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Sibling Aggression Linked to Poor Mental Health
Fights between siblings are so common they’re often dismissed as simply part of growing up. Yet a new study finds that sibling aggression is associated with significantly worse mental ...full story -
New 'Embryonic' Subduction Zone Found
A new subduction zone forming off the coast of Portugal heralds the beginning of a cycle that will see the Atlantic Ocean close as continental Europe moves closer to ...full story -
A Robot That Runs Like a Cat
Thanks to its legs, whose design faithfully reproduces feline morphology, a four-legged "cheetah-cub robot" has the same advantages as its model: it is small, light and fast. Still in its ...full story -
When It Comes to Mammals, How Big Is Too Big?
Mammals vary enormously in size, from weighing less than a penny to measuring more than three school buses in length. Some groups of mammals have become very large, such as elephants and ...full story -
'Cold Snap' 116 Million Years Ago Triggered Marine Ecosystem Crisis
A "cold snap" 116 million years ago triggered a similar marine ecosystem crisis to the ones witnessed in the past as a result of global warming, according to new research. The international ...full story -
Mystery of X-Ray Light from Black Holes Solved
Astrophysicists using high-powered computer simulartions demonstrate that gas spiraling toward a black hole inevitably results in X-ray ...full story -
Wild Cheetah Accelerate Fast and Reach Speeds of Up to 58 Miles Per Hour During a Hunt
Researchers have captured the first detailed information on the hunting dynamics of the wild cheetah in its natural habitat. Using an innovative GPS and motion sensing collar that they ...full story -
From the Mouths of Babes: Toddlers' Speech Is Far More Advanced Than Previously Thought
The sound of small children chattering away as they learn to talk has always been considered cute -- but not particularly sophisticated. However, new research has shown that toddlers' ...full story -
How Diving Mammals Evolved Underwater Endurance
Scientists have shed new light on how diving mammals, such as the sperm whale, have evolved to survive for long periods underwater without ...full story -
Medieval Leprosy Genomes Shed Light on Disease's History
Scientists have reconstructed a dozen medieval and modern leprosy genomes -- suggesting a European origin for the North American leprosy strains found in armadillos and humans, and a common ...full story
- Sibling Aggression Tied to Poor Mental Health
- New 'Embryonic' Subduction Zone Found
- A Robot That Runs Like a Cat
- When It Comes to Mammals, How Big Is Too Big?
- Ancient Cold Snap Triggered Marine Crisis
- Mystery of X-Ray Light from Black Holes Solved
- Wild Cheetahs: Amazing Accelerating and Speed
- Toddlers' Speech Far More Advanced Than Thought
- How Diving Mammals Evolved Underwater Endurance
- Medieval Leprosy Genomes Shed Light On Disease
Mice in a 'Big Brother' Setup Develop Social Structures
New research into mouse social
behavior finds signs of leadership
and reveals features of "autistic"
mouse society. ... > full story
- more on:
Artificial Bone: Designing Synthetic Materials and Quickly Turning the Design Into Reality With 3-D Printing
Researchers have developed a new
method to design synthetic
materials and quickly turn the
design into reality using computer
optimization and 3-D printing. ... > full story
- more on:
Chemical in Antibacterial Soap Fed to Nursing Rats Harms Offspring, Study Finds
A mother's exposure to
triclocarban, a common
antibacterial chemical, while
nursing her babies shortens the
life of her female offspring, a
new study in rats finds. ... > full story
- more on:
Is There an Invisible Tug-of-War Behind Bad Hearts and Power Outages?
Researchers report the first
purely physical experimental
evidence that an invisible and
chaotic tug-of-war known as a
chimera state can occur naturally
within any process that relies on
spontaneous synchronization,
... > full story
- more on:
People Attribute Minds to Robots, Corpses That Are Targets of Harm
As Descartes famously noted,
there's no way to really know that
another person has a mind -- every
mind we observe is, in a sense, a
mind we create. Now, new research
suggests that victimization may be
one condition that leads us to
... > full story
- more on:
Bullfrogs May Help Spread Deadly Amphibian Fungus, but Also Die from It
Amphibian populations are
declining worldwide and a major
cause is a deadly fungus thought
to be spread by bullfrogs, but a
two-year study shows they can also
die from this pathogen, contrary
to suggestions that bullfrogs are
... > full story
- more on:
Genetic Diversity Key to Survival of Honey Bee Colonies
When it comes to honey bees, more
mates is better. A new study shows
that genetic diversity is key to
survival in honey bee colonies --
meaning a colony is less likely to
survive if its queen has had a
limited number of mates. ... > full story
- more on:
Jet Stream Changes Cause Climatically Exceptional Greenland Ice Sheet Melt
Scientists have shown that unusual
changes in atmospheric jet stream
circulation caused the exceptional
surface melt of the Greenland Ice
Sheet in summer 2012. ... > full story
- more on:
Mapping Translation Sites in the Human Genome
Scientists have produced the first
genome-wide investigation of
cap-independent translation,
identifying thousands of mRNA
sequences that act as Translation
Enhancing Elements, which are RNA
sequences upstream of the coding
region that help recruit the
... > full story
- more on:
Memory-Boosting Chemical Identified in Mice: Cell Biologists Find Molecule Targets a Key Biological Pathway
Memory improved in mice injected
with a small, drug-like molecule
discovered by researchers studying
how cells respond to biological
stress. ... > full story
- more on:
A Turbocharger for Nerve Cells: Key Mechanism Boosts the Signaling Function of Neurons in Brain
Locating a car that's blowing its
horn in heavy traffic,
channel-hopping between football
and a thriller on TV without
losing the plot, and not
forgetting the start of a sentence
... > full story
- more on:
Study of Oceans' Past Raises Worries About Their Future
Scientists have now completed the
first global study of changes that
occurred in a crucial component of
ocean chemistry, the nitrogen
cycle, at the end of the last ice
age. The results of their study
confirm that oceans are good at
balancing the nitrogen cycle on a
... > full story
- more on:
- Mice in 'Big Brother' Setup Get Social
- Method for 3-D Printing Synthetic Materials
- Chemical in Antibacterial Soap May Do Harm
- Tug-Of-War Behind Bad Hearts, Power Outages?
- People Attribute Minds to 'Victimized' Robots
- Bullfrogs Dying From Amphibian Fungus
- Genetic Diversity Key to Survival of Honey Bees
- Jet Stream Changes: Greenland Ice Sheet Melt
- Mapping Translation Sites in Human Genome
- Memory-Boosting Chemical Identified in Mice
- A Turbocharger for Nerve Cells Discovered
- What Will Become of Oceans in the Future?
- more top science stories
Top Medical News
Bariatric Surgery Restores Nerve Cell Properties Altered by Diet
Understanding how gastric bypass surgery changes the properties of nerve cells that help regulate the digestive system could lead to new treatments that produce the same results without surgery, according to scientists who have shown how surgery ... > full story
Top Technology News
Efficient and Inexpensive: Researchers Develop Catalyst Material for Fuel Cells
Efficient, robust and economic catalyst materials hold the key to achieving a breakthrough in fuel cell technology. Scientists have developed a material for converting hydrogen and oxygen to water using a tenth of the typical amount of platinum that ... > full story
Top Environment News
NASA's 2013 HS3 Hurricane Mission to Delve Into Saharan Dust
NASA's 2013 Hurricane and Severe Storms Sentinel or HS3 mission will investigate whether Saharan dust and its associated warm and dry air, known as the Saharan Air Layer or SAL, favors or suppresses the development of tropical cyclones in the ... > full story
More Science Headlines
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2 am EDT
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Naturally Occurring Hormone Induces Egg Maturation
June 17, 2013 — The naturally occurring hormone kisspeptin effectively induces egg maturation during infertility treatment, according to a clinical in vitro fertilization (IVF) ... > full story -
Eating Disorder Research; Eating Disorders; Diet and Weight Loss; Hormone Disorders; Obesity; Psychiatry;
Estrogen Replacement Therapy Helps Reduce Anxiety in Anorexia Nervosa
June 17, 2013 — Estrogen replacement therapy is associated with a significant decrease in anxiety symptoms among girls with anorexia nervosa, a new clinical trial ... > full story -
Excessive Salt Consumption Appears to Be Bad for Your Bones
June 17, 2013 — A high-salt diet raises a woman’s risk of breaking a bone after menopause, no matter what her bone density is, according to a new ... > full story -
Whole Body Vibration Therapy Increases Bone Strength
June 17, 2013 — A treatment known as whole body vibration therapy significantly increases bone strength among adolescents with cerebral palsy, a new clinical trial from New Zealand ... > full story -
Obesity; Diet and Weight Loss; Dieting and Weight Control; Nutrition Research; Nutrition; Cholesterol;
Adolescents' High-Fat Diet Impairs Memory and Learning
June 17, 2013 — A high-fat diet in adolescence appears to have long-lasting effects on learning and memory during adulthood, a new study in mice ... > full story
11 pm EDT
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Obesity; Diet and Weight Loss; Dieting and Weight Control; Fitness; Chronic Illness; Nutrition Research;
Short-Term Antidepressant Use, Stress, High-Fat Diet Linked to Long-Term Weight Gain
June 17, 2013 — Short-term use of antidepressants, combined with stress and a high-fat diet, is associated with long-term increases in body weight, a new animal study ... > full story -
Insulin Resistance Linked to Weaker Bones
June 17, 2013 — Reduced effectiveness of the hormone insulin, or insulin resistance, is associated with weakened bones, a clinical study ... > full story -
Weight Loss Improves Memory and Alters Brain Activity in Overweight Women
June 17, 2013 — Memory improves in older, overweight women after they lose weight by dieting, and their brain activity actually changes in the regions of the brain that are important for memory tasks, a new study ... > full story -
Sleep Disorder Research; Sleep Disorders; Insomnia Research; Insomnia; Obstructive Sleep Apnea; Obesity;
Too Little Sleep May Trigger the 'Munchies' by Raising Levels of an Appetite-Controlling Molecule
June 17, 2013 — Insufficient sleep may contribute to weight gain and obesity by raising levels of a substance in the body that is a natural appetite stimulant, a new study ... > full story -
Drugs Used to Treat Heart Failure and High Blood Pressure May Help Decrease Obesity
June 17, 2013 — A type of drug normally used to treat heart failure and high blood pressure helped prevent weight gain and other complications related to a high-fat diet in an animal ... > full story
8 pm EDT
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Infant's Health; Birth Defects; Pregnancy and Childbirth; Down Syndrome; Prostate Cancer; Hormone Disorders;
BPA Linked to a Common Birth Defect in Boys
June 17, 2013 — A new study links fetal exposure to a common chemical pollutant, bisphenol A (BPA), to defects of a testicular hormone in newborn boys with undescended testicles. The results suggest yet another potential harmful effect of BPA, which is widely used ... > full story -
Vitamin D Supplementation May Delay Precocious Puberty in Girls
June 17, 2013 — Vitamin D supplementation may help delay early onset of puberty in girls, a new clinical study ... > full story -
Exposure to BPA in Developing Prostate Increases Risk of Later Cancer: Ubiquitous Plasticizers May Have Long-Term Health Effects
June 17, 2013 — Early exposure to BPA (bisphenol A) -- an additive commonly found in plastic water bottles and soup can liners -- causes an increased cancer risk in an animal model of human prostate ... > full story -
Vitamin D Deficiency May Raise Allergy and Asthma Risk in Obese Children, Teens
June 17, 2013 — One reason why obese children and teenagers are more likely to have hard-to-control asthma and allergies may be vitamin D deficiency, a new study ... > full story -
Thyroid Disease; Hormone Disorders; Cancer; Diseases and Conditions; Prostate Cancer; Personalized Medicine;
'Gene Signature' Test Diagnoses Benign Thyroid Growths
June 17, 2013 — A new genetic test accurately and consistently diagnoses benign growths, or nodules, on the thyroid gland, according to a study from ... > full story
5 pm EDT
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Infant's Health; Pregnancy and Childbirth; Mental Health Research; Hormone Disorders; Birth Defects; Gynecology;
Steroid Hormone May Be Indicator of Infant Distress
June 17, 2013 — During labor and delivery, infants preferentially secrete a different stress hormone than their mothers do, according to a new clinical ... > full story -
Medical Marijuana Not the Answer for Teens With Chronic Pain, Doctors Say
June 17, 2013 — Adolescents can have chronic pain, just like adults. As patients, their parents and physicians search for solutions, there is one increasingly available option they should avoid, researchers say: medical ... > full story -
Cholesterol; Diet and Weight Loss; Eating Disorder Research; Children's Health; Heart Disease; Obesity;
Eating Behaviors of Preschoolers May Be Related to Future Risk of Heart Disease
June 17, 2013 — Eating behaviors of preschoolers may be associated with risk of cardiovascular disease in later life, suggests a new ... > full story -
Prenatal Exposure to BPA Affects Fat Tissues in Sheep
June 17, 2013 — New research suggests that fetal exposure to the common environmental chemical bisphenol A, or BPA, causes increased inflammation in fat tissues after birth, which can lead to obesity and metabolic ... > full story -
Parkinson's Research; Parkinson's; Intelligence; Disorders and Syndromes; Diseases and Conditions; Brain Tumor;
Artificial Sweetener a Potential Treatment for Parkinson's Disease
June 17, 2013 — Mannitol is widely used as an artificial sweetener in gum and candy, and, with FDA sanction, is also used as a diuretic. Now medical researchers have found that mannitol could also be a novel therapy for the treatment of Parkinson's and other ... > full story
2 pm EDT
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Rett Syndrome Protein Surrenders Some of Its Secrets
June 17, 2013 — Discovery of a mutant gene responsible for a disease is a milestone, but for most conditions, it may be only a first step towards a treatment or cure. Understanding Rett Syndrome, an autism spectrum disorder, is further complicated by the fact that ... > full story -
Protein Essential for Normal Heart Function Identified
June 17, 2013 — Scientists show that a protein called MCL-1, which promotes cell survival, is essential for normal heart ... > full story -
Breast Cancer; Cervical Cancer; Today's Healthcare; Cancer; Medical Technology; Diseases and Conditions;
Medical Assessment in the Blink of an Eye
June 17, 2013 — Have you ever thought that you knew something about the world in the blink of an eye? It turns out that radiologists can do this with mammograms, the x-ray images used for breast cancer screening. Cytologists, who screen micrographic images of ... > full story -
Children's Health; Child Psychology; Child Development; Anger Management; Infant's Health; Attention Deficit Disorder;
Babies Seeing Violence Show Aggression Later
June 17, 2013 — Aggression in school-age children may have its origins in children 3 years old and younger who witnessed violence between their mothers and partners, according to a new ... > full story -
Psychiatry; Disorders and Syndromes; Nervous System; Mental Health Research; Intelligence; Mental Health;
Psychiatric Disorders Linked to a Protein Involved in the Formation of Long-Term Memories
June 17, 2013 — Scientists have discovered a protein that regulates synaptic ion channels that have been tied to bipolar disorder and ... > full story
11 am EDT
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Organic Chemistry; Chemistry; Biochemistry; Materials Science; Inorganic Chemistry; Engineering and Construction;
Star-Shaped Macromolecule Grabs Large Anions
June 16, 2013 — Chemists have created a symmetrical, five-sided macrocycle that is easy to synthesize and has characteristics that may help expand the molecular tool box available to researchers in biology, chemistry and materials ... > full story -
Obese Male Mice Father Offspring With Higher Levels of Body Fat
June 16, 2013 — Male mice who were fed a high-fat diet and became obese were more likely to father offspring who also had higher levels of body fat, a new study finds. The effect was observed primarily in male offspring, despite their consumption of a low-fat diet, ... > full story -
Advances in Genetic Sequencing Diagnose Paralympic Hopeful's Rare Condition
June 16, 2013 — National Paracycling Champion Tom Staniford has an extremely rare condition which, until now, has puzzled his doctors. He is unable to store fat under his skin -- yet has type 2 diabetes -- and suffered hearing loss as a child. Now, thanks to ... > full story -
'Chase and Run' Cell Movement Mechanism Explains Process of Metastasis
June 16, 2013 — A mechanism that cells use to group together and move around the body -- called 'chase and run' -- has been described for the first time by ... > full story -
Osteoporosis Drug Stops Growth of Breast Cancer Cells, Even in Resistant Tumors, Study Suggests
June 15, 2013 — A drug approved in Europe to treat osteoporosis has now been shown to stop the growth of breast cancer cells, even in cancers that have become resistant to current targeted therapies, according to a new ... > full story
8 am EDT
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Medical Researchers Design Variant of Main Painkiller Receptor
June 14, 2013 — Scientists have developed a variant of the mu opioid receptor that has several advantages when it comes to experimentation. This variant can be grown in large quantities in bacteria and is also water-soluble, enabling experiments and applications ... > full story -
Stress Test and Brain Scans Pinpoint Two Distinct Forms of Gulf War Illness
June 14, 2013 — New research suggests that Gulf War illness may have two distinct forms depending on which brain regions have atrophied. In a study of Gulf War veterans, researchers say their findings help explain why clinicians have consistently encountered ... > full story -
Today's Healthcare; Blood Clots; Wounds and Healing; Public Health; Hypertension; Diseases and Conditions;
Medications to Prevent Clots Not Reaching Some Patients
June 14, 2013 — Researchers report that hospitalized patients do not receive more than one in 10 doses of doctor-ordered blood thinners prescribed to prevent potentially lethal or disabling blood clots, a decision they say may be fueled by misguided concern by ... > full story -
Smoking in the Entrances to Bars Increases the Presence of Nicotine Inside
June 14, 2013 — The protection provided by the smoking ban decreases when people can still smoke outside the venue. For the first time, a study has analyzed the effects of the modification to the Spanish tobacco control law, implemented in 2011 in hospitality ... > full story -
Could Novel Drug Target Autism and Fetal Alcohol Disorder?
June 13, 2013 — A surprising new study reveals a common molecular vulnerability in autism and fetal alcohol disorder. Both have social impairment symptoms and originate during brain development. The study found male offspring of rat mothers given alcohol during ... > full story
5 am EDT
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Chronic Drinking and Exposure to Particulate Matter Dramatically Decreases Lung Function
June 13, 2013 — Alveolar macrophage (AM) function plays a critical role in protecting the lungs by removing particulates. Chronic drinking causes persistent oxidative stress in the lungs, leading to impaired AM function. A new rodent study shows that chronic ... > full story -
Finasteride, Medication for Male Pattern Hair Loss, May Also Decrease Drinking
June 13, 2013 — Finasteride is a synthetic drug for the treatment of male pattern hair loss and an enlarged prostate. Rodent research has shown that finasteride can reduce alcohol intake. A preliminary study of men with finasteride-related sexual side effects ... > full story -
Tobacco Laws for Youth May Reduce Adult Smoking
June 13, 2013 — States that want to reduce rates of adult smoking may consider implementing stringent tobacco restrictions on teens. Scientists discovered that states with more restrictive limits on teens purchasing tobacco also have lower adult smoking rates, ... > full story -
Workplace and Financial Stress Lead to Poor Health Choices
June 12, 2013 — Two studies highlight the impact work and financial stress can have on health behaviors. The lead author urges workplace wellness programs to consider such impacts as the economy sputters ... > full story -
Teen Health; Behavior; Children's Health; Computers and Internet; Child Psychology; Mental Health Research;
Cyberbullying Puts Teens at Risk
June 12, 2013 — Teenage victims of cyberbullying, defined as the use of the internet or cell phones to send hurtful and harassing messages, are more likely to develop symptoms of depression, substance abuse and internet addiction, reports a new ... > full story
Health & Biomedical Sciences
Health & Medicine
FGF21 Hormone, Key to Control Obesity, Also Protects Against Heart Diseases in Mice
A research group has found that FGF21, an endocrine factor which reduces glucose levels, protects against cardiac diseases in ... > full story
- Investigational Drug Improves Sleep Disorder Among the Blind
- Dietary Supplement Linked to Increased Muscle Mass in the Elderly
- Trusted Voice of Doctors Is Key to Viability of Health Care Cost-Control Reforms
- Unauthorized Immigrants Account for Only 1. 4 Percent of U. S. Medical Spending
- more stories
Mind & Brain
E-Commerce's Future Is in Creating 'Swift Guanxi,' or Personal and Social Rapport
Despite the reputation of online marketplaces being distant and impersonal, through social technologies such as instant messaging, they can create the sense of personal and social relationships between buyers and sellers, termed "swift guanxi" in ... > full story
Living Well
Smile's Better to Boost Small Businesses, Says New Research
A simple smile and a friendly greeting can make customers feel much more loyal towards small independent companies, according to new ... > full story
Biological & Earth Sciences
Plants & Animals
Helping Pet Owners Make Tough Choices
Perhaps the hardest part of owning a pet is making difficult decisions when a beloved companion becomes seriously ill. That's why researchers are developing a new tool to help people assess their ailing pets' quality of life, a key factor in ... > full story
Earth & Climate
Farmworkers Feel the Heat Even When They Leave the Fields
Researchers conducted a study to evaluate the heat indexes in migrant farmworker housing and found that a majority of the workers don’t get a break from the heat when they’re off the ... > full story
Fossils & Ruins
Menopause May Be an Unintended Outcome of Men's Preference for Younger Mates
After decades of laboring under other theories that never seemed to add up, biologists have concluded that menopause is actually an unintended outcome of natural selection generated by men's historical preference for younger ... > full story
- Putting Flesh on the Bones of Ancient Fish: Synchrotron X-Rays Reconstruct Soft Tissue on 380-Million-Year-Old Fish
- Fossil Kangaroo Teeth Reveal Mosaic of Pliocene Ecosystems in Queensland
- High Diversity of Flying Reptiles in England 110 Million Years Ago
- Deep Biosphere Harbors Active, Growing Communities of Microorganisms
- more stories
Physical & Applied Sciences
Space & Time
Flare Star WX UMa Becomes 15 Times Brighter in Less Than 3 Minutes
Astrophysicists have detected a star of low luminosity which within a matter of moments gave off a flare so strong that it became almost 15 times brighter. The star in question is the flare star WX ... > full story
Matter & Energy
Plasma in a Bag: Plastic Bags Coated by Plasma Serve as Lab for Cultivating Adherent Cells
Plastic bags coated by plasma at atmospheric pressure serve as a GMP laboratory for the cultivation of adherent cells. The plasma is used to modify the internal surface of the bag specifically, so that different cell types can grow on ... > full story
Computers & Math
Intelligent Glasses Designed for Professors
Scientists in Spain have developed a system based on augmented reality that, thanks to intelligent glasses, enables a professor to see notes or comments on the contents of a lesson and to see if the students understand explanations or if, on the ... > full story
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