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Giant Galaxy-Packed Filament Revealed
Astronomers have discovered a
giant, galaxy-packed filament
ablaze with billions of new stars.
The filament is the first
structure of its kind spied in a
critical era of cosmic buildup
when colossal collections of
galaxies called superclusters
... > full story
- more on:
In Chemical Reactions, Water Adds Speed Without Heat
Scientists have discovered how
adding trace amounts of water can
tremendously speed up chemical
reactions -— such as
hydrogenation and hydrogenolysis
—- in which hydrogen is one
of the reactants, or starting
materials. ... > full story
- more on:
Forest Diversity from Canada to the Sub-Tropics Influenced by Family Proximity
How species diversity is
maintained is a fundamental
question in biology. Biologists
have shown for the first time that
diversity is influenced on a
spatial scale of unparalleled
... > full story
- more on:
Extended Daily Fasting Overrides Harmful Effects of a High-Fat Diet: Study May Offer Drug-Free Intervention to Prevent Obesity and Diabetes
It turns out that when we eat may
be as important as what we eat.
Scientists have found that regular
eating times and extending the
daily fasting period may override
the adverse health effects of a
... > full story
- more on:
Ancient Giant Turtle Fossil Was Size of Smart Car
Picture a turtle the size of a
Smart car, with a shell large
enough to double as a kiddie pool.
Paleontologists have found just
such a specimen -- the fossilized
remains of a 60-million-year-old
South American giant that lived in
what is now Colombia. ... > full story
- more on:
Parents Are Happier People: Parents Experience Greater Happiness and Meaning in Life Than Nonparents, Psychologists Find
Contrary to recent scholarship and
popular belief, parents experience
greater levels of happiness and
meaning in life than people
without children, according to
researchers. Parents also are
... > full story
- more on:
Three-Telescope Interferometry Allows Astrophysicists to Observe How Black Holes Are Fueled
By combining the light of three
powerful infrared telescopes,
scientists have observed the
active accretion phase of a
supermassive black hole in the
center of a galaxy tens of
... > full story
- more on:
Damaged Connections in Phineas Gage's Brain: Famous 1848 Case of Man Who Survived Accident Has Modern Parallel
In 1848, Phineas Gage survived an
accident that drove an iron rod
through his head. Researchers, for
the first time, used images of
Gage’s skull combined with
modern-day brain images to suggest
... > full story
- more on:
The Rhine Is Five Million Years Older Than First Thought: Age of the River Corrected Based on Fossils
Scientists have examined the age
of the Rhine based on fossils.
They have discovered that the
river is five million years older
than previously believed. ... > full story
- more on:
Head Impacts in Contact Sports May Reduce Learning in College Athletes
A new study suggests that head
impacts experienced during contact
sports such as football and hockey
may worsen some college
athletes’ ability to acquire
new information. ... > full story
- more on:
NASA Survey Counts Potentially Hazardous Asteroids
Observations from NASA's
Wide-field Infrared Survey
Explorer (WISE) have led to the
best assessment yet of our solar
system's population of potentially
hazardous asteroids. The results
reveal new information about their
... > full story
- more on:
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:
Roll over headlines to view top news summaries:
- Giant Galaxy-Packed Filament Revealed
- Chemical Reactions: Water Adds Speed, No Heat
- How Do Forests Maintain Species Diversity?
- Eat at the Right Time to Prevent Obesity
- Ancient Giant Turtle Fossil Revealed
- Parents Are Happier People, Psychologists Find
- Astrophysicists See How Black Holes Are Fueled
- Phineas Gage's Iron Rod Through Head Examined
- The Rhine Is 5 Million Years Old Than Thought
- Head Impacts in College Sports Can Cut Learning
- Survey Counts Potentially Hazardous Asteroids
- Are Pollutants Expanding Earth's Tropical Belt?
- more top science stories
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Top Medical News
Religion Is a Potent Force for Cooperation and Conflict, Research Shows
Across history and cultures, religion increases trust within groups but also may increase conflict with other groups, according to a new ... > full story
Top Technology News
Getting in Tune: Researchers Solve Tuning Problem for Wireless Power Transfer Systems
Researchers have developed a new way to fine-tune wireless power transfer (WPT) receivers, making the systems more efficient and functional. WPT systems hold promise for charging electric vehicles, electronic devices and other ... > full story
Top Environment News
New Technique Reveals Unseen Information in DNA Code
Scientists have used a new technique to map 5-methylcytosine (5-mC) and 5-hydroxymethylcytosine (5-hmC) in DNA from human and mouse embryonic stem cells, revealing new information about their patterns of distribution. These studies have revealed ... > full story
More Science Headlines
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5 pm EDT
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Nutrition; Staying Healthy; Diet and Weight Loss; Public Health; Diseases and Conditions; Health Policy;
20 Percent 'Fat Tax' Needed to Improve Population Health, Experts Say
May 15, 2012 — Taxes on unhealthy food and drinks would need to be at least 20 percent to have a significant effect on diet-related conditions such as obesity and heart disease, say experts on bmj.com today. Ideally, this should be combined with subsidies on ... > full story -
Cholesterol; Heart Disease; Diseases and Conditions; Vioxx; Personalized Medicine; Stroke Prevention;
Not All 'Good Cholesterol' Is 'Good': Raising HDL Not a Sure Route to Countering Heart Disease
May 16, 2012 — Medical researchers explored naturally occurring genetic variations in humans to test the connection between HDL levels and heart attack. By studying the genes of roughly 170,000 individuals, the team discovered that, when examined together, the 15 ... > full story -
Children With Cancer Have Complete Responses in a COG Phase 1 Trial: Pills Zero in on Abnormal Genes That Drive Specific Cancers
May 16, 2012 — A pill designed to zero in on abnormal genes that drive specific cancers has produced encouraging early results in children with an uncommon but aggressive type of lymphoma, as well as in children with a rare form of ... > full story -
Nine New Breast Cancer Risk Genes: Landscape of Cancer Genes and Mutational Processes in Breast Cancer Complicated
May 16, 2012 — Researchers have described nine new genes that drive the development of breast cancer. This takes the tally of all genes associated with breast cancer development to ... > full story -
Sunscreens Remain Safe, Effective Form of Sun Protection, Experts Say
May 15, 2012 — The American Academy of Dermatology today reiterated the safety and effectiveness of sunscreens to protect against the damaging effects from exposure to ultraviolet (UV) radiation. As one component of a daily sun-protection strategy, sunscreen is an ... > full story
2 pm EDT
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Health Policy; HIV and AIDS; Public Health; Diseases and Conditions; World Development; Sexual Health;
740,000 Lives Saved: Benefits of AIDS Relief Program
May 15, 2012 — The US President's Emergency Plan for AIDS Relief, the government's far-reaching health-care foreign aid program, has contributed to a significant decline in adult death rates from all causes in Africa, according to a new ... > full story -
Why Omega-3 Oils Help at the Cellular Level
May 15, 2012 — For the first time, researchers have peered inside a living mouse cell and mapped the processes that power the celebrated health benefits of omega-3 fatty acids. More profoundly, they say their findings suggest it may be possible to manipulate these ... > full story -
High Doses of Certain Dietary Supplements Increase Cancer Risk
May 15, 2012 — Beta-carotene, selenium and folic acid -- taken up to three times their recommended daily allowance, these supplements are probably harmless. But taken at much higher levels as some supplement manufacturers suggest, these three supplements have now ... > full story -
New Biomarker Test Predicts Arthritis Before Symptoms Appear
May 15, 2012 — A research team has found a way to detect and predict arthritis before patients begin suffering from ... > full story -
All Cancer Cells Are Not Created Equal: Some Cell Types Control Continued Tumor Growth, Others Prepare the Way for Metastasis
May 15, 2012 — New researchers suggests that specific populations of tumor cells have different roles in the process by which tumors make new copies of themselves and ... > full story
11 am EDT
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Protein Inhibitor Points to Potential Medical Treatments for Skull and Skin Birth Defects
May 15, 2012 — Researchers have found new clues in the pathogenesis of skull and skin birth defects associated with a rare genetic disorder, Beare-Stevenson cutis gyrata syndrome ... > full story -
Maps of Miscanthus Genome Offer Insight Into Grass Evolution
May 15, 2012 — Miscanthus grasses are used in gardens, burned for heat and energy, and converted into liquid fuels. They also belong to a prominent grass family that includes corn, sorghum and sugarcane. Two new, independently produced chromosome maps of ... > full story -
Palpitations Are Predictive of Future Atrial Fibrillation
May 15, 2012 — A large cohort study has found that the strongest risk factors for atrial fibrillation in both men and women were a history of palpitations and hypertension. While hypertension is a well known risk factor for AF, the investigators note that "the ... > full story -
'Fertilizing' Bone Marrow Helps Answer Why Some Cancers Spread to Bones
May 15, 2012 — Researchers found that administering a common chemotherapy drug before bone tumors took root actually fertilized the bone marrow, enabling cancer cells, once introduced, to seed and grow more ... > full story -
When Does Planning Interfere With Achieving Our Goals?
May 16, 2012 — It seems really simple: If you want to achieve something, set a goal and then make specific plans to implement it. But according to a new study consumers get overwhelmed while juggling multiple ... > full story
8 am EDT
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Internet Usage Patterns May Signify Depression
May 16, 2012 — In a new study analyzing Internet usage among college students, researchers have found that students who show signs of depression tend to use the Internet differently than those who show no symptoms of ... > full story -
Biologists Produce Potential Malarial Vaccine from Algae
May 16, 2012 — Biologists have succeeded in engineering algae to produce potential candidates for a vaccine that would prevent transmission of the parasite that causes ... > full story -
You Are What You Eat: Why Do Male Consumers Avoid Vegetarian Options?
May 16, 2012 — 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 -
Listening to Chickens Could Improve Poultry Production
May 16, 2012 — 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 -
People With Paralysis Control Robotic Arms to Reach and Grasp Using Brain Computer Interface
May 16, 2012 — 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 neural interface system, an investigational device currently ... > full story
5 am EDT
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Sumatra Faces Yet Another Risk: Major Volcanic Eruptions
May 16, 2012 — The early April earthquake of magnitude 8.6 that shook Sumatra was a grim reminder of the devastating earthquakes and tsunami that killed tens of thousands of people in 2004 and 2005. Now a new study shows that the residents of that region are at ... > full story -
Alzheimer's Gene Causes Brain's Blood Vessels to Leak Toxins and Die
May 16, 2012 — 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 amounts, scientists ... > full story -
Human Genes Transplanted Into Zebrafish: Helps Identify Genes Related to Autism, Schizophrenia and Obesity
May 16, 2012 — 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 autism and possibly schizophrenia and childhood ... > full story -
Colorful Butterflies Increase Their Odds of Survival by Sharing Traits
May 16, 2012 — 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 ... > full story -
Let's Get Moving: Unraveling How Locomotion Starts
May 16, 2012 — Scientists have shed new light on one of the great unanswered questions of neuroscience: How the brain initiates rhythmic movements like walking, running and ... > full story
2 am EDT
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Microscope Looks Into Cells of Living Fish
May 16, 2012 — 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 ... > full story -
Plant Growth Without Light Control
May 16, 2012 — Plants are dependent on the sun. Sunlight does not only supply them with energy, but also controls their development steps. So-called photoreceptors activate the processes of germination, leaf development, bud formation, and blossoming in the cells. ... > full story -
Character Traits Determined Genetically? Genes May Hold the Key to a Life of Success, Study Suggests
May 16, 2012 — Genes play a greater role in forming character traits -- such as self-control, decision making or sociability -- than was previously thought, new research ... > full story -
Ancient Tree-Ring Records from Southwest U.S. Suggest Today's Megafires Are Truly Unusual
May 16, 2012 — 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 and fire data from two distinct climate periods. Researchers ... > full story -
Common Fungicide Wreaks Havoc on Freshwater Ecosystems
May 16, 2012 — A new study on chlorothalonil, one of the world's most common fungicides, shows it was lethal to a wide variety of freshwater ... > full story
11 pm EDT
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Chocolate and Diamonds: Why Volcanoes Could Be 'a Girl's Best Friend'
May 16, 2012 — 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 investigated how a process ... > full story -
Full Control of Plastic Transistors
May 16, 2012 — Transistors made of plastic can be controlled with great precision, according to a new ... > full story -
Sulfur Finding May Hold Key to Gaia Theory of Earth as Living Organism
May 15, 2012 — Is Earth really a sort of giant living organism as the Gaia hypothesis predicts? A new discovery may provide a key to answering this question. This key of sulfur could allow scientists to unlock heretofore hidden interactions between ocean ... > full story -
Hidden Lives of Elephant Seals: Record-Setting Dive More Than a Mile Deep
May 15, 2012 — The same researchers who pioneered the use of satellite tags to monitor the migrations of elephant seals have compiled one of the largest datasets available for any marine mammal species, revealing their movements and diving behavior at sea in ... > full story -
Ancient Sea Reptile With Gammy Jaw Suggests Dinosaurs Got Arthritis Too
May 15, 2012 — Imagine having arthritis in your jaw bones ... if they're over 2 meters long! A new study has found signs of a degenerative condition similar to human arthritis in the jaw of a pliosaur, an ancient sea reptile that lived 150 million years ago. Such ... > full story
8 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 -
Environmental Policies; Hypertension; Heart Disease; Sports Medicine; Blood Clots; Workplace Health;
Air Pollution Level Changes in Beijing Linked With Biomarkers of Cardiovascular Disease
May 15, 2012 — During the 2008 Beijing Olympics, changes in air pollution were associated with changes in biomarkers of systemic inflammation and thrombosis (formation of blood clot) as well as measures of cardiovascular physiology in healthy young persons, ... > full story -
New Look at Prolonged Radiation Exposure: At Low Dose-Rate, Radiation Poses Little Risk to DNA, Study Suggests
May 15, 2012 — A new study suggests that the guidelines governments use to determine when to evacuate people following a nuclear accident may be too ... > full story -
Drugs from Gila Monster Lizard Saliva Reduces Cravings for Chocolate and Ordinary Food
May 15, 2012 — A drug made from the saliva of the Gila monster lizard is effective in reducing the craving for food. Researchers have tested the drug on rats, who after treatment ceased their cravings for both food and ... > full story -
This Is Your Brain on Sugar: Study in Rats Shows High-Fructose Diet Sabotages Learning, Memory
May 15, 2012 — A new study is the first to show how a diet steadily high in fructose slows the brain, hampering memory and learning -- and how omega-3 fatty acids can minimize the ... > full story
Health & Biomedical Sciences
Health & Medicine
Delivery System for Gene Therapy May Help Treat Arthritis
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
Mind & Brain
Mystery Gene Reveals New Mechanism for Anxiety Disorders
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
Living Well
Can Consumers 'Fit In' Yet Remain Unique?
Most consumers want to fit in while still asserting their individuality -- and they balance these conflicting desires when choosing products, according to a new ... > full story
- Trusting Tiger Woods: How Do Facial Cues Affect Preference and Trust?
- 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
- People See Sexy Pictures of Women as Objects, Not People; Sexy-Looking Men as People
- more stories
Biological & Earth Sciences
Plants & Animals
Mice With Big Brains Provide Insight Into Brain Regeneration and Developmental Disorders
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
Earth & Climate
Tiny Plants Could Cut Costs, Shrink Environmental Footprint
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
Fossils & Ruins
First Ever Record of Insect Pollination from 100 Million Years Ago
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
Physical & Applied Sciences
Space & Time
Black Holes Turn Up the Heat for the Universe
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
Matter & Energy
New 'Metamaterial' Practical for Optical Advances
Researchers have taken a step toward overcoming a key obstacle in commercializing "hyperbolic metamaterials," structures that could bring optical advances including ultrapowerful microscopes, computers and solar ... > full story
- Ultrasensitive Biosensor Promising for Medical Diagnostics
- Beyond the High-Speed Hard Drive: Topological Insulators Open a Path to Room-Temperature Spintronics
- Watching the 'Birth' of an Electron: Ionization Viewed With 10 Attosecond Resolution
- Chicago Police Cameras More Effective When Clustered
- 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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