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Cosmic Swirly Straws: Galaxies Fed by Funnels of Fuel
Computer simulations of galaxies growing over billions of years have revealed a likely scenario for how they feed: a cosmic version of swirly straws. The results show that cold gas -- fuel ...full story -
Advanced Biological Computer Developed
Using only biomolecules, scientists have developed and constructed an advanced biological transducer, a computing machine capable of manipulating genetic codes, and using the output as new ...full story -
Why Early Human Ancestors Took to Two Feet
A new study by archaeologists challenges evolutionary theories behind the development of our earliest ancestors from tree dwelling quadrupeds to upright bipeds capable of walking and ...full story -
Detection of the Cosmic Gamma Ray Horizon: Measures All the Light in the Universe Since the Big Bang
Radiation from all galaxies that ever existed suffuses the universe with a diffuse extragalactic background light (EBL). Measuring the EBL is as fundamental to cosmology as measuring heat ...full story -
Monkey Teeth Help Reveal Neanderthal Weaning
Most modern human mothers wean their babies much earlier than our closest primate relatives. But what about our extinct relatives, the Neanderthals? A team of U.S. and Australian ...full story -
Bacterium from Canadian High Arctic Offers Clues to Possible Life on Mars
The recent discovery of a bacterium that is able to thrive at minus 15 degrees Celsius, the coldest temperature ever reported for bacterial growth, is exciting because it offers clues about ...full story -
Drug Reverses Alzheimer's Disease Deficits in Mice
An anti-cancer drug reverses memory deficits in an Alzheimer's disease mouse model, new research shows. The article reviewed previously published findings on the drug bexarotene, approved ...full story -
Molecule That Triggers Sensation of Itch Discovered
Scientists report they have discovered in mouse studies that a small molecule released in the spinal cord triggers a process that is later experienced in the brain as the sensation of ...full story -
Accurate Distance Measurement Resolves Major Astronomical Mystery
Astronomers have resolved a major problem in their understanding of a class of stars that undergo regular outbursts by accurately measuring the distance to a famous example of the ...full story -
Earth's Mantle Affects Long-Term Sea-Level Rise Estimates
New findings reveal that the U.S. shoreline -- from Virginia to Florida -- has been uplifted by more than 210 feet, meaning less ice melted than expected. This is big news for scientists ...full story
- Cosmic Swirly Straws: Funnels Feed Galaxies
- Advanced Biological Computer Developed
- Why Early Human Ancestors Took to Two Feet
- All Universe's Light Since Big Bang Measured
- Monkey Teeth Help Reveal Neanderthal Weaning
- Arctic Life: Clues to Possible Life On Mars
- Drug Reverses Alzheimer's Deficits in Mice
- Molecule That Triggers Sensation of Itch Found
- Stellar Outbursts: Astronomical Mystery Solved
- Earth's Mantle Affects Long-Term Sea-Level Rise
Two Volcanoes Erupting in Alaska: Scientists Are Monitoring and Providing Alerts on Pavlof and Cleveland Volcanoes
Two of Alaska's most active
volcanoes -- Pavlof and Cleveland
-- are currently erupting. At the
time of this post, their activity
continues at low levels, but
energetic explosions could occur
... > full story
- more on:
Active or 'Extremely Active' Atlantic Hurricane Season Predicted for 2013
In its 2013 Atlantic hurricane
season outlook issued today,
NOAA's Climate Prediction Center
is forecasting an active or
extremely active season this year. ... > full story
- more on:
Facial-Recognition Technology Proves Its Mettle
In a study that evaluated some of
the latest in automatic facial
recognition technology,
researchers were able to quickly
identify one of the Boston
Marathon bombing suspects from law
enforcement video, an experiment
that demonstrated the value of
... > full story
- more on:
Biophysicists Measure Mechanism That Determines Fate of Living Cells
For the first time, biophysicists
have measured the molecular force
required to mechanically transmit
function-regulating signals within
a cell. A new laboratory method,
named the tension gauge tether
approach, has made it possible to
... > full story
- more on:
Scientists Offer First Definitive Proof of Bacteria-Feeding Behavior in Green Algae
Researchers have captured images
of green alga consuming bacteria,
offering a glimpse at how early
organisms dating back more than 1
billion years may have acquired
free-living photosynthetic cells.
... > full story
- more on:
White Tiger Mystery Solved: Coat Color Produced by Single Change in Pigment Gene
White tigers today are only seen
in zoos, but they belong in
nature, say researchers reporting
new evidence about what makes
those tigers white. Their
spectacular white coats are
... > full story
- more on:
Motion Quotient: IQ Predicted by Ability to Filter Visual Motion
A brief visual task can predict
IQ, according to a new study. This
surprisingly simple exercise
measures the brain’s
unconscious ability to filter out
visual movement. The study shows
that individuals whose brains are
... > full story
- more on:
Hubble Reveals the Ring Nebula’s True Shape
The Ring Nebula's distinctive
shape makes it a popular
illustration for astronomy books.
But new observations by NASA's
Hubble Space Telescope of the
glowing gas shroud around an old,
dying, sun-like star reveal a new
twist. ... > full story
- more on:
Hidden Population of Exotic Neutron Stars
Magnetars -- the dense remains of
dead stars that erupt sporadically
with bursts of high-energy
radiation -- are some of the most
extreme objects known in the
Universe. A major campaign using
NASA's Chandra X-ray Observatory
and several other satellites shows
... > full story
- more on:
Flat Spray-on Optical Lens Created
Engineers have made a breakthrough
utilizing spray-on technology that
could revolutionize the way
optical lenses are made and used. ... > full story
- more on:
The Secret Lives (and Deaths) of Neurons
Researchers have uncovered
surprising insights about how
nerve cells rewire themselves,
shedding light on a process linked
with neurodegenerative diseases
and neurodevelopmental disorders
like schizophrenia and autism. ... > full story
- more on:
Depression Linked to Telomere Enzyme, Aging, Chronic Disease
The first symptoms of major
depression may be behavioral, but
the common mental illness is based
in biology — and not limited
to the brain, new research
suggests. ... > full story
- more on:
- Two Volcanoes Erupting in Alaska
- Active Atlantic Hurricane Season Eyed for 2013
- Facial-Recognition Technology Proves Its Mettle
- Biophysicists Measure Fate of Living Cells
- Bacteria-Feeding in Green Algae Confirmed
- White Tiger Mystery Solved: It's in the Genes
- IQ Predicted by Ability to Filter Visual Motion
- Hubble reveals the Ring Nebula’s true shape
- Hidden Population of Exotic Neutron Stars
- Flat Spray-On Optical Lens Created
- The Secret Lives (And Deaths) of Neurons
- Depression Linked to Telomere Enzyme, Aging
- more top science stories
Top Medical News
Driving and Hands-Free Talking Lead to Spike in Errors
A pilot study shows driving while talking on a hands-free cellular device leads to more driving errors than driving ... > full story
- Consumers Largely Underestimating Calorie Content of Fast Food
- Statin Use Is Linked to Increased Risk of Developing Diabetes, Warn Researchers
- Diabetes' Genetic Underpinnings Can Vary Based on Ethnic Background
- Heart Healthy Lifestyle May Cut Kidney Disease Patients' Risk of Kidney Failure
- more top health stories
Top Technology News
Perfect Skin: More Touchy-Feely Robots
Robots could become a lot more 'sensitive' thanks to new artificial skins and sensor technologies. Leading to better robotic platforms that could one day be used in industry, hospitals and even at ... > full story
- Research Effort Deep Underground Could Sort out Cosmic-Scale Mysteries
- Researchers Design Photobioreactor to Produce Biofuel from Algae
- Nano-Needles for Cells: Tiny Needles Can Force Medicine Into Cells, Even When They Resist Taking It
- New Filtration Material Could Make Petroleum Refining Cheaper, More Efficient
- more top technology stories
Top Environment News
King Richard III Found in 'Untidy Lozenge-Shaped Grave'
A new article on the archaeology of the Search for Richard III reveals for the first time specific details of the grave dug for King Richard III and discovered under a car park in ... > full story
- Serengeti Road Divides Biologists: Will a Road Across the Northern Tier of Serengeti National Park Ruin It?
- Tomatoes: The World's Favorite Fruit, Only Better-Tasting and Longer-Lasting
- Reforestation Study Shows Trade-Offs Between Water, Carbon and Timber
- New Target to Boost Plant Resistance to Insects and Pathogens Identified
- more top environment stories
More Science Headlines
Updated 1 hour 45 minutes ago | Next update in 1 hour 15 minutes
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2 pm EDT
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Diabetes; Diseases and Conditions; Hypertension; Hormone Disorders; Personalized Medicine; Chronic Illness;
Youth With Type 2 Diabetes at Much Higher Risk for Heart, Kidney Disease
May 24, 2013 — The news about youth and diabetes keeps getting worse. The latest data shows that children with type 2 diabetes are at high risk to develop heart, kidney and eye problems faster and at a higher rate than adults with ... > full story -
New Fluorescent Tools for Cancer Diagnosis
May 24, 2013 — Researchers have developed a multicolor fluorescence labeling method that can be used to visualize miRNAs in tissue sections, such as those recovered from ... > full story -
Modulating the Immune System to Combat Metastatic Cancer
May 24, 2013 — Researchers have found that regulatory T cells that infiltrate tumors express proteins that can be targeted with therapeutic ... > full story -
Hormone Levels May Provide Key to Understanding Psychological Disorders in Women
May 24, 2013 — Women at a particular stage in their monthly menstrual cycle may be more vulnerable to some of the psychological side-effects associated with stressful experiences, according to a study from ... > full story -
Discovery of How a Key Enzyme of the Spliceosome Exerts Its Controlling Function
May 24, 2013 — To sustain life, processes in biological cells have to be strictly controlled both in time and in space. Researchers have elucidated a previously unknown mechanism that regulates one of the essential processes accompanying gene expression in higher ... > full story
11 am EDT
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Help at Hand for Schizophrenics
May 24, 2013 — How can healthy people who hear voices help schizophrenics? Finding the answer for this is at the center of research conducted by a group of scientists in ... > full story -
Immune Cell Activation in Multiple Sclerosis: New Indicator Molecules Visualize Activation of Auto-Aggressive T Cells
May 24, 2013 — Biological processes are generally based on events at the molecular and cellular level. To understand what happens in the course of infections, diseases or normal bodily functions, scientists would need to examine individual cells and their activity ... > full story -
New Insights Contradict Promising Alzheimer's Research
May 24, 2013 — Approximately a year ago, the journal Science published an article about bexarotene as a potential Alzheimer's drug -- a significant breakthrough and an important starting point for further Alzheimer's research. Now other researchers have tested ... > full story -
Cause of Infantile Amnesia Revealed: New Neuron Formation Could Increase Capacity for New Learning, at Expense of Old Memories
May 24, 2013 — New research presented today shows that formation of new neurons in the hippocampus -- a brain region known for its importance in learning and remembering -- could cause forgetting of old memories by causing a reorganization of existing brain ... > full story -
New Method for Predicting Cancer Virulence
May 24, 2013 — A new way of tackling cancer and predicting tumor virulence are has been reported by a team of researchers. The scientists have shown that, in all cancers, an aberrant activation of numerous genes specific to other tissues occurs. For example, in ... > full story
8 am EDT
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Nervous System; Parkinson's Research; Parkinson's; Neuroscience; Disorders and Syndromes; Chronic Illness;
Proteins in Migration: New Animal Model Provides Important Clues on Mechanisms of Parkinson's Disease
May 24, 2013 — Scientists have developed a novel experimental model that reproduces for the first time this pattern of alpha-synuclein brain spreading and provides important clues on the mechanisms underlying this pathological process. They triggered the ... > full story -
A New Strategy Required in the Search for Alzheimer's Drugs?
May 24, 2013 — In the search for medication against Alzheimer's disease, scientists have focused on -- among other factors -- drugs that can break down Amyloid beta (A-beta). After all, it is the accumulation of A-beta that causes the known plaques in the brains ... > full story -
New Microsphere-Based Methods for Detecting HIV Antibodies
May 24, 2013 — Detection of HIV antibodies is used to diagnose HIV infection and monitor trials of experimental HIV/AIDS vaccines. New, more sensitive detection systems being developed use microspheres to capture HIV antibodies and can measure even small amounts ... > full story -
Brain Tumor; Cancer; Personalized Medicine; Alzheimer's Research; Women's Health; Diseases and Conditions;
Infantile Myofibromatosis: First Drug Targets in Childhood Genetic Tumor Disorder
May 24, 2013 — Two mutations central to the development of infantile myofibromatosis (IM) -- a disorder characterized by multiple tumors involving the skin, bone, and soft tissue—may provide new therapeutic targets, according to ... > full story -
Scientists Make Breast Cancer Advance That Turns Previous Thinking on Its Head
May 23, 2013 — Scientists have made an advance in breast cancer research which shows how some enzymes released by cancerous cells could have a protective ... > full story
5 am EDT
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Research Identifies a Way to Make Cancer Cells More Responsive to Chemotherapy
May 23, 2013 — Breast cancer characterized as "triple negative" carries a poor prognosis, with limited treatment options. In some cases, chemotherapy doesn't kill the cancer cells the way it's supposed to. New research explains why some cancer cells don't respond ... > full story -
New Discovery in Fight Against Deadly Meningococcal Disease: Understanding the Pathway of How the Bacterium Colonizes People
May 23, 2013 — Neisseria meningitidis is an important human pathogen that can cause rapidly progressing, life threatening meningitis and meningococcal sepsis in humans, according to authors of a new study. People can be carriers of the bug and not get any ... > full story -
Technique to Detect Breast Cancer in Urine Developed
May 23, 2013 — Medical researchers have developed a new screening method that uses urinalysis to diagnose breast cancer – and determine its severity – before it could be detected with a ... > full story -
Noninvasive Detection, Diagnosis of Oral Cancer
May 23, 2013 — More effective detection and diagnosis of oral cancer could result from an advance in noninvasive imaging of epithelial tissue. The research is thought to have the potential to change the way doctors look for precancerous and cancerous areas in a ... > full story -
Vaccine Blackjack: IL-21 Critical to Fight Against Viral Infections
May 23, 2013 — Scientists have shown that an immune regulatory molecule called IL-21 is needed for long-lasting antibody responses in mice against viral ... > full story
2 am EDT
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Cradle Turns Smartphone Into Handheld Biosensor
May 23, 2013 — Researchers and physicians in the field could soon run on-the-spot tests for environmental toxins, medical diagnostics, food safety and more with their smartphones. Researchers have developed a cradle and app for the iPhone that uses the phone's ... > full story -
Discarded Immune Cells Induce the Relocation of Stem Cells
May 23, 2013 — The study reveals a surprising coordination between two fundamental body systems, the immune and the hematopoietic. The study has implications for the understanding of metastasis, because malignant stem cells involved in tumor formation could take ... > full story -
Powerful New Method IDs Therapeutic Antibodies
May 23, 2013 — Scientists have devised a powerful new technique for finding antibodies that have a desired biological effect. The newly reported technique should greatly speed the process of discovering medicines, diagnostics and laboratory ... > full story -
Schools Should Provide Students With Daily Physical Activity, Experts Say
May 23, 2013 — A new report from the Institute of Medicine says schools should be responsible for helping pupils engage in at least 60 minutes of vigorous or moderate intensity activity during each school ... > full story -
Asthma; Diseases and Conditions; Allergy; Personalized Medicine; Chronic Illness; Today's Healthcare;
Common Childhood Asthma Not Rooted in Allergens, Inflammation
May 23, 2013 — Allergens? No. Inflammation? No. An over-active gene that interrupts lipid synthesis appears to be the cause of 20-30% childhood asthma ... > full story
11 pm EDT
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Genomic Analysis Lends Insight to Prostate Cancer
May 23, 2013 — Researchers have used next generation genomic analysis to determine that some of the more aggressive prostate cancer tumors have similar genetic origins, which may help in predicting cancer ... > full story -
When Oxygen Is Short, EGFR Prevents Maturation of Cancer-Fighting miRNAs
May 23, 2013 — Even while being dragged to its destruction inside a cell, a cancer-promoting growth factor receptor fires away, sending signals that thwart the development of tumor-suppressing microRNAs before it's dissolved, researchers have ... > full story -
Scientists Discover How Rapamycin Slows Cell Growth
May 23, 2013 — University of Montreal researchers have discovered a novel molecular mechanism that can potentially slow the progression of some cancers and other diseases of abnormal growth. In the May 23 edition of the prestigious journal Cell, scientists have ... > full story -
Cinnamon Compound Has Potential Ability to Prevent Alzheimer's
May 23, 2013 — Cinnamon: Can the red-brown spice with the unmistakable fragrance and variety of uses offer an important benefit? The common baking spice might hold the key to delaying the onset of -- or warding off -- the effects of Alzheimer's ... > full story -
A Quantum Simulator for Magnetic Materials
May 23, 2013 — Physicists have developed a quantum simulator that allows arranging atoms in a way that they mimic the behavior of electrons in magnetic materials. The experiment opens up the possibility of systematically studying poorly understood properties of ... > full story
8 pm EDT
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Gold Nanocrystal Vibration Captured on Billion-Frames-Per-Second Film
May 23, 2013 — A billon-frames-per-second film has captured the vibrations of gold nanocrystals in stunning detail for the first ... > full story -
New Screening Approach Uncovers Potential Alternative Drug Therapies for Neuroblastoma
May 23, 2013 — Nearly two-thirds of patients with high-risk neuroblastoma -- a common tumor that forms in the nerve cells of children -- cannot be cured using tumor-killing cancer drugs. A new study reveals a new genomic approach to screen for compounds that ... > full story -
Alzheimer's Research; Alzheimer's; Dementia; Diseases and Conditions; Personalized Medicine; Healthy Aging;
Multiple Research Teams Unable to Confirm High-Profile Alzheimer's Study
May 23, 2013 — Teams of highly respected Alzheimer’s researchers failed to replicate what appeared to be breakthrough results for the treatment of this brain disease when they were published last year in the journal ... > full story -
Ferrets, Pigs Susceptible to H7N9 Avian Influenza Virus
May 23, 2013 — Chinese and US scientists have used a virus isolated from a person who died from H7N9 avian influenza infection to determine whether the virus could infect and be transmitted between ferrets. Ferrets are often used as a mammalian model in influenza ... > full story -
Stitching Defects Into World’s Thinnest Semiconductor
May 23, 2013 — Researchers have grown high-quality crystals of molybdenum disulfide, the world's thinnest semiconductor, and studied how these crystals stitch together at the atomic scale to form continuous sheets, gaining key insights into the optical and ... > full story
5 pm EDT
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Regenerating Spinal Cord Fibers May Be Treatment for Stroke-Related Disabilities
May 23, 2013 — A new study finds "substantial evidence" that a regenerative process involving damaged nerve fibers in the spinal cord could hold the key to better functional recovery by most stroke victims. The findings may offer new hope to those who suffer ... > full story -
First Successful Treatment of Pediatric Cerebral Palsy With Autologous Cord Blood: Awoken from a Persistent Vegetative State
May 23, 2013 — Medics have succeeded in treating cerebral palsy with autologous cord blood. Following a cardiac arrest with severe brain damage, a two-and-a-half year old boy had been in a persistent vegetative state -- with minimal chances of survival. Just two ... > full story -
Chemists Find New Compounds to Curb Staph Infection
May 23, 2013 — In an age when microbial pathogens are growing increasingly resistant to the conventional antibiotics used to tamp down infection, scientists have synthesized a potent new class of compounds capable of curbing the bacteria that cause staph ... > full story -
Pay Attention: How We Focus and Concentrate
May 23, 2013 — Scientists have shed new light on how the brain tunes in to relevant ... > full story -
Spheres Can Form Squares
May 23, 2013 — Everybody who has tried to stack oranges in a box knows that a regular packing of spheres in a flat layer naturally leads to a hexagonal pattern, where each sphere is surrounded by six neighbours in a honeycomb-like fashion. Researchers now report ... > full story
Health & Biomedical Sciences
Health & Medicine
New Mechanism for Estrogen Suppression of Liver Lipid Synthesis
By discovering the new mechanism by which estrogen suppresses lipid synthesis in the liver, endocrinologists have revealed a potential new approach toward treating certain liver ... > full story
- Death Rates Decline for Advanced Heart Failure Patients, but Outcomes Are Still Not Ideal
- Scientists Put Bowel Cancer Under the Microscope
- Hormone Replacement Therapy: British Menopause Society and Women's Health Concern Release Updated Guidelines
- New Recommendations for Management of High Blood Glucose in Hospitalized Patients
- more stories
Mind & Brain
MRI-Based Measurement Helps Predict Vascular Disease in the Brain
Aortic arch pulse wave velocity, a measure of arterial stiffness, is a strong independent predictor of disease of the vessels that supply blood to the brain, according to a new ... > full story
Living Well
Students Perform Well Regardless of Reading Print or Digital Books
Students did equally well on a test whether reading from a digital book or a printed one, new research ... > full story
- Young Children Who Miss Well-Child Visits Are More Likely to Be Hospitalized
- More Than One in Five Parents Believe They Have Little Influence in Preventing Teens from Using Illicit Substances
- 'Boys Will Be Boys' in U.S., but Not in Asia
- Fetch, Boy! Study Shows Homes With Dogs Have More Types of Bacteria
- more stories
Biological & Earth Sciences
Plants & Animals
Research Aims for Insecticide That Targets Malaria Mosquitoes
A team of scientists is working toward an insecticide that would target malaria-carrying mosquitoes but do no harm to other ... > full story
Earth & Climate
Researchers Search for Best Feed for the 'King' of the Rivers
The red mahseer is highly sought after by anglers and high end restaurants. Breeding them may be a bit easier now that researchers in Malaysia have found the best feed ... > full story
Fossils & Ruins
What the Smallest Infectious Agents Reveal About Evolution
Radically different viruses share genes and are likely to share ancestry, according to new research. The comprehensive phylogenomic analysis compares giant viruses that infect amoeba with tiny viruses known as virophages and to several groups of ... > full story
- Small, Speedy Plant-Eater Extends Knowledge of Dinosaur Ecosystems
- New Archaeological 'High Definition' Sourcing Sharpens Understanding of the Past
- Allosaurus Fed More Like a Falcon Than a Crocodile: Engineering, Anatomy Work Reveals Differences in Dinosaur Feeding Styles
- Origins of Human Culture Linked to Rapid Climate Change
- more stories
Physical & Applied Sciences
Space & Time
Spectacular Stellar Nursery: ESO's Very Large Telescope Celebrates 15 Years of Success
With this new view of a spectacular stellar nursery ESO is celebrating 15 years of the Very Large Telescope — the world's most advanced optical instrument. This picture reveals thick clumps of dust silhouetted against the pink glowing gas ... > full story
Matter & Energy
How Playing Surfaces Affect Athletic Performance, Injury Potential
Students have been jumping up and down for weeks on a variety of playing surfaces in a study to evaluate how each affects athletic performance and injury ... > full story
- Observation of Skyrmions (Magnetic Vortex Structures) in a Ferromagnet With Centrosymmetry
- New Coating Method Accelerates Bonding With Bone Three Times Faster
- Formation of Functionalized Nanowires by Control of Self-Assembly Using Multiple Modified Amyloid Peptides
- Supersonic Laminar Flow Tests Continue on NASA's F-15B
- more stories
Computers & Math
Making Chaos Visible: As Chaos Celebrates Its 50th Birthday, Biophysicist Christian Herbst Develops a New Method to Visualize It
Exactly 50 years after the US-American meteorologist Edward Lorenz discovered chaos (remember the "butterfly effect?") the topic is still as fascinating as ever. A new visualization technique helps to make chaos visible to the naked eye. The method ... > full story
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