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Preference for Fatty Foods May Have Genetic Roots
A preference for fatty foods has a
genetic basis, according to
researchers, who discovered that
people with certain forms of the
CD36 gene may like high-fat foods
more than those who have other
forms of this gene. ... > full story
- more on:
New Procedure Repairs Severed Nerves in Minutes, Restoring Limb Use in Days or Weeks
Scientists believe a new procedure
to repair severed nerves could
result in patients recovering in
days or weeks, rather than months
or years. The team used a cellular
mechanism similar to that used by
... > full story
- more on:
Surface of Mars an Unlikely Place for Life After 600-Million-Year Drought, Say Scientists
Mars may have been arid for more
than 600 million years, making it
too hostile for any life to
survive on the planet’s
surface, according to researchers
who have been carrying out the
... > full story
- more on:
New 'Biopsy in a Blood Test' to Detect Cancer
Scientists and cancer physicians
have successfully demonstrated the
effectiveness of an advanced blood
test for detecting and analyzing
circulating tumor cells --
breakaway cells from patients'
solid tumors -- from cancer
patients. The findings show that
... > full story
- more on:
Unraveling a Butterfly's Aerial Antics Could Help Builders of Bug-Size Flying Robots
By figuring out how butterflies
flutter among flowers with amazing
grace and agility, researchers
hope to help build small airborne
robots that can mimic those
maneuvers. ... > full story
- more on:
Millisecond Pulsar Paradox: Stellar Astrophysics Helps Explain Behavior of Fast Rotating Neutron Stars in Binary Systems
Pulsars are among the most exotic
celestial bodies known. They have
diameters of about 20 kilometers,
but at the same time roughly the
mass of our sun. A sugar-cube
sized piece of its ultra-compact
... > full story
- more on:
New Super-Earth Detected Within the Habitable Zone of a Nearby Cool Star
Sientists have discovered a
potentially habitable super-Earth
orbiting a nearby star. The star
is a member of a triple star
system and has a different makeup
than our Sun, being relatively
lacking in metallic elements. This
... > full story
- more on:
Probable Mechanism Underlying Resveratrol Activity Uncovered: Chemical Found in Red Wine and Other Foods
Researchers have identified how
resveratrol, a naturally occurring
chemical found in red wine and
other plant products, may confer
its health benefits. The authors
present evidence that resveratrol
... > full story
- more on:
Castaway Lizards Provide Insight Into Elusive Evolutionary Process, Founder Effects
A biologist who released lizards
on tiny uninhabited islands in the
Bahamas has shed light on the
interaction between evolutionary
processes that are seldom
observed. He found that the
... > full story
- more on:
Hubble Zooms in on a Magnified Galaxy
Astronomers aimed Hubble at one of
the most striking examples of
gravitational lensing, a nearly
90-degree arc of light in the
galaxy cluster RCS2 032727-132623.
Hubble's view of the distant
background galaxy, which lies
nearly 10 billion light-years
... > full story
- more on:
Roll over headlines to view top news summaries:
- Fatty Food Preference May Have Genetic Roots
- Severed Nerves: Heal and Use Limb Days Later?
- No Mars Life After 600-Million-Year Drought?
- 'Biopsy in a Blood Test' to Detect Cancer
- Butterflies Inspire Bug-Size Flying Robots
- Paradox of Millisecond Pulsars Solved?
- Super-Earth in Habitable Zone of Nearby Star
- Red Wine Chemical's Health Benefits Explained?
- Castaway Lizards Illuminate Evolutionary Process
- Hubble Zooms in On a Magnified Galaxy
- more top science stories
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Top Medical News
Schizophrenia: When Hallucinatory Voices Suppress Real Ones, New Electronic Application May Help
When a patient afflicted with schizophrenia hears inner voices something is taking place inside the brain that prevents the individual from perceiving real voices. A simple electronic application may help the patient learn to shift ... > full story
- Breastfeeding Linked to Improved Lung Function at School-Age, Especially With Asthmatic Mothers
- How to Tell Apart the Forgetful from Those at Risk of Alzheimer’s Disease
- Football Findings Suggest Concussions Caused by Series of Hits
- Triglyceride Levels Predict Stroke Risk in Postmenopausal Women
- more top health stories
Top Technology News
Classic Portrait of a Barred Spiral Galaxy
The NASA/ESA Hubble Space Telescope has taken a picture of the barred spiral galaxy NGC 1073, which is found in the constellation of Cetus (The Sea Monster). Our own galaxy, the Milky Way, is a similar barred spiral, and the study of galaxies such ... > full story
Top Environment News
Collective Action: Occupied Genetic Switches Hold Clues to Cells' History
If you wanted to draw your family tree, you could start by searching for people who share your surname. Cells, of course, don’t have surnames, but scientists have found that genetic switches called enhancers, and the molecules that activate ... > full story
- Scientists Coax Shy Microorganisms to Stand out in a Crowd
- Google Earth Ocean Terrain Receives Major Update: Data Sharpen Resolution of Seafloor Maps, Correct 'Discovery' of Atlantis
- New Way to Study Ground Fractures
- Food Poisoning: Understanding How Bacteria Come Back from the 'Dead'
- more top environment stories
More Science Headlines
Updated 45 minutes ago | Next update in 2 hours 15 minutes
8 pm EST Edition
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8 pm EST
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New Technique Successfully Dissolves Blood Clots in Brain and Lowers Risk of Brain Damage After Stroke, Study Suggests
February 2, 2012 — Neurologists report success with a new means of getting rid of potentially lethal blood clots in the brain safely without cutting through easily damaged brain tissue or removing large pieces of ... > full story -
Untangling the Mysteries of Alzheimer's
February 2, 2012 — Researchers have found new evidence that confirms the significance of a protein that neuroscientists call tau to the development of Alzheimer's disease. While earlier studies have focused on tau's aggregation into twisted structures known as ... > full story -
Down Syndrome; Birth Defects; Pregnancy and Childbirth; Infant's Health; Personalized Medicine; Women's Health;
DNA Test That Identifies Down Syndrome in Pregnancy Can Also Detect Trisomy 18 and Trisomy 13
February 2, 2012 — A recent study shows that a new DNA test that identifies Down syndrome in pregnancy can also detect trisomies 18 and ... > full story -
Elevated Glucose Associated With Undetected Heart Damage
February 2, 2012 — A new study suggests that hyperglycemia injures the heart, even in patients without a history of heart disease or diabetes. The high-sensitivity test they used detected levels of cTnT tenfold lower than those found in patients diagnosed with a heart ... > full story -
'Yellow Biotechnology': Using Plants to Silence Insect Genes in a High-Throughput Manner
February 2, 2012 — 'Yellow biotechnology' refers to biotechnology with insects -- analogous to the green (plants) and red (animals) biotechnology. Active ingredients or genes in insects are characterized and used for research or application in agriculture and ... > full story
5 pm EST
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Coffee Consumption Reduces Fibrosis Risk in Those With Fatty Liver Disease, Study Suggests
February 2, 2012 — Caffeine consumption has long been associated with decreased risk of liver disease and reduced fibrosis in patients with chronic liver disease. Now, new research confirms that coffee caffeine consumption reduces the risk of advanced fibrosis in ... > full story -
Erratic Heart Rhythm May Account for Some Unexplained Strokes
February 2, 2012 — Occasional erratic heart rhythms appear to cause about one-fifth of strokes for which a cause is not readily ... > full story -
Human Immune Cells React Sensitively to 'Stress'
February 2, 2012 — Scientists have demonstrated for the first time that certain cells circulating in human blood -- so-called monocytes -- are extremely sensitive to reactive oxygen species (ROS). They were also able to clarify the reason for this: ROS are aggressive ... > full story -
Attention Deficit Disorder; ADD and ADHD; Children's Health; Child Development; Mental Health; Child Psychology;
Young Children Exposed to Anesthesia Multiple Times Show Elevated Rates of ADHD
February 2, 2012 — Researchers have found that multiple exposures to anesthesia at a young age are associated with higher rates of attention-deficit/hyperactivity disorder ... > full story -
Rearranging the Cell's Skeleton: Small Molecules at the Cell’s Membrane Enable Cell Movement
February 2, 2012 — Cell biologists have identified key steps in how certain molecules alter a cell’s skeletal shape and drive the cell’s ... > full story
2 pm EST
-
Prolific Plant Hunters Provide Insight in Strategy for Collecting Undiscovered Plant Species
February 1, 2012 — Today's alarmingly high rate of plant extinction necessitates an increased understanding of the world's biodiversity. An estimated 15 to 30 percent of the world's flowering plants have yet to be discovered, making efficiency an integral function of ... > full story -
Global Experts Question Claims About Jellyfish Populations
February 1, 2012 — Blooms, or proliferation, of jellyfish have shown a substantial, visible impact on coastal populations -- clogged nets for fishermen, stinging waters for tourists, even choked intake lines for power plants -- and recent media reports have created a ... > full story -
Yellow-Cedar Are Dying in Alaska: Scientists Now Know Why
February 1, 2012 — Yellow-cedar, a culturally and economically valuable tree in southeastern Alaska and adjacent parts of British Columbia, has been dying off across large expanses of these areas for the past 100 years. But no one could say why -- until ... > full story -
Same Genes Linked to Early And Late-Onset Alzheimer's
February 1, 2012 — The same gene mutations linked to inherited, early-onset Alzheimer’s disease have been found in people with the more common late-onset form of the illness. The discovery may lead doctors and researchers to change the way Alzheimer’s ... > full story -
Massage Is Promising for Muscle Recovery: Researchers Find 10 Minutes Reduces Inflammation
February 1, 2012 — Researchers have discovered a brief 10-minute massage helps reduce inflammation in muscle. As a non-drug therapy, massage holds the potential to help not just bone-weary athletes but those with inflammation-related chronic conditions, such as ... > full story
11 am EST
-
Sun Delivered Curveball of Powerful Radiation at Earth
February 1, 2012 — A potent follow-up solar flare, which occurred Jan. 17, 2012, just days after the Sun launched the biggest coronal mass ejection seen in nearly a decade, delivered a powerful radiation punch to Earth's magnetic field despite the fact that it was ... > full story -
Nano-Oils Keep the Electronic Devices Really Cool
February 1, 2012 — Scientists have created a nano-infused oil that could greatly enhance the ability of devices as large as electrical transformers and as small as microelectronic components to shed excess ... > full story -
Scientists Help Define Structure of Exoplanets
February 1, 2012 — Using models similar to those used in weapons research, scientists may soon know more about exoplanets, those objects beyond the realm of our solar system. Astronomers have come up with new methods for deriving and testing the equation of state of ... > full story -
Medical Technology; Diseases and Conditions; Health Policy; Alternative Medicine; Technology; Medical Imaging;
'Life and Activity Monitor' Provides Portable, Constant Recording of Vital Signs
February 1, 2012 — Researchers have developed a type of wearable, non-invasive electronic device that can monitor vital signs such as heart rate and respiration at the same time it records a person's activity level, opening new opportunities for biomedical research, ... > full story -
Scientists Confirm First 'Frequency Comb' to Probe Ultraviolet Wavelengths
February 1, 2012 — Physicists have created the first "frequency comb" in the extreme ultraviolet band of the spectrum, high-energy light less than 100 nanometers in wavelength. Laser-generated frequency combs are the most accurate method available for precisely ... > full story
8 am EST
-
Spiders and Ticks; Internet; Computer Programming; Computer Modeling; Construction; Civil Engineering;
Spider Web's Strength Lies in More Than Its Silk
February 1, 2012 — A study that combines experimental observations of spider webs with complex computer simulations has shown that web durability depends not only on silk strength, but on how overall web design compensates for damage and the response of individual ... > full story -
Bacterial Plasmids -- The Freeloading and the Heavy-Lifters -- Balance the High Price of Disease
February 1, 2012 — Studying self-replicating genetic units, called plasmids, found in one of the world's widest-ranging pathogenic soil bacteria -- the crown-gall-disease-causing microorganism Agrobacterium tumefaciens -- biologists are showing how freeloading, mutant ... > full story -
New Technology Shows Molecules and Cells in Action
February 1, 2012 — A new affinity capture device provides a platform for viewing cancer cells and other macromolecules in dynamic, life-sustaining liquid ... > full story -
Societal Control of Sugar Essential to Ease Public Health Burden, Experts Urge
February 1, 2012 — Sugar should be controlled like alcohol and tobacco to protect public health, according to a team of researchers, who maintain in a new report that sugar is fueling a global obesity pandemic, contributing to 35 million deaths annually worldwide from ... > full story -
Chaos in the Cell's Command Center
February 1, 2012 — Researchers have determined the critical role one enzyme, lysine-specific demethylase 1 (LSD1), plays as mouse embryonic stem cells (ESCs) differentiate. This research may provide targets for developing drugs to push cells with dysfunctional gene ... > full story
5 am EST
-
Stem Cells Could Drive Hepatitis Research Forward
February 1, 2012 — Researchers have produced liver-like cells from induced pluripotent stem cells. By creating liver-like cells, scientists can study why people respond differently to Hepatitis ... > full story -
Potatoes Lower Blood Pressure in People With Obesity and Hypertension Without Increasing Weight
February 1, 2012 — The first study to check the effects of eating potatoes on blood pressure in humans has concluded that two small helpings of purple potatoes a day decreases blood pressure by about four percent without causing weight gain. The researchers say that ... > full story -
Road Runoff Spurring Spotted Salamander Evolution
February 1, 2012 — Spotted salamanders exposed to contaminated roadside ponds are adapting to their toxic environments, according to new research. The study provides the first documented evidence that a vertebrate has adapted to the negative effects of roads ... > full story -
Severe Weather; Climate; Global Warming; Environmental Policies; Hurricanes and Cyclones; Environmental Issues;
Tropical Cyclones to Cause Greater Damage, Researchers Predict
February 1, 2012 — Tropical cyclones will cause $109 billion in damages by 2100, according to researchers in a new paper. That figure represents an increased vulnerability from population and especially economic growth, as well as the effects of climate change. ... > full story -
Less Summer Arctic Sea Ice Cover Means Colder, Snowier Winters in Central Europe
February 1, 2012 — Even if the current weather situation may seem to go against it, the probability of cold winters with a lot of snow in Central Europe rises when the Arctic is covered by less sea ice in ... > full story
2 am EST
-
Why the Brain Is More Reluctant to Function as We Age
February 1, 2012 — New findings reveal a novel mechanism through which the brain may become more reluctant to function as we grow ... > full story -
Genetically Modified; Biotechnology; Insects (and Butterflies); New Species; Nature; Environmental Policy;
Available Information on the Free Release of Genetically Modified Insects Into the Wild Is Highly Restricted
February 1, 2012 — Scientists analyzing the release of genetically modified insects into the environment have found that access to accurate scientific information can be ... > full story -
Encouraging Results With Stem Cell Transplant for Brain Injury
February 1, 2012 — Experiments in brain-injured rats show that stem cells injected via the carotid artery travel directly to the brain, where they greatly enhance functional ... > full story -
First Plants Caused Ice Ages, New Research Reveals
February 1, 2012 — New research reveals how the arrival of the first plants 470 million years ago triggered a series of ice ages. The research reveals the effects that the first land plants had on the climate during the Ordovician Period, which ended 444 million years ... > full story -
Stellar Nursery: A Pocket of Star Formation
February 1, 2012 — A new view shows a stellar nursery called NGC 3324. It was taken using the Wide Field Imager on the MPG/ESO 2.2-meter telescope at the La Silla Observatory in Chile. The intense ultraviolet radiation from several of NGC 3324's hot young stars causes ... > full story
11 pm EST
-
Sleep Disorder Research; Sleep Disorders; Obstructive Sleep Apnea; Insomnia Research; Insomnia; Heart Disease;
Sleep Apnea Linked to Silent Strokes, Small Lesions in Brain
February 1, 2012 — People with severe sleep apnea may have an increased risk of silent strokes and small lesions in the brain, according to a small ... > full story -
Clot-Busting Drugs Appear Safe for Treating 'Wake-Up' Stroke Patients
February 1, 2012 — Clot-busting drugs may be safe for patients who wake up experiencing stroke symptoms, according to preliminary ... > full story -
Severe, Rapid Memory Loss Linked to Future, Fatal Strokes
February 1, 2012 — Severe, rapid memory loss may be linked to -- and could predict -- a future deadly stroke, according to new ... > full story -
Genetic Information Migrates from Plant to Plant
February 1, 2012 — To generate phylogenetic trees and investigate relationships between organisms, scientists usually look for similarities and differences in the DNA. Plant scientists were confounded by the fact that the DNA extracted from the plants’ green ... > full story -
Breakthrough in Understanding Ultrafast Magnetism
February 1, 2012 — Scientists from The Netherlands, Sweden and Ukraine claim a breakthrough in the theory of ultrafast magnetic ... > full story
Health & Biomedical Sciences
Health & Medicine
New Device Performs Better Than Old for Removing Blood Clots, Research Shows
An experimental blood clot-removing device outperformed the FDA-approved MERCI; retriever device, according to new ... > full story
- New RNA-Based Therapeutic Strategies for Controlling Gene Expression
- Experimental Drug Reduces 'Second Stroke' After Aneurysm Rupture
- Re-Blockage Rates Low in Both Stented and Surgically-Opened Arteries, Study Finds
- Dyslexia-Linked Genetic Variant Decreases Midline Crossing of Auditory Pathways
- more stories
Mind & Brain
New Drug Doesn't Improve Disability Among Stroke Patients, Researchers Find
A new drug that showed promise in animal studies and an early clinical trial didn't improve disability among stroke patients, according to new ... > full story
- Clopidogrel With Aspirin Doesn't Prevent More Small Strokes, May Increase Risk of Bleeding and Death, Researchers Report
- Anemia May More Than Triple Your Risk of Dying After a Stroke
- Sleep Deprivation Tied to Increased Nighttime Urination in Preadolescence
- In Times of Scandal, Corporations Are Likely to Use Others' Misconduct to Justify Their Behavior
- more stories
Living Well
U.S. Counties With Thriving Small Businesses Have Healthier Residents
U.S. counties and parishes with a greater concentration of small, locally-owned businesses have healthier populations — with lower rates of mortality, obesity and diabetes — than do those that rely on large companies with ... > full story
Biological & Earth Sciences
Plants & Animals
Infections in Childhood Linked to High Risk of Ischemic Stroke
Common infections in children pose a high risk of ischemic stroke, according to new research. In a review of 2.5 million children, the researchers identified 126 childhood ischemic stroke cases and then randomly selected 378 age-matched controls ... > full story
Earth & Climate
NASA's GCPEx Mission: What We Don't Know About Snow
NASA's GCPEx science team is collecting as much data as they can to improve understanding of snow dynamics inside clouds, because they relate to how snow moves through Earth's water and climate ... > full story
Fossils & Ruins
Scientists Prove Plausibility of New Pathway to Life's Chemical Building Blocks
Scientists have demonstrated an alternative pathway to life-essential sugars called the glyoxylate scenario, which may push the field of pre-life chemistry past the formose reaction ... > full story
Physical & Applied Sciences
Space & Time
High-Precision Map of Milky Way's Magnetic Fields Charted
Scientists have pooled their radio observations into a database, producing the highest precision map to date of the magnetic field within our own Milky Way ... > full story
Matter & Energy
Building a Better Light Bulb: Energy Efficient Organic LEDs
Incandescent light bulbs are energy hogs, but many people prefer them for the cozy quality of light they emit. Scientists in Germany have set out to build energy efficient organic LED (OLED) lights that could rival incandescent bulbs in white-light ... > full story
Computers & Math
Hand Counts of Votes May Cause Errors
Hand counting of votes in postelection audit or recount procedures can result in error rates of up to two percent, according to a new ... > full story
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