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Greenhouse Gas Carbon Dioxide Ramps Up Aspen Growth
The rising level of atmospheric
carbon dioxide may be fueling more
than climate change. It could also
be making some trees grow like
crazy. That is the finding of a
new study of natural stands of
... > full story
- more on:
Scientists Rescue Visual Function in Rats Using Induced Pluripotent Stem Cells
Scientists have rescued visual
function in laboratory rats with
eye disease by using cells similar
to stem cells. The research shows
the potential for stem cell-based
... > full story
- more on:
What Happens When an Enormous Star Blows Up?
What happens when a really
gargantuan star -- one hundreds of
times bigger than our sun -- blows
up? Although a theory developed
years ago describes what the
explosion of such an enormous star
should look like, no one had
... > full story
- more on:
By Feeding the Birds, You Could Change Their Evolutionary Fate
Feeding birds in winter is a most
innocent human activity, but it
can nonetheless have profound
effects on the evolutionary future
of a species, and those changes
can be seen in the very near term. ... > full story
- more on:
A Window That Washes Itself? New Nano-Material May Revolutionize Solar Panels and Batteries, Too
Researchers have developed a
method to control the atoms and
molecules of peptides so that they
"grow" to resemble small forests
of grass. These "peptide forests"
... > full story
- more on:
How a Brain Hormone Controls Insect Metamorphosis
Researchers have discovered how
PTTH, a hormone produced by the
brain, controls the metamorphosis
of juvenile insects into adults. ... > full story
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Hawaiian Hot Spot Has Deep Roots
A classic explanation for oceanic
hot spots such as Hawaii has been
that they originate from
upwellings of hot rock, called
mantle "plumes," deep in the
Earth's mantle. Evidence for these
deep structures has been sketchy,
... > full story
- more on:
First Direct Observation of a Planet-Like Object Orbiting Star Similar to Sun
Scientists have made the first
direct observation of a
planet-like object orbiting a star
similar to the sun. ... > full story
- more on:
Antarctica Served as Climatic Refuge in Earth's Greatest Extinction Event
A new fossil species suggests that
some land animals may have
survived the end-Permian
extinction by living in cooler
climates in Antarctica.
Researchers have identified a
... > full story
- more on:
Suzaku X-Ray Observatory Spies Treasure Trove of Intergalactic Metal
Most of the universe is made up of
hydrogen and helium. These cosmic
lightweights fill the first two
spots on the famous periodic table
of the elements. Less abundant but
more familiar to us are the heavi ... > full story
- more on:
Roll over headlines to view top news summaries:
- Carbon Dioxide Ramps Up Aspen Growth
- Pluripotent Stem Cells Rescue Vision in Rats
- What Happens When an Enormous Star Blows Up?
- Feeding Birds Can Change Evolutionary Fate
- A Window That Washes Itself?
- Brain Hormone Controls Insect Metamorphosis
- Hawaiian Hot Spot Has Deep Roots
- Planet Orbiting Sun-Like Star
- Antarctica Was Refuge in Extinction Event
- Treasure Trove of Intergalactic Metal in Space
More Science Headlines
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5 pm EST
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Study Confirms That Cannabis Is Beneficial for Multiple Sclerosis
December 4, 2009 — Cannabis can reduce spasticity in multiple sclerosis patients. A systematic review found that five out six randomized controlled trials reported a reduction in spasticity and an improvement in ... > full story -
New Therapy Targets for Amyloid Disease
December 4, 2009 — A major discovery is challenging accepted thinking about amyloids -- the fibrous protein deposits associated with diseases such as Alzheimer's and Parkinson's -- and may open up a potential new area ... > full story -
Popular Diabetes Drugs Linked to Increased Risk of Heart Failure and Death, Study Suggests
December 4, 2009 — Sulphonylureas, a type of drug widely used to treat type 2 diabetes, carries a greater risk of heart failure and death compared with metformin, another popular anti-diabetes ... > full story -
Safe Journey for Works of Art
December 4, 2009 — Valuable paintings travel long distances when they are shipped from one place to another. To minimize damage, they are packed in special picture cases. In future, these will be equipped with sensors ... > full story -
Widowed Facing Higher Mortality Risk
December 4, 2009 — Married people in the United States are living longer these days, but the widowed are experiencing a higher mortality rate, according to new ... > full story
2 pm EST
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Swine Flu Has Major Implications for Solid Organ Transplants: Transplant Infectious Disease Experts Provide Pandemic Guidance
December 4, 2009 — The global swine flu pandemic has major implications for solid organ transplants, including donor selection and transplant management and care. There are also significant concerns that swine flu ... > full story -
Young Star Cluster Trumpler 14 Revealed in Stunning Image
December 4, 2009 — The young star cluster Trumpler 14 is revealed in a stunning ESO image. The amount of exquisite detail seen in this portrait, which beautifully reveals the life of a large family of stars, is due to ... > full story -
Two Heads Better Than One in New Antibiotic Method
December 4, 2009 — An antibiotic that binds to a well-established target in a novel and unexpected way could be the inspiration for designing new, more potent antibacterial ... > full story -
A Little Magic Provides an Atomic-Level Look at Bone
December 4, 2009 — A new study using solid-state NMR spectroscopy to analyze intact bone paves the way for atomic-level explorations of how disease and aging affect ... > full story -
Chinese 'Herbal' Cigarettes No Healthier Than Regular Cigarettes
December 4, 2009 — Despite popular belief and some marketing claims, researchers have found that Chinese "herbal" cigarettes that combine medicinal herbs with tobacco are just as addictive and no safer than regular ... > full story
11 am EST
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Mice Holding Back Muscular Dystrophy Research?
December 4, 2009 — Humans and mice have previously unknown and potentially critical differences in one of the genes responsible for Duchenne muscular dystrophy. Researchers have found that two major features of a key ... > full story -
Newly Discovered Fat Molecule: An Undersea Killer With An Upside
December 4, 2009 — A chemical culprit responsible for the rapid, mysterious death of phytoplankton in the North Atlantic Ocean has been found. This same chemical may hold unexpected promise in cancer ... > full story -
New Tool in Fight Against Autoimmune Diseases, Blood Cancers
December 4, 2009 — Scientists have described a new, highly pragmatic approach to the identification of molecules that prevent a specific type of immune cells from attacking their host. The findings add a powerful new ... > full story -
'Ich' Discovery Could Yield New Ways to Treat Devastating Freshwater Fish Parasite
December 4, 2009 — Researchers have made an "unexpected" dual discovery that could open new avenues for treating Ichthyophthirius multifiliis, or "Ich", a devastating single-celled protozoan parasite that commonly ... > full story -
Sleep Disorders
Sleep Disorder Research
Insomnia Research
Insomnia
Obstructive Sleep Apnea
Child DevelopmentSleep Changes Predict Onset of Physical Changes Associated With Puberty
December 4, 2009 — A new study suggests that changes in children's sleep patterns that typically occur between the ages of 11 and 12 years are evident before the physical changes associated with the onset of ... > full story
8 am EST
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Glial Cells Can Cross from the Central to the Peripheral Nervous System
December 4, 2009 — Glial cells, which help neurons communicate with each other, can leave the central nervous system and cross into the peripheral nervous system to compensate for missing cells, according to new ... > full story -
Poisonous Catfish Described
December 4, 2009 — In contrast to the exhaustive research into venom produced by snakes and spiders, venomous fish have been neglected and remain something of a mystery. Now, a study of 158 catfish species has ... > full story -
MRI Helps Detect Life-Threatening Pregnancy Complication
December 4, 2009 — A new study has revealed that MRI is a highly accurate means of identifying placenta accreta, a potentially life-threatening and increasingly common condition that is the leading cause of death for ... > full story -
Carbon and Oxygen in Tree Rings Can Reveal Past Climate Information
December 4, 2009 — Scientists working in Canada's North used isotope analysis to look at past temperatures. Not only is the method accurate, fewer trees are required than the number needed when using tree ... > full story -
Sleep Disorder Research
Sleep Disorders
Insomnia Research
Insomnia
Obstructive Sleep Apnea
Disorders and SyndromesAdults Have Dreamlike Thoughts During Sleepwalking and Sleep Terrors Episodes
December 4, 2009 — Short, unpleasant, dreamlike mental activity occurs during sleepwalking and sleep terrors episodes, suggesting that people with these sleep disorders may be acting out dreamlike ... > full story
5 am EST
-
Hope for Patients With Type 2 Diabetes
December 4, 2009 — The outlook for individuals with type 2 diabetes and coronary artery disease is not as grim as originally believed, according to new ... > full story -
What Is The Meaning Of 'One' Plant or Animal?
December 4, 2009 — Evolutionary biologists argue in a new article that high cooperation and low conflict between components, from the genetic level on up, give a living thing its "organismality," whether that thing is ... > full story -
Chances of Surviving Cardiac Arrest at Home or Work Unchanged in 30 Years
December 4, 2009 — The chance of surviving an out-of-hospital cardiac arrest has not improved since the 1950s, according to a new article. The analysis shows only 7.6 percent of victims survive an out-of-hospital ... > full story -
Understanding Mechanical Properties Of Silicon Nanowires Paves Way For Nanodevices
December 4, 2009 — Silicon nanowires are attracting attention from the electronics industry due to the drive for smaller devices, from cell phones to computers. The operation of these devices, and an array of ... > full story -
Educational Psychology
Children's Health
Intelligence
Borderline Personality Disorder
Child Psychology
Today's HealthcarePersonality Predicts Success in Medical School
December 4, 2009 — Personality characteristics play a major role in determining who succeeds in medical school, according to new research. During the early, pre-clinical years, conscientious individuals do much better ... > full story
2 am EST
-
No Change in Brain Tumor Incidence During a Time When Cell Phone Usage Increased
December 4, 2009 — There was no substantial change in brain tumor incidence among adults 5 to 10 years after cell phone usage sharply increased, according to a new ... > full story -
Live Saver for the Gulf Stream? Climate Changes Supplies More Saline Waters from Indian Ocean
December 4, 2009 — The Gulf Stream system is known for its impact on Europe's mild climate. For quite some time oceanographers and climate scientists worry that its strength could decline due to the climate change. ... > full story -
Hope for Men With Nonobstructive Infertility
December 4, 2009 — It has been thought that men with nonobstructive azoospermia (NOA), a lack of sperm in the semen not caused by an obstruction within the reproductive system, are poor candidates for in vitro ... > full story -
Experimental Validation Tool for Cell Phone Forensics Developed
December 4, 2009 — Researchers have developed a new technique aimed at improving the validation of a crime lab's cell phone forensics tools. Early experiments show promise for easier, faster and more rigorous ... > full story -
Is Cannabis the Answer to Booze Britain's Problems?
December 4, 2009 — Substituting cannabis in place of more harmful drugs may be a winning strategy in the fight against substance misuse. New research features a poll of 350 cannabis users, finding that 40 percent used ... > full story
11 pm EST
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Liver Disease
HIV and AIDS
Infectious Diseases
Pharmacology
Personalized Medicine
Diseases and ConditionsNew Drug Technology Produces Marked Improvement in Hepatitis C Therapy in Animals
December 3, 2009 — In a dramatic finding, a new drug for hepatitis C virus (HCV) infections that targets liver cells produced a substantial drop in blood levels of the virus in animals and continued to work up to ... > full story -
DNA: Proteins Grooving Down the Helix to Find Their Target
December 3, 2009 — Scientists have made a major step in understanding how molecules locate the genetic information in DNA that is necessary to carry out important biological processes. The research confirms that many ... > full story -
Cigarette Smoking Increases Colorectal Cancer Risk
December 3, 2009 — New study results strengthen the evidence that people who smoke cigarettes over a long period of time have an increased risk for developing colorectal cancer, even after adjusting for other risk ... > full story -
Rising Antarctic Snowmelt Forcast
December 3, 2009 — The 30-year record low in Antarctic snowmelt that occurred during the 2008-09 austral summer was likely due to concurrent strong positive phases for two main climate drivers, ENSO (El Nino, Southern ... > full story -
Exams: More Competitors, Less Competition
December 3, 2009 — The larger the number of examinees, the lower the average grade. This is one of the findings of new studies carried out by ... > full story
8 pm EST
-
Breastfeeding Protects Women from Metabolic Syndrome, a Diabetes and Heart Disease Predictor
December 3, 2009 — A new study finds that breastfeeding a child may lower a woman's risk of developing metabolic syndrome, a condition linked to heart disease and diabetes in women, by up to 86 percent. The 20-year ... > full story -
Gene That Spurs Deadly Brain Cancer Identified
December 3, 2009 — Researchers have identified a new factor that is necessary for the development of many forms of medulloblastoma, the most common type of malignant childhood brain ... > full story -
Increased Nicotine Levels Detected in Those Who Light-Up Earlier in the Morning
December 3, 2009 — People who smoke their first cigarette within minutes after waking up have much higher levels of cotinine, a by-product of nicotine when processed by the body, than those who wait to smoke, ... > full story -
Elevated Carbon Dioxide Levels May Mitigate Losses of Biodiversity from Nitrogen Pollution
December 3, 2009 — Rising levels of carbon dioxide may overheat the planet and cause other environmental problems, but fears that rising carbon dioxide levels could directly reduce plant biodiversity can be allayed, ... > full story -
Parents Gone Wild? Study Suggests Link Between Working Memory and Reactive Parenting
December 3, 2009 — It can be challenging sometimes for parents to maintain a cool head around their misbehaving children. The results of a new study reveal that the mothers whose negativity was most strongly linked ... > full story
- View all the latest headlines and summaries, or browse by topic below:
Health & Biomedical Sciences
Health & Medicine
Swine Flu Has Major Implications for Solid Organ Transplants: Transplant Infectious Disease Experts Provide Pandemic Guidance
The global swine flu pandemic has major implications for solid organ transplants, including donor selection and transplant management and care. There are also significant concerns that swine flu ... > full story
Mind & Brain
Sleep Changes Predict Onset of Physical Changes Associated With Puberty
A new study suggests that changes in children's sleep patterns that typically occur between the ages of 11 and 12 years are evident before the physical changes associated with the onset of ... > full story
Living Well
Young Adults Who Exercise Get Higher IQ Scores
Young adults who are fit have a higher IQ and are more likely to go on to university, reveals a major new ... > full story
Biological & Earth Sciences
Plants & Animals
Two Heads Better Than One in New Antibiotic Method
An antibiotic that binds to a well-established target in a novel and unexpected way could be the inspiration for designing new, more potent antibacterial ... > full story
Earth & Climate
Newly Discovered Fat Molecule: An Undersea Killer With An Upside
A chemical culprit responsible for the rapid, mysterious death of phytoplankton in the North Atlantic Ocean has been found. This same chemical may hold unexpected promise in cancer ... > full story
Fossils & Ruins
Carbon and Oxygen in Tree Rings Can Reveal Past Climate Information
Scientists working in Canada's North used isotope analysis to look at past temperatures. Not only is the method accurate, fewer trees are required than the number needed when using tree ... > full story
- Why Humans Outlive Apes: Human Genes Have Adapted to Inflammation, but We Are More Susceptible to Diseases of Aging
- How Did Flowering Plants Evolve to Dominate Earth?
- Big Freeze Plunged Europe Into Ice Age in Months
- New Fossil Plant Discovery Links Patagonia to New Guinea in a Warmer Past
- more stories
Physical & Applied Sciences
Space & Time
Young Star Cluster Trumpler 14 Revealed in Stunning Image
The young star cluster Trumpler 14 is revealed in a stunning ESO image. The amount of exquisite detail seen in this portrait, which beautifully reveals the life of a large family of stars, is due to ... > full story
Matter & Energy
Lasers Used to Make First Boron-Nitride Nanotube Yarn
Researchers have used lasers to create the first practical macroscopic yarns from boron nitride fibers, opening the door for an array of applications, from radiation-shielded spacecraft to stronger ... > full story
Computers & Math
Understanding Mechanical Properties Of Silicon Nanowires Paves Way For Nanodevices
Silicon nanowires are attracting attention from the electronics industry due to the drive for smaller devices, from cell phones to computers. The operation of these devices, and an array of ... > full story
