Brightsurf Science News & Current Events

March 05, 2015
Exposure to endocrine disruptors during pregnancy affects the brain two generations later
Prenatal exposure to low doses of the environmental contaminants polychlorinated biphenyls, or PCBs, change the developing brain in an area involved in metabolism, and some effects are apparent even two generations later, a new study finds.

Safer drug combination found for patients with high-risk atrial fibrillation
A recent study led by a University of Missouri School of Medicine cardiologist found that use of a newer blood thinner significantly decreased the risk of strokes for patients with atrial fibrillation who require an anticoagulant and the heart rhythm medication amiodarone.

UI researchers launch rockets in search of unseen parts of universe
A team comprised of University of Iowa researchers and students is sending its own technology on a series of NASA rockets to find parts of space we can't currently see.

Distant supernova split 4 ways by gravitational lens
Astronomers now use massive galaxies and clusters of galaxies as magnifying lenses to study the early universe, but until now had never observed the brief flash of a supernova.

How rain is dependent on soil moisture
It rains in summer most frequently when the ground holds a lot of moisture.

Irregular sleeping pattern may affect how teens eat
A sleep study of teenagers found that greater variability in day-to-day sleep habits was associated with higher calories consumed throughout the day.

Fast food commercials to kids 'deceptive' by industry self-regulation standards
Fast food ads aimed at kids fail to de-emphasize toy premiums, making them deceptive by industry self-regulation standards.

UH professor helps South-Asian countries manage water resources
A University of Houston researcher will train South-Asian government officials to independently manage their water resources, using computer software that interprets data collected from NASA satellites.

Multitasking hunger neurons also control compulsive behaviors
In the absence of food, neurons that normally control appetite initiate complex, repetitive behaviors seen in obsessive-compulsive disorder, and anorexia nervosa, according to a new study by Yale School of Medicine researchers.

Genetically modified soybean oil only slightly healthier than regular soybean oil
A new soybean oil genetically modified to be healthier than conventional soybean oil causes obesity, pre-diabetes and fatty liver in a nearly identical manner to that of regular soybean oil when part of a typical American high-fat diet, an animal study shows.

Protecting crops from radiation-contaminated soil
A group at the RIKEN Center for Sustainable Resource Science in Japan has identified a chemical compound that prevents plants from taking up cesium, thus protecting them -- and us -- from the harmful effects of soil contaminated with radiocesium.

Estimated costs of endocrine-disrupting chemical exposure exceed €150 billion annually
A new economic analysis found exposure to endocrine-disrupting chemicals likely costs the European Union €157 billion ($209 billion) a year in actual health care expenses and lost earning potential, according to a new series of studies published in the Endocrine Society's Journal of Clinical Endocrinology and Metabolism.

Autistic features linked to prenatal exposure to fire retardants, phthalates
Exposure during pregnancy to a combination of fire retardant chemicals and phthalate chemicals--both present in the average home--can contribute to autistic-like behaviors in the offspring, according to an animal study to be presented Thursday at the Endocrine Society's 97th annual meeting in San Diego.

3-D imaging reveals hidden forces behind clogs, jams, avalanches, earthquakes
When you walk on the beach, the sand supports your weight like a solid.

Breakthrough paralysis research powered by Wings For Life World Run
Today, in a powerful statement for the progression of spinal cord injury research, the Wings for Life Spinal Cord Research Foundation and the Christopher & Dana Reeve Foundation announced they have joined forces to expand groundbreaking work.

Twin copies of gene pair up in embryonic stem cells at critical moment in differentiation
Researchers at CSHL have shown that the two alleles of Oct4, a gene important in embryonic stem cells, don't remain separate in the nucleus of stem cells but rather pair up, at the developmental point at which stem cells begin their maturation into specific cell types.

From chick to bedside: Removing the Wnt barrier
Kick starting a process that might repair the damage done in cerebral palsy and multiple sclerosis could begin with disabling a driver that helps block regeneration, said Baylor College of Medicine researchers in a report that appears in the journal Neuron.

Researchers examine effect of experimental Ebola vaccine after high-risk exposure
A physician who received an experimental Ebola vaccine after experiencing a needle stick while working in an Ebola treatment unit in Sierra Leone did not develop Ebola virus infection, and there was strong Ebola-specific immune responses after the vaccination, although because of its limited use to date, the effectiveness and safety of the vaccine is not certain, according to a study appearing in JAMA.

Magnetic material attracts attention for cancer therapy
An extraordinary self-regulating heating effect that can be achieved in a particular type of magnetic material may open the doors to a new strategy for hyperthermia cancer treatment.

Baby mantises harness mid-air 'spin' during jumps for precision landings
High-speed videos reveal that, unlike other jumping insects, the juvenile praying mantis does not spin out of control when airborne.

How healthy is genetically modified soybean oil?
Soybean oil accounts for more than 90 percent of all the seed oil production in the United States.

Weight-loss surgery can be a safe option for obese children
Weight loss surgery does not stunt the growth of obese children when applied within a clinical pathway.

Energetic immune cells are vital for fighting disease
A good immune system relies on a key 'energy producing' protein in immune cells to develop immunity to vaccines and disease, an international team of scientists has found.

Abnormal brain rhythms tied to problems with thinking in schizophrenia
By studying specially bred mice with specific developmental and cognitive traits resembling those seen in schizophrenia, UC San Francisco researchers have provided new evidence that abnormal rhythmic activity in particular brain cells contributes to problems with learning, attention, and decision-making in individuals with that disorder.

Melting glaciers create noisiest places in ocean, study says
Researchers measure underwater noise in Alaskan and Antarctic fjords and find them to be the noisiest places in the ocean.

Nine steps to survive 'most explosive era of infrastructure expansion in human history'
A team of scientists writing in the Cell Press journal Current Biology on March 5 call attention to nine issues that must be considered if there is to be any hope of limiting the environmental impacts of the ongoing expansion of new roads, road improvements, energy projects, and more now underway or 'coming soon' in countries all around the world.

Relief for diabetics with painful condition
Northwestern Medicine study found that those with painful diabetic neuropathy who received two low dose rounds of a non-viral gene therapy called VM202 had significant improvement of their pain that lasted for months.

Menopausal whales are influential and informative leaders
Menopause is a downright bizarre trait among animals. It's also rare.

Molecule from trees helps female mice only resist weight gain
A molecule found in some plants can combat weight gain induced by a high-fat diet, but only in female mice, not males.

Future Science Group commemorates a 15-year commitment to double-blind peer review
Future Science Group today announced that it will continue to require double-blind peer review for research articles submitted to all 34 professional journals published by both of its imprints, Future Science and Future Medicine.

New detector sniffs out origins of methane
An instrument identifies methane's origins in mines, deep-sea vents, and cows.

A new way to control information by mixing light and sound
For once, slower is better in a new piece of technology.

Understanding how the stomach responds to injury could help target therapy against gastric damage
A better understanding of the stomach's immune response to Helicobater pylori infection could lead to new therapies targeting damage in the stomach, report researchers in the March issue of Cellular and Molecular Gastroenterology and Hepatology, the basic science journal of the American Gastroenterological Association.

Unregulated web marketing of genetic tests for personalized cancer care raises concerns
Websites that market personalized cancer care services often overemphasize their purported benefits and downplay their limitations, and many sites offer genetic tests whose value for guiding cancer treatment has not been shown to be clinically useful, according to a new study from Dana-Farber Cancer Institute.

Astronomers observe 4 images of the same supernova using a cosmic lens
Astronomers have for the first time observed a supernova (an exploding star) multiply-imaged due to gravitational lensing.

Drug to control appetite could also fight anxiety: Ottawa study
Did you know that our body produces its own marijuana-like compound to protect us against anxiety?

Calling your bluff: Supervisors easily sniff out what drives a worker
Good supervisors aren't easily duped by the motives of underlings who go the extra mile -- they know when an employee is sucking up to them because of personal ambition, or when such actions truly have what's best for the organization at heart.

In vivo CRISPR-Cas9 screen sheds light on cancer metastasis and tumor evolution
For the first time, CRISPR-Cas9 gene-editing technology has been employed in a whole organism model to systematically target every gene in the genome.

A supernova quadrupled
The sky is filled with 'magnifying glasses' that allow astronomers to study very distant objects barely visible with even the largest existing telescopes.

The price of protection
'Why doesn't she just leave?' is a timeworn question about women trapped in relationships that are physically and/or emotionally abusive to them.

Botox to improve smiles in children with facial paralysis
Injecting botulinum toxin A -- known commercially as Botox -- appears to be a safe procedure to improve smiles by restoring lip symmetry in children with facial paralysis, a condition they can be born with or acquire because of trauma or tumor, according to a report published online by JAMA Facial Plastic Surgery.

Antidepressants linked with improved cardiovascular outcomes
A new study scheduled for presentation at a meeting of the American College of Cardiology found that screening for and treating depression could help to reduce the risk of heart disease in patients with moderate to severe depression.

Research highlights differences in how young men and women learn about sex and relationships
More young people than ever are getting most of their information about sexual matters from school, but the majority feel they are not getting all the information they need, and men in particular are missing out, according to new research from UCL, London School of Hygiene & Tropical Medicine, and NatCen Social Research, published in BMJ Open.

CU-Boulder researchers propose a novel mechanism to explain the region's high elevation
Researchers have proposed a new way to explain how the High Plains got so high.

Biomolecular force generation based on the principle of a gas spring
Scientists at Technische Universität Dresden have now been able to add another piece to the puzzle of cell biological mechanisms, as they report in the latest issue of the renowned scientific journal Cell on March 5, 2015.

Gut bacteria may contribute to diabetes in black males
African American men at elevated risk for developing type 2 diabetes may have fewer beneficial and more harmful intestinal bacteria, according to research presented by University of Illinois at Chicago endocrinologist Dr.

Evidence indicates Yucatan Peninsula hit by tsunami 1,500 years ago
The eastern coastline of Mexico's Yucatan Peninsula, a mecca for tourists, may have been walloped by a tsunami between 1,500 and 900 years ago, says a new study involving Mexico's Centro Ecological Akumal and the University of Colorado Boulder.

Yale researchers map 'switches' that shaped the evolution of the human brain
Thousands of genetic 'dimmer' switches, regions of DNA known as regulatory elements, were turned up high during human evolution in the developing cerebral cortex, according to new research from the Yale School of Medicine.

Losing 30 minutes of sleep per day may promote weight gain
Losing as little as 30 minutes of sleep per day on weekdays can have long-term consequences for body weight and metabolism, a new study finds.

Black holes and the dark sector explained by quantum gravity
A quantum version of General relativity published in the International Journal of Geometric Methods in Modern Physics demonstrates that Dark Energy and Dark Matter are different manifestations of gravity.

Antiseptic prevents deaths in newborns
A low-cost antiseptic used to cleanse the cord after birth could help reduce infant death rates in developing countries by 12 percent, a systematic review published in The Cochrane Library suggests.

Semi-artificial chloroplasts to manufacture biotechnologically relevant products
An international research team wants to create semi-artificial chloroplasts for the manufacture of biotechnologically relevant products.

Astronomers see star explode 4 times
Astronomers have glimpsed a far off and ancient star exploding, not once, but four times.

American Chemical Society Presidential Symposia: Nanoscience, international chemistry
The burgeoning field of nanotechnology, nanoscience at prestigious US national laboratories and the worldwide promotion of chemistry are the topics of three special Presidential Symposia planned for the 249th National Meeting & Exposition of the American Chemical Society (ACS).

Fluid-filled pores separate materials with fine precision
A team of Harvard scientists has developed an entirely new, highly versatile mechanism for controlling passage of materials through micropores, using fluid to modulate their opening and closing.

Video reveals acrobatic feats of praying mantises
The jump of a young, wingless praying mantis from take-off to landing lasts less than a tenth of second -- literally faster than the blink of a human eye.

NASA sees Mozambique Channel's new tropical storm
Tropical Cyclone 15S formed in the Mozambique Channel of the Southern Indian Ocean, and the Global Precipitation Measurement or GPM core satellite gathered data on its rainfall rates.

Old mothers know best: Killer whale study sheds light on the evolution of menopause
A new study led by the Universities of Exeter and York has shown that female killer whales survive after menopause because they help their family members find food during hard times.

An explosive quartet
Astronomers using the NASA/ESA Hubble Space Telescope have, for the first time, spotted four images of a distant exploding star.

Human brains age less than previously thought
Older brains may be more similar to younger brains than previously thought.

Study bolsters link between heart disease, excessive sitting
Sitting for many hours per day is associated with increased coronary artery calcification, a marker of subclinical heart disease that can increase the risk of a heart attack, according to research scheduled for presentation at the American College of Cardiology's 64th Annual Scientific Session in San Diego.

Gut microbial mix relates to stages of blood sugar control
The composition of intestinal bacteria and other micro-organisms -- called the gut microbiota -- changes over time in unhealthy ways in black men who are prediabetic, a new study finds.

New flexible films for touch screen applications achieve longer lasting display
Researchers in South Korea create thin sheets of hybrid materials that may enable the next generation of consumer electronics.

Antibodies to brain proteins may trigger psychosis
Antibodies defend the body against bacterial, viral, and other invaders.

Turning a vole into a mighty rodent
Take a wild, common forest-dwelling mouse-like rodent, known as a vole, and subject it to 13 rounds of selection for increased aerobic exercise metabolism, and what do you get?

Seniors' hospital and ER admission rates are higher if they have obesity
Obesity is associated with substantial increases in older adults' hospitalizations, emergency room admissions and use of outpatient health care services, according to a new study of 172,866 Medicare Advantage members throughout the US.

Gut bacteria may decrease weight loss from bariatric surgery
Some patients do not experience the optimal weight loss from bariatric surgery.

VTT: New flavors for lager beer -- successful generation of hybrid yeasts
VTT Technical Research Centre of Finland Ltd. has been the first to publish a scientific study on the successful generation of hybrid lager yeasts.

Mars: The planet that lost an ocean's worth of water
A primitive ocean on Mars held more water than Earth's Arctic Ocean, covering a greater portion of the planet's surface than the Atlantic Ocean does on Earth, according to new results published today.

Women don't get to hospital fast enough during heart attack
Women suffering a heart attack wait much longer than men to call emergency medical services and face significantly longer delays getting to a hospital equipped to care for them, putting women at greater risk for adverse outcomes, according to research to be presented at the American College of Cardiology's 64th Annual Scientific Session in San Diego.

Study reveals how dietary phosphate can increase heart disease risk
High phosphate levels cause a stress signal inside the cells that line blood vessels, leading to the release of microparticles that promote the formation of blood clots.

Achieving gender equality in science, engineering and medicine
Gender equality has not yet been achieved in science, medicine, and engineering, but NYSCF, through its Initiative on Women in Science and Engineering, is committed to making sure progress is made.

Male partner's healthier lifestyle may help infertile obese female conceive
Male partners of infertile obese females may increase the odds of conceiving a child by improving their own weight and dietary habits, preliminary results from a pilot study from Canada suggest.

Products advertised on personalized cancer care websites: True or false claims?
Although there are only a few validated genetic tests specifying individual risks for certain cancers or which can help to select genomically targeted cancer therapies, the Internet is already a major source of marketing for both legitimate tests as well as those of dubious value, according to a study published March 5 in the JNCI: Journal of the National Cancer Institute.

Trends of 21-gene recurrence score assay use in older patients with breast cancer
A genetic test for patients with breast cancer that helps to predict the risk of developing metastatic disease and the expected benefits of chemotherapy has been adopted quickly into clinical practice in a study of older patients and it appears to be used consistently within guidelines and equitably across geographic and racial groups, according to a study published online by JAMA Oncology.

When dad wants to do more than just go to work
'Many companies still view paternity leave as a lack of commitment to the job, and this leads to career disadvantages,' says professor Dr.

Space technology investigates large-scale changes to Africa's climate
University of Leicester researchers map climate and human impacts on Africa's land resources using satellite mapping technology.

Improving your fitness could improve your spouse's fitness
Your exercise regimen isn't just good for you; it may also be good for your spouse.

Medical nanoparticles: Local treatment of lung cancer
Nanoparticles can function as carriers for medicines to combat lung cancer: working in a joint project, scientists from the Helmholtz Zentrum München and the Ludwig-Maximilians-Universität in Munich have developed nanocarriers that site-selectively release medicines/drugs at the tumor site in human and mouse lungs.

Pregnancy hormone plays a role in fetal response to hormone disruptors
Early exposure in the human womb to phthalates, which are common environmental chemicals, disrupts the masculinization of male genitals, according to a new study that will be presented Sunday at the Endocrine Society's 97th annual meeting in San Diego.

Mutation in APC2 gene causes Sotos features
Sotos syndrome is a congenital syndrome that is characterized by varying degrees of mental retardation and a large head circumference etc.

Springer starts pilot project on Linked Open Data
Springer has opened selected metadata from conference publications, heeding the European Commission's call for promoting open data.

Cebit 2015: DIY printing custom touch-sensitive displays
Computer scientists from Saarbrücken have developed a technique that could enable virtually anyone to print out customized displays of their own in future -- in all shapes and sizes and onto various materials.

New paint makes tough self-cleaning surfaces
A new paint that makes robust self-cleaning surfaces has been developed by a team led by UCL researchers.

Astronomers see supernova split into 4 images by a cosmic lens
Astronomers report the first discovery of a distant star exploding into a supernova, in multiple images that reached the Earth at different times.

Reliance on smartphones linked to lazy thinking
Our smartphones help us find a phone number quickly, provide us with instant directions and recommend restaurants, but new research indicates that this convenience at our fingertips is making it easy for us to avoid thinking for ourselves.

Penn Medicine analysis: One-third of Americans do not have access to stroke center within 1 hour
A population-based approach to health planning would prevent disparities in access to specialized stroke care, says new Penn Medicine research.

Transport molecule forms a protective structure to guide proteins to cell membrane
The molecular complex that guides an important class of proteins to correct locations in cell membranes does so by forming a dimeric structure with a protective pocket.

Study finds significant facial variation in pre-Columbian South America
A team of anthropology researchers has found significant differences in facial features between all seven pre-Columbian peoples they evaluated from what is now Peru -- disproving a longstanding perception that these groups were physically homogenous.

Phthalates potentially alter levels of a pregnancy hormone that influences sex development
Exposure to hormone-altering chemicals called phthalates -- which are found in many plastics, foods and personal care products -- early in pregnancy is associated with a disruption in an essential pregnancy hormone and adversely affects the masculinization of male genitals in the baby, according to research led by the University of Pittsburgh Graduate School of Public Health.

How drinking behavior changes through the years
In the UK, frequent drinking becomes more common in middle to old age, especially amongst men, according to research published in the open-access journal, BMC Medicine.

Ancient Mongol metallurgy an extreme polluter
The ancient Mongols have a reputation for having been fierce warriors.

Researchers discover protein's pivotal role in heart failure
Researchers at the University of California, San Diego School of Medicine have identified a key piece in the complex molecular puzzle underlying heart failure -- a serious and sometimes life-threatening disorder affecting more than 5 million Americans.

Study: Little evidence that executive function interventions boost student achievement
Despite growing enthusiasm among educators and scholars about the potential of school-based executive function interventions to significantly increase student achievement, a federally funded meta-analysis of 25 years' worth of research finds no conclusive evidence that developing students' executive function skills leads to better academic performance, according to a new study published today in Review of Educational Research, a peer-reviewed journal of the American Educational Research Association.

No link between psychedelics and mental health problems
The use of psychedelics, such as LSD and magic mushrooms, does not increase a person's risk of developing mental health problems, according to an analysis of information from more than 135,000 randomly chosen people, including 19,000 people who had used psychedelics.

Surviving the 'most explosive era of infrastructure expansion' in 9 steps
One of the world's most acclaimed environmental researchers has warned of an 'explosive era' of infrastructure expansion across the globe, calling for a new approach to protect vulnerable ecosystems.

Stuck-in-the-mud plankton reveal ancient temperatures
New research in Nature Communications showing how tiny creatures drifted across the ocean before falling to the seafloor and being fossilized has the potential to improve our understanding of past climates.

Study simulates changes to admissions criteria for NYC's specialized high schools
A new report from NYU's Research Alliance for New York City Schools examines students' pathways from middle school to matriculation at a specialized high school, and simulates the effects of various admissions criteria that have been proposed as alternatives to the current policy -- which uses students' performance on the Specialized High School Admissions Test as the sole determinant of admission.

Oxytocin nasal spray causes men to eat fewer calories
A synthetic nasal formulation of the hormone oxytocin reduced caloric intake in healthy men, particularly consumption of fatty foods, after a single treatment, a new study finds.

Poverty, not the 'teenage brain' account for high rates of teen crime
While many blame the 'teenage brain' for high rates of teen crime, violence, and driving incidents, an important factor has been ignored: teenagers as a group suffer much higher average poverty rates than do older adults.

Molecule found in tree leaves helps female mice combat weight gain; males unaffected
A small molecule that binds to a receptor found on muscle cells speeds up energy metabolism -- but only in female mice.

Female fish that avoid mating with related species also shun some of their own
A new study offers insight into a process that could lead one species to diverge into two, researchers report in The American Naturalist.

New study points to better classrooms for children with disabilities
A pilot study in 51 North Carolina classrooms shows the effectiveness of a new measure in assessing the quality of practices in inclusive preschools.

Breeding success with DNA analysis
From healthier cattle to corn that is better adapted to climate change, the Synbreed project has made major breakthroughs in animal and plant breeding.

Making our highways safer and more efficient
All over the world, gridlock, stop and go driving and constant and sometimes dangerous lane changes are a daily frustration for highway motorists.

NYU chemists develop 'looking glass' for spotting sound molecular structures
NYU chemists have developed a computational approach for determining the viability and suitability of complex molecular structures -- an advancement that could aid in the development of pharmaceuticals as well as a range of other materials.

Semi-veggie diet effectively lowers heart disease, stroke risk
A pro-vegetarian diet that emphasizes a higher proportion of plant-based foods compared to animal-based foods may help lower the risks of dying from heart disease and stroke by up to 20 percent, according to a large-scale European study.

Dialysis patients may have faulty 'good' cholesterol
In kidney disease patients on hemodialysis or peritoneal dialysis, enzyme activities involved in HDL metabolism and HDL maturation were significantly altered.

Nutrient pollution damages streams in ways previously unknown, ecologists find
An important food resource has been disappearing from streams without anyone noticing until now.

BBC News team receives Endocrine Society journalism award
A team of BBC News journalists received the Endocrine Society's annual Award for Excellence in Science and Medical Journalism, the Society announced today.

New study links antidepressants with improved cardiovascular outcomes
A new study by researchers at the Intermountain Medical Center Heart Institute found that screening for and treating depression could help to reduce the risk of heart disease in patients with moderate to severe depression.

Tortuosity for fluid flow in 2-dimensional pore fractal models of porous media
Studies on tortuosity, which is one of the key parameters to characterize the transport properties of porous media, were recently published in FRACTALS.

'Habitable' planet GJ 581d previously dismissed as noise probably does exist
A report published in Science has dismissed claims made last year that the first super-Earth planet discovered in the habitable zone of a distant star was 'stellar activity masquerading as planets.' The researchers are confident the planet named GJ 581d, identified in 2009 orbiting the star Gliese 581, does exist, and that last year's claim was triggered by inadequate analysis of the data.

Hidden hazards found in green products
A University of Melbourne researcher has found that common consumer products, including those marketed as 'green,' 'all-natural,' 'non-toxic' and 'organic' emit a range of compounds that could harm human health and air quality.

Scientists report breakthrough in detecting methane
Deciphering the many pathways by which methane is produced is one of the holy grails of organic geochemistry.

Seven strategies to advance women in science
In the March 5 issue of the journal Cell Stem Cell, the Initiative on Women in Science and Engineering Working Group, a collection of more than 30 academic and business leaders organized by the New York Stem Cell Foundation, present seven strategies to advance women in science, engineering, and medicine in the modern landscape.

Evolving to cope with climate change
Researchers have successfully measured the potential of the Atlantic Silverside to adapt to ocean acidification.

£10 billion GP incentive scheme has no impact on premature deaths
A study conducted at the University of Manchester's Health eResearch Centre found that there was no link between a £10 billion pay-for-performance incentive scheme aimed at GP's and a reduction in premature deaths.

Effect of follow-up of MGUS on survival in patients with multiple myeloma
Patients with multiple myeloma appear to have better survival if they are found to have monoclonal gammopathy of undetermined significance first, the state that precedes MM and which is typically diagnosed as part of a medical workup for another reason, according to a study published online by JAMA Oncology.

Male smokers at higher risk than females for osteoporosis, fractures
In a large study of middle-aged to elderly smokers, men were more likely than women to have osteoporosis and fractures of their vertebrae.

If you come from a family with relatives who have lived long lives, you will too?
Recent research from the Long Life Family Study confirms that severe mortality-associated diseases are less prevalent in the families of long-lived individuals than in the general population.

Hot flashes at younger age may signal greater cardiovascular risk
Women who experience hot flashes earlier in life appear to have poorer endothelial function -- the earliest sign of cardiovascular disease -- than women who have hot flashes later in life or not at all, according to two new studies scheduled for presentation at the American College of Cardiology's 64th Annual Scientific Session in San Diego.

The tides they are a changin'
Scientists from the University of Southampton have found that ocean tides have changed significantly over the last century at many coastal locations around the world. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to