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Dogs Chase Efficiently, But Cats Skulk Counterintuitively
A new study suggests that
evolution can behave as
differently as dogs and cats.
While the dogs depend on an
energy-efficient style of
four-footed running over long
... > full story
- more on:
Omega Centauri: Glittering Giant Of Southern Skies
Omega Centauri is one of the
finest jewels of the southern
hemisphere night sky, as ESO's
latest stunning image beautifully
illustrates. Containing millions
of stars, this globular cluster is
located roughly 17,000 light-years
... > full story
- more on:
Evidence From Dirty Teeth: Ancient Peruvians Ate Well
Starch grains preserved on human
teeth reveal that ancient
Peruvians ate a variety of
cultivated crops including squash,
beans, peanuts and pacay. Starch
grain analysis of human dental
remains should prove to be a
... > full story
- more on:
Mammals Can Be Stimulated To Regrow Damaged Inner Retina Nerve Cells
For the first time the mammalian
retina has now shown the capacity
to regenerate new neurons after
damage. This research in mice
shows that at least some types of
retinal damage can be repaired.
... > full story
- more on:
Sun's Magnetic Field May Impact Weather And Climate: Sun Cycle Can Predict Rainfall Fluctuations
The sun's magnetic field may have
a significant impact on weather
and climatic parameters in
Australia and other countries in
the northern and southern
... > full story
- more on:
New Giant Toothless Pterosaur Species Discovered
A new species of pterosaur, the
largest of its kind to ever be
found, has been discovered. It
represents an entirely new genus
of these flying reptiles that
ruled the skies 115 million years
ago. ... > full story
- more on:
Flexibility Trumps Fitness In Sexual Reproduction, Says New Theory In Evolutionary Biology
An intriguing new theory of
evolutionary biology says the
reason sexual reproduction may be
so successful is that it promotes
genes that work well in
... > full story
- more on:
Why We Remember Important Things And Forget Trivia: Neuron's Synapses Remodel Themselves
Where would we be without our
ability to remember important
information or, for that matter,
to forget irrelevant details?
Thanks to the flexibility of the
... > full story
- more on:
Epigenetics: Plants Display 'Molecular Amnesia'
Plant researchers have announced a
major breakthrough in a
developmental process called
epigenetics. They have
demonstrated for the first time
the reversal of what is called
epigenetic silencing in plants. ... > full story
- more on:
Antioxidants Are Unlikely To Prevent Aging, Study Suggests
Diets and beauty products which
claim to have anti-oxidant
properties are unlikely to prevent
aging, according to new research.
Scientists in England say this is
because a key 50-year-old theory
... > full story
- more on:
Roll over headlines to view top news summaries:
- Dogs Chase Efficiently, Cats Creep Up On Prey
- Omega Centauri: The Glittering Giant
- Dirty Teeth Show Ancient Peruvians Ate Well
- Mice Made To Regrow Damaged Retina Nerve Cells
- Sun's Magnetic Field May Impact Weather
- New Giant Toothless Pterosaur Found
- Flexibility May Trump Fitness In Reproduction
- Memory: Neuron's Synapses Remodel Themselves
- Epigenetics: Plants Display 'Molecular Amnesia'
- Antioxidants Unlikely To Prevent Aging?
More Science Headlines
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2 am EST
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Scientists Developing Safer Food Allergy Treatment
December 4, 2008 — A European team of scientists are embarking on new research to develop food allergy treatments. Classical treatment with allergen-specific immunotherapy, where a patient received monthly injections ... > full story -
How Wildlife Corridors Work Over Time
December 4, 2008 — At the Savannah River Site in South Carolina, there are five strange looking "patches" cleared out of the surrounding forest. No, they're not crop circles carved by aliens. They're actually budding ... > full story -
Benefits Of Early HIV Testing And Treatment For Infected Infants Defined
December 4, 2008 — Testing very young babies for HIV and giving antiretroviral therapy immediately to those found infected with the virus dramatically prevents illness and death, according to a report in the New ... > full story -
Finding Baby Critically Endangered Goliath Grouper Fish Hiding In Mangroves With Help Of High-tech Sonogram
December 4, 2008 — Researchers have announced the world's first use of an acoustic underwater camera to survey juveniles of goliath grouper in mangrove ... > full story -
More Evidence Needed To Show ‘What Works’ In Prevention Of Child Abuse
December 4, 2008 — More evidence is needed to discover ‘what works’ to prevent child maltreatment, new research shows. Researchers examined all five major subtypes of child maltreatment – physical ... > full story
11 pm EST
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Gene Associated With Age-related Hearing Loss Identified
December 3, 2008 — Researchers discovered a common variant in the GRM7 gene, which they believe may be associated with susceptibility to glutamate excitotoxicity and hearing ... > full story -
Agriculture: Gray Mold's Killer Gene Discovered
December 3, 2008 — Gray mold is a gardener’s nightmare. The fungus, also known by its scientific name Botrytis cinerea, is a scourge to more than 200 agricultural and ornamental plant species, including staples ... > full story -
Crohn's Disease Surgeries Make Steady Advances
December 3, 2008 — Thousands of Americans suffering from the chronic inflammatory bowel condition known as Crohn's disease are leading longer, healthier lives due to innovative new surgeries, according to ... > full story -
Climate
Environmental Policies
Global Warming
Environmental Issues
Environmental Policy
World DevelopmentMost U.S. Organizations Not Adapting To Climate Change, Report Finds
December 3, 2008 — Organizations in the United States that are at the highest risk of sustaining damage from climate change are not adapting enough to the dangers posed by rising temperatures, according to a Yale ... > full story -
Psychiatric Disorders Common Among College-age Individuals; Few Seek Treatment
December 3, 2008 — Psychiatric disorders appear to be common among 18- to 24-year-olds, with overall rates similar among those attending or not attending college, according to a new report. Almost half of college-aged ... > full story
8 pm EST
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Diet May Regulate Obesity Health Risks, But Genes Decide, Says New Research
December 3, 2008 — The risk of obese people developing the metabolic syndrome that leads to diabetes, hypertension, and heart disease, can not be solved by a one-size-fits-all diet program, according to new scientific ... > full story -
Hands Free Mobile Phone Conversations Add Five Meters To Drivers' Braking Distances
December 3, 2008 — Psychology researchers reveals that mobile telephone conversations impair drivers' visual attention to such a degree that it can add over 5 meters to the braking distance of a car traveling at 60 ... > full story -
Curbing Hormones' Effects In Obese Patients Could Aid Against Breast Cancer
December 3, 2008 — Results from cell culture studies suggest a class of anticancer compounds called EGFR inhibitors, largely written off for breast cancers, could be effective in obese patients. The hormones leptin and ... > full story -
How Mosquitoes Avoid Succumbing To Viruses They Transmit
December 3, 2008 — Mosquitoes can spread viruses which cause disease without themselves getting sick. Scientists long thought that the mosquito didn't care whether it had a virus hitchhiker, but have now discovered, ... > full story -
Mental Health
Psychiatry
Mental Health Research
Depression
Disorders and Syndromes
Diseases and ConditionsNearly 5 Percent Of U.S. Population Suffers From Persistent Depression Or Anxiety
December 3, 2008 — In a first-of-its-kind study, researchers have developed estimates for both the prevalence of chronic psychiatric illness in the general population and how often individuals suffering from such ... > full story
5 pm EST
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How Brain Cells Can Survive A Stroke: Workings Of Emergency Brake In Brain
December 3, 2008 — Brain researchers have penetrated deeply into the innermost secrets of the brain to find out how brain cells can survive a stroke. Strokes are usually caused by occlusion of one of the blood vessels ... > full story -
Rescue Robot Exercise Brings Together Robots, Developers, First Responders
December 3, 2008 — NIST held a rescue robot exercise recently in Texas in which about three dozen robots were tested by developers and first responders in order to develop a standard suite of performance tests to help ... > full story -
Screening For Colorectal Cancer Detects Unrecognized Disease
December 3, 2008 — Screening for colorectal cancer detects four out of ten cancers and should be carefully designed to be more effective, according to a new ... > full story -
Energy and the Environment
Energy Technology
Renewable Energy
Environmental Science
Solar Energy
SustainabilityCarbon-neutral Way To Power Your Home
December 3, 2008 — Scientists are working toward a biofuel-driven, zero-carbon home energy system. It works by burning vegetable oil to power a generator and provide electricity for the ... > full story -
Exercise Helps Overweight Children Reduce Anger Expression
December 3, 2008 — Regular exercise seems to reduce anger expression in overweight but otherwise healthy children, researchers say. Aerobic exercise may be an effective strategy to help overweight kids reduce anger ... > full story
2 pm EST
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Mini Heart Attacks Lessen Damage From Major Ones
December 3, 2008 — Researchers have discovered one potential mechanism by which briefly cutting off, then restoring, blood flow prior to a heart attack lessens the damage caused. The work could lead to new drugs that ... > full story -
New Strategy For Broad Spectrum Anti-viral Drugs Developed
December 3, 2008 — Bavituximab, a newly developed anti-viral drug shows promise as a new strategy to fight viral diseases, including potential bioterrorism ... > full story -
Gene Mutation May Cause Immature Lungs In Newborns
December 3, 2008 — Scientists have identified a gene critical to lung maturation in newborns and the production of surfactant, which lines lung tissues and prevents the lungs from collapsing. Scientists deleted the ... > full story -
Particulate Emissions From Laser Printers
December 3, 2008 — Do laser printers emit pathogenic toner particles into the air? Some people are convinced that they do. As a result, this topic is the subject of public controversy. Researchers have now investigated ... > full story -
Training Doesn't Reduce Avalanche Risk When Skiing, Study Shows
December 3, 2008 — A new study of backcountry ski habits finds training has little impact on risk of being caught in an avalanche, and Americans have higher avalanche risk than ... > full story
11 am EST
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Gene Which Protects Against Lung Cancer Identified
December 3, 2008 — Scientists have identified a gene that protects the body from lung cancer. The research has found that the tumour suppressor gene, LIMD1, is responsible for protecting the body from developing lung ... > full story -
Bio-inspired Wing Design To Revolutionize Aircraft Flight
December 3, 2008 — It's a bird, it's a plane, it's ... both! While aircraft have always borne a resemblance to their feathered counterparts in the sky, new research is bringing the two even closer ... > full story -
Researchers Call For Fragile X Testing Throughout The Lifespan
December 3, 2008 — Researchers urge physicians to test for mutations of the fragile X gene in patients of all ages. That's because, after decades of research, it is clear that mutations in this gene cause a range of ... > full story -
Saying 'Cheese' For More Effective Border Security
December 3, 2008 — Researchers have found that several simple steps can significantly improve the quality of facial images that are acquired at border entry points such as airports and ... > full story -
Too Much Commitment May Be Unhealthy For Relationships, Professor Says
December 3, 2008 — Researchers report that partners who base their self-worth solely upon the outcomes of romantic interactions may experience depression and anxiety and ultimately undermine their ... > full story
8 am EST
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Some 'Good Cholesterol' Is Actually Bad, Study Shows
December 3, 2008 — If you think your levels of "good cholesterol" are good enough, a new study suggests that you may want to think again. Researchers show that good cholesterol (HDL) has varying degrees of quality and ... > full story -
Function Of Helical Band In Heart Detailed
December 3, 2008 — Scientists have created images of the heart's muscular layer that show, for the first time, the connection between the configuration of those muscles and the way the human heart contracts. More ... > full story -
Marked Improvement In Body Image, Physical Stamina, Post-surgical Pectus Patients Report
December 3, 2008 — Patients who have had surgical correction of a chest wall deformity commonly known as funnel chest report marked improvement in body image and ability to exercise, according to a new ... > full story -
Solar-powered Sea-slugs Live Like Plants
December 3, 2008 — The lowly sea slug, "Elysia chlorotica," may not seem like the most exciting of creatures, but don't be fooled: It behaves like a plant and is solar-powered, says a biologist who has been studying ... > full story -
Drop In Cancer Deaths Tied Primarily To Gains In Behavior And Screening
December 3, 2008 — Behavior change and improvements in screening have contributed equally and substantially to the 13 percent decline in cancer mortality rates, according to new research. Cancer treatment after ... > full story
5 am EST
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Vaccine Against Multiple Sclerosis? Mouse Experiment Yields Promising Results
December 3, 2008 — Researchers in Germany have succeeded in vaccinating mice with specially treated, autologous immune cells and preventing them from developing encephalitis, which is similar to multiple sclerosis in ... > full story -
Bone Mineral Content Shown In Various Anatomical Areas, Confirms Differences In Gender And Age
December 3, 2008 — Scientists in Spain have examined the patterns of total bone mineral content of the Spanish population in different areas of the body. The analysis is the first one of its kind undertaken in Spain ... > full story -
Novel Target For Therapeutics Against Staph Infection
December 3, 2008 — Researchers have uncovered how a bacterial pathogen interacts with the blood coagulation protein fibrinogen to cause methicillin-resistant Staphylococcus aureus infections, a finding that could aid ... > full story -
Laser Deposition Welding And Milling In A Single Machine
December 3, 2008 — Improving the productivity of machining processes is one of the basic requirements in every machine-tool engineering specification. Researchers in Germany have integrated a laser module into the tool ... > full story -
New Online Test For Depression
December 3, 2008 — A new universal test to predict the risk of someone succumbing to major depression has been developed. The online tool, predictD, could eventually be used by family doctors and local clinics to ... > full story
- View all the latest headlines and summaries, or browse by topic below:
Health & Biomedical Sciences
Health & Medicine
Gene Associated With Age-related Hearing Loss Identified
Researchers discovered a common variant in the GRM7 gene, which they believe may be associated with susceptibility to glutamate excitotoxicity and hearing ... > full story
Mind & Brain
Psychiatric Disorders Common Among College-age Individuals; Few Seek Treatment
Psychiatric disorders appear to be common among 18- to 24-year-olds, with overall rates similar among those attending or not attending college, according to a new report. Almost half of college-aged ... > full story
- Diet May Regulate Obesity Health Risks, But Genes Decide, Says New Research
- Nearly 5 Percent Of U.S. Population Suffers From Persistent Depression Or Anxiety
- How Brain Cells Can Survive A Stroke: Workings Of Emergency Brake In Brain
- Exercise Helps Overweight Children Reduce Anger Expression
- more stories
Living Well
Too Much Commitment May Be Unhealthy For Relationships, Professor Says
Researchers report that partners who base their self-worth solely upon the outcomes of romantic interactions may experience depression and anxiety and ultimately undermine their ... > full story
Biological & Earth Sciences
Plants & Animals
How Mosquitoes Avoid Succumbing To Viruses They Transmit
Mosquitoes can spread viruses which cause disease without themselves getting sick. Scientists long thought that the mosquito didn't care whether it had a virus hitchhiker, but have now discovered, ... > full story
Earth & Climate
Agriculture: Gray Mold's Killer Gene Discovered
Gray mold is a gardener’s nightmare. The fungus, also known by its scientific name Botrytis cinerea, is a scourge to more than 200 agricultural and ornamental plant species, including staples ... > full story
Fossils & Ruins
Iceman Oetzi's Last Supper
A new study identifies six different mosses from the Tyrolean Iceman's alimentary ... > full story
Physical & Applied Sciences
Space & Time
Fragments Of 10-tonne Space Rock Located In Canada From Nov. 20 Fireball
The remains of a 10-tonne asteroid that exploded in the sky near the Alberta/Saskatchewan border on November 20, 2008 have been located in a rural area near the city of ... > full story
Matter & Energy
Carbon-neutral Way To Power Your Home
Scientists are working toward a biofuel-driven, zero-carbon home energy system. It works by burning vegetable oil to power a generator and provide electricity for the ... > full story
Computers & Math
Hands Free Mobile Phone Conversations Add Five Meters To Drivers' Braking Distances
Psychology researchers reveals that mobile telephone conversations impair drivers' visual attention to such a degree that it can add over 5 meters to the braking distance of a car traveling at 60 ... > full story
