenia Identified
May 15, 2012 — Medical researchers have identified and prioritized a comprehensive group of genes most associated with schizophrenia that together can generate a score indicating whether an individual is at higher or lower risk of developing the ... > full story -
Looks Matter More Than Reputation When It Comes to Trusting People With Our Money
May 15, 2012 — Our decisions to trust people with our money are based more on how they look then how they behave, according to new ... > full story
11 am EDT
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Arctic Seabirds Adapt to Climate Change
May 15, 2012 — The planet is warming up, especially at the poles. How do organisms react to this rise in temperatures? Biologists have now shown that little auks, the most common seabirds in the Arctic, are adapting their fishing behavior to warming surface waters ... > full story -
Black Holes Turn Up the Heat for the Universe
May 15, 2012 — Astrophysicists have just discovered a new heating source in cosmological structure formation. Until now, astrophysicists thought that super-massive black holes could only influence their immediate surroundings. Scientists have now discovered that ... > full story -
Female Terrorists' Bios Belie Stereotypes, Study Finds
May 15, 2012 — Much like their male counterparts, female terrorists are likely to be educated, employed and native residents of the country where they commit a terrorist act, according to new ... > full story -
Delivery System for Gene Therapy May Help Treat Arthritis
May 15, 2012 — A DNA-covered submicroscopic bead used to deliver genes or drugs directly into cells to treat disease appears to have therapeutic value just by showing up, researchers ... > full story -
Scientists Discover Clues to Muscle Stem Cell Functions
May 15, 2012 — Scientists have identified how skeletal muscle stem cells respond to muscle injury and may be stimulated to improve muscle repair in Duchenne Muscular Dystrophy, a severe inherited disease of muscle that causes weakness, disability and, ultimately, ... > full story
8 am EDT
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Early Biomarker for Pancreatic Cancer Identified
May 15, 2012 — Researchers have identified a new biomarker and therapeutic target for pancreatic cancer, an often-fatal disease for which there is currently no reliable method for early detection or therapeutic ... > full story -
Cross-Reactivity Between Peanuts and Other Legumes Can Lead to Serious Allergic Reactions
May 15, 2012 — Food allergies pose a serious and growing problem in the West. Many foods can lead to allergic reactions and this situation is further complicated by so-called cross-reactions, whereby an allergy to one particular food can trigger allergic reactions ... > full story -
Watching the 'Birth' of an Electron: Ionization Viewed With 10 Attosecond Resolution
May 15, 2012 — A strong laser beam can remove an electron from an atom – a process which takes place almost instantly. This phenomenon could now be studied with a time resolution of less than ten attoseconds (ten billionths of a billionth of a second). ... > full story -
How to Minimize Damage from Strokes, According to Experts
May 14, 2012 — Following a stroke, factors as varied as blood sugar, body temperature and position in bed can affect patient outcomes, researchers ... > full story -
Genetic Test Identifies Eye Cancer Tumors Likely to Spread
May 14, 2012 — Researchers have developed a genetic test that can accurately predict whether the most common form of eye cancer will spread to other parts of the body, particularly the liver. The test successfully classified tumors more than 97 percent of the ... > full story
5 am EDT
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Breakthrough in Bile Duct Cancer With Discovery of New Gene Mutations
May 14, 2012 — Scientists have made a significant breakthrough in understanding the cause of bile duct cancer, a deadly type of liver cancer. By identifying several new genes frequently mutated in bile duct cancers, researchers are paving the way for better ... > full story -
First Ever Record of Insect Pollination from 100 Million Years Ago
May 14, 2012 — Amber from the Cretaceous period found in Spain has revealed the first ever fossil record of insect pollination. Scientists discovered and studied with X-rays at the ESRF a specimen of a tiny insect covered with pollen grains. This is the first ... > full story -
Superbug Spreads from Big City Hospitals to Regional Health Centers, Study Suggests
May 14, 2012 — Hospitals in large cities act as breeding grounds for the superbug MRSA prior to it spreading to smaller hospitals, a study suggests. Researchers found evidence that shows for the first time how the superbug spreads between different hospitals ... > full story -
New Species of Fish in Sweden
May 14, 2012 — Reticulated dragonet have been found in Väderöarna -- "Weather Islands" -- off the west coast of Sweden. It is not often that a new species of fish is discovered in ... > full story -
Locating Lice as They Hitch-Hike With Birds for Life
May 14, 2012 — Although chewing lice spend their entire lives as parasites on birds, it is difficult to predict patterns of lice distribution, new research ... > full story
2 am EDT
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Alternative Medicine; Lung Disease; Pain Control; Asthma; Today's Healthcare; Diseases and Conditions;
Acupuncture Appears Linked With Improvement in Patients With Chronic Obstructive Pulmonary Disease
May 14, 2012 — According to a small clinical trial reported by investigators from Japan, acupuncture appears to be associated with improvement of dyspnea (labored breathing) on exertion, in patients with chronic obstructive pulmonary ... > full story -
Back Pain Improves in First Six Weeks of Treatment but Lingering Effects at One Year, Study Suggests
May 14, 2012 — For people receiving health care for acute and persistent low-back pain, symptoms will improve significantly in the first six weeks, but pain and disability may linger even after one year, states a large ... > full story -
Chicago Police Cameras More Effective When Clustered
May 14, 2012 — Chicago's network of police cameras is more effective at reducing crime in high-crime areas than in low-crime areas, according to a new ... > full story -
Time, Place and How Wood Is Used Are Factors in Carbon Emissions from Deforestation
May 13, 2012 — A new study holds implications for the impact of biofuels production on deforestation and greenhouse gas emissions. The volume of greenhouse gas released when a forest is cleared depends on how the trees will be used and in which part of the world ... > full story -
Energy and the Environment; Inorganic Chemistry; Materials Science; Chemistry; Nature of Water; Renewable Energy;
Rainforest Microbe Can Handle Ionic Liquids: New Find Could Help Reduce Biofuel Production Costs
May 14, 2012 — Researchers have identified a tropical rainforest microbe that can endure relatively high concentrations of an ionic liquid used to dissolve cellulosic biomass for the production of advanced biofuels. They've also determined how the microbe ... > full story
11 pm EDT
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First Gene Therapy Successful Against Aging-Associated Decline: Mouse Lifespan Extended Up to 24% With a Single Treatment
May 14, 2012 — A new study consisting of inducing cells to express telomerase, the enzyme which -- metaphorically -- slows down the biological clock -- was successful. The research provides a "proof-of-principle" that this "feasible and safe" approach can ... > full story -
Brain Circuitry Is Different for Women With Anorexia and Obesity
May 14, 2012 — Why does one person become anorexic and another obese? Researchers have now shown that reward circuits in the brain are sensitized in anorexic women and desensitized in obese ... > full story -
Sleep Disorder Research; Sleep Disorders; Mental Health Research; Insomnia Research; Insomnia; Mental Health;
Sleepwalking More Prevalent Among U.S. Adults Than Previously Suspected, Researcher Says
May 14, 2012 — What goes bump in the night? In many U.S. households: people. About 3.6 percent of US adults -- or upward of 8.4 million -- are prone to sleepwalking, new research shows. The work also showed an association between nocturnal wanderings and certain ... > full story -
Different Mechanisms of Pain Revealed
May 14, 2012 — Researchers have found a previously unknown mechanism through which pain is signaled by nerve cells -- a discovery that could explain the current failings in the drug development process for painkillers and which may offer opportunities for a new ... > full story -
Measuring CO2 to Fight Global Warming, Enforce Future Treaty
May 14, 2012 — If the world's nations ever sign a treaty to limit emissions of climate-warming carbon dioxide gas, there may be a way to help verify compliance. Using measurements from only three carbon-dioxide (monitoring stations in the Salt Lake Valley, the ... > full story
8 pm EDT
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A Walk in the Park Gives Mental Boost to People With Depression
May 14, 2012 — In one of the first studies to examine the effect of nature walks on cognition and mood in people with major depression, researchers in Canada and the US have found promising evidence that a walk in the park may provide some cognitive ... > full story -
Global Warming; Environmental Issues; Environmental Policy; Agriculture and Food; Food; Energy and the Environment;
Wasted Milk Is a Real Drain on Our Resources, Study Shows
May 13, 2012 — Milk poured down Britain's kitchen sinks each year creates a carbon footprint equivalent to thousands of car exhaust emissions, research ... > full story -
Energy Technology; Electricity; Energy and the Environment; Materials Science; Thermodynamics; Nanotechnology;
Scientists Generate Electricity from Viruses
May 13, 2012 — Scientists have developed a way to generate power using harmless viruses that convert mechanical energy into electricity. The scientists tested their approach by creating a generator that produces enough current to operate a small liquid-crystal ... > full story -
Tiny Solar-Panel-Like Cells Help Restore Sight to the Blind
May 13, 2012 — Using tiny solar-panel-like cells surgically placed underneath the retina, scientists have devised a system that may someday restore sight to people who have lost vision because of certain types of degenerative eye ... > full story -
Bone Grown from Human Embryonic Stem Cells
May 14, 2012 — Human embryonic stem cells can now be used to grow bone tissue grafts for use in research and potential therapeutic application. The study is the first example of using bone cell progenitors derived from human embryonic stem cells to grow compact ... > full story
Health & Biomedical Sciences
Health & Medicine
Why Inhibiting DNA Damage-Detecting Enzyme Is Effective in Fighting Cancer and Other Diseases
A new study is shedding light on the molecular details of PARP-1, a DNA damage-detecting enzyme that when inhibited has been shown to be effective in fighting cancer and other ... > full story
Mind & Brain
Too Much or Too Little Noise Turns Off Consumers, Creativity
Ambient background noise turns out to be an important factor affecting creative cognition among consumers, according to new ... > full story
Living Well
Trusting Tiger Woods: How Do Facial Cues Affect Preference and Trust?
People respond to facial cues and this affects their level of trust, according to a new study that looks at the way consumers react to morphed photo ... > full story
- OMG! Texting Ups Truthfulness, New iPhone Study Suggests
- 'Gaydar' Automatic and More Accurate for Women's Faces; Accurate Even When Faces Were Upside Down, Psychologists Find
- Playful Games Promote Reading Development
- Button Battery Risks: Number of Battery-Related Emergency Department Visits by Children More Than Doubles
- more stories
Biological & Earth Sciences
Plants & Animals
Animal Disease Research Misses the Human Perspective, Say Researchers
Animal disease research concentrates too much on the behavior of micro organisms while ignoring the role played by human beings; we need to take more account of the human dimension if the work of scientists is to be translated effectively into ... > full story
- DNA Replication Protein Also Has a Role in Mitosis, Cancer
- Novel RNA Transport Mechanism: Ribonucleoprotein Granules Exit the Nucleus Via a Budding Mechanism
- Breastfeeding Benefits: Human Breast Milk Ingredient Adjusts to Optimize for Beneficial Gut Bacteria Over Time
- Color of Robins' Eggs Determines Parental Care
- more stories
Earth & Climate
Juggling With Air Pollutant Data
Models integrating air quality and climate change data will help reaching compliance with new emission ... > full story
Fossils & Ruins
Anthropologists Discover Earliest Form of Wall Art
Anthropologists working in southern France have determined that a 1.5 metric ton block of engraved limestone constitutes the earliest evidence of wall art. Their research shows the piece to be approximately 37,000 years old and offers rich evidence ... > full story
Physical & Applied Sciences
Space & Time
Amateur Astronomers Boost ESA’s Asteroid Hunt
ESA’s Space Situational Awareness (SSA) programme is keeping watch over space hazards, including disruptive space weather, debris objects in Earth orbit and asteroids that pass close enough to cause ... > full story
Matter & Energy
Foxtail Millet Offers Clues for Assembling the Switchgrass Genome
Scientists are interested in the perennial grass switchgrass as a prospective biofuels feedstock, but the plant genome is complex. Researchers have sequenced plant genomes of related candidate bioenergy crops such as sorghum and the model grass ... > full story
- Refurbishment on Grand Scale for Iconic Vehicle Assembly Building at NASA's Kennedy Space Center
- Real Smart: Protective Clothing With Built-in A/C
- Novel New Device Diagnoses Irregular Heartbeat: Small Stick-on Device Monitors Heart Rhythm for Weeks
- You Can't Play Nano-Billiards on a Bumpy Table
- more stories
Computers & Math
Elusive Capacity of Networks: Calculating Data Network's Total Capacity Notoriously Difficult, but Theorists Making Some Headway
In its early years, information theory was dominated by research on error-correcting codes: How do you encode information so as to guarantee its faithful transmission, even in the presence of the corrupting influences engineers call "noise"? ... > full story
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