Brightsurf Science News & Current Events

April 29, 2015
Dust from the Sahara Desert cools the Iberian Peninsula
Spanish and Portuguese researchers have analyzed the composition and radiative effect of desert aerosols during two episodes which simultaneously affected Badajoz, Spain and Évora, Portugal in August 2012.

Friends and social networks valued by heart failure patients and health care providers
Most patients consult family first in assessing their heart failure symptoms.

Urine profiles provide clues to how obesity causes disease
Scientists have identified chemical markers in urine associated with body mass, providing insights into how obesity causes disease.

EORTC in EU blood-based cancer biomarkers consortium
Blood based tests are not only very useful when biopsies of the tumor are not feasible (i.e., limited access to tumor, etc.), but also such blood-based tests may allow a close follow-up, and thereby offer a way to monitor the efficacy of treatment and potentially improve the choice of treatment options.

An apple a day brings more apples your way
New Cornell Food and Brand Lab research found that individuals who ate an apple sample before shopping bought 25 percent more fruits and vegetables than those who did not eat a sample!

Bone marrow cell transplants used to treat fractures, lung injury, and renal obstruction
Mesenchymal stem cells have been transplanted to successfully treat several diseases and conditions.

Investment fears: How does the need for closure increase risk?
Logic would dictate that consumers receiving new market information would jump at the chance to adjust their investments accordingly.

Consumption rises with automated bill payment
The adage 'out of sight, out of mind' applies to utility consumption, according to new research from Duke University's Sanford School of Public Policy.

CSIC develops healthy 'snacks' from egg proteins
Researchers at the Spanish National Research Council have developed snacks using a technique based on egg hydrolysis.

Can photosynthesis be measured over large areas? MBL, Brown U. scientists find a way
By mounting cameras and spectral sensors over a forest canopy in central Massachusetts, scientists have developed an innovative system to measure plant photosynthesis over large areas, such as acres of crops or trees, using information on solar-induced fluorescence in the leaves.

Gene therapy clips out heart failure causing gene mutations
Gene therapy can clip out genetic material linked to heart failure and replace it with the normal gene in human cardiac cells, according to a study led by researchers from the Cardiovascular Research Center at Icahn School of Medicine at Mount Sinai.

Toxic combination of air pollution and poverty lowers child IQ
Children born to mothers experiencing economic hardship, who were also exposed during pregnancy to high levels of PAH (polycyclic aromatic hydrocarbons), scored significantly lower on IQ tests at age 5 compared with children born to mothers with greater economic security and less exposure to the pollutants.

Study finds ancient clam beaches not so natural
In their second study to be published in just over a year, an SFU led team of scientists has discovered that ancient coastal Indigenous people were more than hunter-gatherers.

Pharmaceutical industry regulation undermines NICE drugs appraisal work
Government policies that support UK pharmaceutical science and enhance export income are costing the NHS millions and undermine the National Institute for Health and Care Excellence.

Challenging work tasks may have an upside for the brain
Professionals whose jobs require more speaking, developing strategies, conflict resolution and managerial tasks may experience better protection against memory and thinking decline in old age than their co-workers, according to a new study published in the April 29, 2015, online issue of Neurology®, the medical journal of the American Academy of Neurology.

Markey launches app for cancer clinical trials
The University of Kentucky Markey Cancer Center recently launched a new iPhone app featuring a searchable database of the open clinical trials at Markey.

Quenching the thirst for clean, safe water
It is estimated that one in nine people globally lack access to safe water.

LA BioMed honors its legends and celebrates its future
The Legends reception will honor Drs. John E. Edwards, Samuel W.

Cytokine may play a major role in multiple sclerosis
Researchers discover the role of a major cytokine in multiple sclerosis that could be a target for new therapy against the disease.

Oral history of genetics now available online
The Genetics Society of America and Executive Producer Rochelle Easton Esposito, Ph.D., are pleased to announce that Conversations in Genetics, an oral history of our intellectual heritage in genetics, is now available for free online viewing at

In online movie marketing, less is more
Researchers found that cross-channel discounts for online movie sales don't cannibalize online rentals of the same movie.

Renowned researcher from NYU Langone Medical Center elected to National Academy of Sciences
Internationally renowned researcher Danny Reinberg, Ph.D., the Terry and Mel Karmazin Professor of Biochemistry and Molecular Pharmacology at NYU Langone Medical Center, has joined the prestigious ranks of the National Academy of Sciences, one of the highest honors bestowed on an individual in recognition of continuing and distinguished achievements in original research.

Prevent type 2 diabetes blood-sugar spikes by eating more protein for breakfast
Individuals with type 2 diabetes have difficulty regulating their glucose -- or blood sugar -- levels, particularly after meals.

Even an hour of TV a day ups risk of childhood obesity
Children who view television as little as an hour a day are significantly more likely to be overweight or obese and gain more unhealthy weight over time, according to a new study from the University of Virginia School of Medicine.

Two NASA views of newborn Tropical Cyclone Quang
The tropical low pressure area formerly known as System 98S has organized and developed into Tropical Cyclone Quang in the Southern Indian Ocean.

Shrinking budget? Consumers choose less variety when investing or shopping
When consumer budgets grow or shrink, how do spending habits change?

Medical education risks becoming 2-tiered unless strong research focus is preserved
Exposing students to basic and clinical research has been an essential component of medical school education in the United States.

Lack of oxygen in the groundwater
Geoscientists of Jena University analyze soil contamination through melt waters at airports: in the science magazine Environmental Science and Pollution Research the scientists wrote that de-icing agents like propylene glycol and potassium formate have a negative impact on groundwater quality and the functions of the soil.

University of Louisville researchers detail role of silica and lung cancer
Researchers at the University of Louisville have detailed a critical connection associated with a major environmental cause of silicosis and a form of lung cancer.

Now cats, too: First US data shows nonsurgical dog neuter shot also effective in cats
If veterinarians could sterilize male cats and dogs with a simple shot for less than a dollar a dose, why choose surgery?

Racial disparities seen in initial access to blood flow for hemodialysis
Black and Hispanic patients will less frequently than white patients start hemodialysis with an arteriovenous fistula -- connecting an artery to a vein for vascular access -- a procedure for initial blood flow access known to result in superior outcomes compared with either catheters or arteriovenous grafts, according to a report published online by JAMA Surgery.

A study analyzes the distance children are willing to walk to school
A study conducted by researchers from the universities of Granada, Cambridge and East Anglia has for the first time analyzed the distance that children are willing to walk to school every day, and has quantified how it increases with age.

Erosion, landslides and monsoon across the Himalayas
Scientists from Nepal, Switzerland and Germany were able to show how erosion processes caused by the monsoon are mirrored in the sediment load of a river crossing the Himalayas.

Rare sperm whale fossils discovered in Panama
Rare fossils from extinct pygmy sperm whales found in Panama indicate the bone involved in sound generation and echolocation, the spermaceti organ, reduced in size throughout the whales' evolution.

Novel rapid method for typing of Clostridium difficile could limit outbreaks
The Public Health Agency of Sweden has developed a method of typing that can allow laboratories to faster establish the presence of hospital outbreaks of the intestinal bacterium Clostridium difficile.

Making robots more human
Most people are naturally adept at reading facial expressions -- from smiling and frowning to brow-furrowing and eye-rolling -- to tell what others are feeling.

Gender equality linked with higher condom use in HIV positive young women in South Africa
Young HIV positive women are more likely to practice safer sex if they have an equitable perception of gender roles, according to new research involving the University of Southampton.

How does a honeybee queen avoid inbreeding in her colony?
Recombination, or crossing-over, occurs when sperm and egg cells are formed and segments of each chromosome pair are interchanged.

Report: Brain-injured patients need therapies based on cognitive neuroscience
Patients with traumatic brain injuries are not benefiting from recent advances in cognitive neuroscience research -- and they should be, scientists report in a special issue of Current Opinion in Behavioral Sciences.

NEJM reports promising results of phase 1/2 trial of rociletinib in EGFR lung cancer
The New England Journal of Medicine reports results of a multi-center phase I/II study of the investigational anti-cancer agent rociletinib in patients with EGFR-mutant non-small cell lung cancer that had progressed after previous treatment with EGFR inhibitors.

High-dose sodium nitrite with citric acid creams better than placebo for anogenital warts
A high-dose treatment of sodium nitrite, 6 percent, with citric acid, 9 percent, creams applied twice daily was more effective than placebo for treating the common sexually transmitted disease of anogenital warts, according to an article published online by JAMA Dermatology.

Rociletinib shows promising activity against treatment-resistant EGFR-mutated lung cancer
A new targeted therapy drug against EGFR-mutation driven lung tumors that have become resistant to current therapies shows activity against the most common resistance mutation, significantly improving outcomes for patients.

Three secrets to healthier eating
A new Cornell study analyzed 112 studies that collected information about healthy eating behaviors and found that most healthy eaters did so because a restaurant, grocery store, school cafeteria, or spouse made foods like fruits and vegetables visible and easy to reach (convenient), enticingly displayed (attractive), and appear like an obvious choice (normal).

UTHealth researchers use 'knockout humans' to connect genes to disease risk
Researchers at The University of Texas Health Science Center at Houston are helping to make precision medicine a reality by sequencing entire exomes of people to assess chronic disease risk and drug efficacy.

Locally sourced drugs can be effective for treating multidrug-resistant TB
Locally sourced antibiotics can be as effective as 'internationally quality-assured' antibiotics for treating multidrug-resistant tuberculosis in Pakistan, and may help avoid delays in starting treatment while programs wait for drugs to arrive from overseas, according to new research.

The Lancet: Life expectancy inequalities in England and Wales set to rise over next 15 years
By 2030, life expectancy in England and Wales is expected to reach 85.7 years for men and 87.6 years for women -- closing the gap between male and female life expectancy from 6.0 years in 1981 to just 1.9 years by 2030, according to a new study published in The Lancet.

Science academies hand over statements for G7 summit to German Chancellor Merkel
Today the national science academies of the G7 countries handed three statements to their respective heads of government for discussion during the G7 summit at Schloss Elmau in early June 2015.

Enron becomes unlikely data source for computer science researchers
Computer science researchers have turned to unlikely sources -- including Enron -- for assembling huge collections of spreadsheets that can be used to study how people use this software.

Measuring customer value? Don't overlook product returns
When trying to identify 'good' customers, managers often ignore those who return products, or might even consider those customers non-ideal, decreasing the resources devoted to them.

Drug-resistant bacteria common for nursing home residents with dementia
A new study found one in five nursing home residents with advanced dementia harbor strains of drug-resistant bacteria and more than 10 percent of the drug-resistant bacteria are resistant to four or more antibiotic classes.

Novel approach blocks amyloid production in Alzheimer's mouse model
Offering a potential early intervention for Alzheimer's disease, researchers at University of California, San Diego School of Medicine and Cenna Biosciences, Inc. have identified compounds that block the production of beta amyloid peptides in mice.

Why do obese men get bariatric surgery far less than women?
A new study by researchers at the University of California, San Diego School of Medicine has identified demographic, socioeconomic and cultural factors that contribute to a major gender disparity among US men and women undergoing weight loss surgeries.

Geological foundations for smart cities: Comparing early Rome and Naples
Geological knowledge is essential for the sustainable development of a 'smart city' -- one that harmonizes with the geology of its territory.

Drug that can prevent the onset of diabetes is rarely used
Few doctors are prescribing a low-cost drug that has been proven effective in preventing the onset of diabetes.

Brain circuitry for positive vs. negative memories discovered in mice
Neuroscientists have discovered brain circuitry for encoding positive and negative learned associations in mice.

No quick fixes for developing world's solid waste management crisis
As the world population, economy and consumption grows, a complex and multi-dimensional approach is needed to manage a rising tide of solid waste, researchers say in a study published in the journal Waste Management.

UM researcher: Forest canopies buffer against climate change
Current models of how forests will respond to climate change don't account for differences between adult and juvenile trees.

Can cheap wine taste great? Brain imaging and marketing placebo effects
When consumers taste cheap wine and rate it highly because they believe it is expensive, is it because prejudice has blinded them to the actual taste, or has prejudice actually changed their brain function, causing them to experience the cheap wine in the same physical way as the expensive wine?

Traumatic events, financial struggles may threaten women's heart health
Traumatic life events such as losing a child or a spouse increased the chances of a heart attack by more than 65 percent among middle-aged and older women regardless of heart disease risk factors or socioeconomic status.

Young adults born preterm may live with lungs of elderly, study finds
Adult survivors of preterm births may have a lung capacity that resembles the healthy elderly or casual smokers by the time they reach their early 20s, according to a University of Oregon study.

Calling 911 in rural areas leads to faster heart attack care
Fifty-two percent of patients in rural areas with severe heart attacks drove themselves to the hospital or were driven in instead of calling 911.

Soldier beetle went a-courtin'
Being bigger and bolder holds various benefits for male soldier beetles.

Researchers find 200-year lag between climate events in Greenland, Antarctica
A new study using evidence from a highly detailed ice core from West Antarctica shows a consistent link between abrupt temperature changes on Greenland and Antarctica during the last ice age, giving scientists a clearer picture of the link between climate in the northern and southern hemispheres.

The key to reducing pain in surgery may already be in your hand
According to new research from Cornell University, the simple act of texting someone on a mobile phone during a minor surgical procedure done under local anesthetic can significantly reduce a patient's demand for narcotic pain relief.

UH-led team successfully observes the solar eclipse over the Arctic
The international Solar Wind Sherpas team, led by Dr. Shadia Habbal of the University of Hawaii at Manoa Institute for Astronomy, braved Arctic weather to successfully observe the total solar eclipse of March 20 from Longyearbyen on the island of Spitsbergen in the Svalbard archipelago east of northern Greenland.

Low health literacy linked to heart failure deaths after hospitalization
Acute heart failure patients are more likely to die within two years of hospitalization if they have trouble understanding and using health information.

New tools designed to achieve big fuel savings in fishing vessels
AZTI, the expert R&D centre in marine and foodstuff innovation, has presented energy efficiency developments for vessels: the product 'GESTOIL' (on-board consumption measuring and monitoring) and the service 'AUDOIL' (fishing vessel energy audit).

Extinct species skull shape, ancestors help predict prehistoric diet
Understanding extinct species' diets may require a greater understanding of the relationship between skull biomechanics and the animals' ancestry than previously thought.

Study advances new tool in the fight against invasive species
Asian carp. Burmese python. Hemlock woolly adelgid. These are just some of the most destructive pests and the world's worst invasive species that raise the hackles of fisherman, farmers, and wildlife managers everywhere they invade.

Brain tumor patients should be screened for depression
Because depression in brain cancer patients is a common but often overlooked condition, oncologists should regularly screen tumor patients for depression, according to an article in the current issue of CNS Oncology.

Parents describe arduous journey from diagnosis to pediatric epileptic surgery
Now, parents share their arduous and 'circuitous' journey to get referrals for pediatric epilepsy surgery once their child's disease stops responding to anti-seizure medications.

Multifractals suggest the existence of an unknown physical mechanism on the sun
The famous sunspots on the surface of the Earth's star result from the dynamics of strong magnetic fields, and their numbers are an important indicator of the state of activity on the sun.

Stem cell transplantation for multiple myeloma: New data did not change conclusion
After an update search, IQWiG was able to include further studies in the assessment.

UTSW scientists identify key receptors behind development of acute myeloid leukemia
UT Southwestern Medical Center scientists have discovered that a certain class of receptors that inhibit immune response are crucial for the development of acute myeloid leukemia, the most common acute leukemia affecting adults.

Transforming all donated blood into a universal type
Every day, thousands of people need donated blood. But only blood without A- or B-type antigens, such as type O, can be given to all of those in need, and it's usually in short supply.

Organic farming can reverse the agriculture ecosystem from a carbon source to a carbon sink
Lessening GHG emissions tops the agenda of the world's sustainable development research today.

Is quality or cost more essential? The international cellphone market
As businesses move into international markets, they often do so with a 'one size fits all' customer satisfaction strategy.

Giving to charity: Feeling love means doing more for distant strangers
Marketers often use positive emotions such as hope, pride, love, and compassion interchangeably to encourage people to donate to charitable causes.

Researchers closer to being able to change blood types
What do you do when a patient needs a blood transfusion but you don't have their blood type in the blood bank?

High costs of dental care leave many with too little money for basic necessities
Having to pay for dental health care can put a considerable strain on household finances in many countries, according to an international study led by King's College London.

Inspired by humans, a robot takes a walk in the grass
In a rolling, outdoor field, full of lumps, bumps and uneven terrain, researchers at Oregon State University last week successfully field-tested for the first time the locomotion abilities of a two-legged robot with technology that they believe heralds the running robots of the future.

Uncovering new functions of a gene implicated in cancer growth opens new therapeutic possibilities
Weill Cornell Medical College researchers have shown for the first time that a gene previously implicated in blood vessel formation during embryonic development and tumor growth also induces immune suppression during tumor development.

Improved sanitation may reduce sexual violence in South African townships
Improving access to public toilets in South African urban settlements may reduce both the incidence of sexual assaults by nearly 30 percent and the overall cost to society, a study by researchers at the Yale School of Public Health and Yale School of Management found.

Case Western Reserve, Cleveland Clinic collaborate with Microsoft on reality technology
Case Western Reserve radiology professor Mark Griswold knew his world had changed the moment he first used a prototype of Microsoft's HoloLens headset.

Medical education: Guiding professional identity to prevent burnout
In 23 papers in the June issue of Academic Medicine, medical educators and students discuss how guided reflection, coursework and mentoring can foster the 'professional identity formation' process needed for doctors to become and remain committed, ethical, and humanist physicians during a career with many challenges and stresses.

The science behind spite
DB Krupp and Peter Taylor offer twist on evolutionary theory which could help explain racism and other forms of prejudice.

Scientist receives March of Dimes Developmental Biology Prize
Dr. Rudolf Jaenisch, the 20th Anniversary recipient of the March of Dimes Prize in Developmental Biology, has brought the prize full circle.

Epilepsy alters organization of brain networks and functional efficiency
Epilepsy, a disorder characterized by abnormal neuronal activity in certain regions of the brain, leads to organizational changes that can alter brain efficiency at the level of the whole brain.

Combined chemotherapy and immunotherapy shows promise for advanced prostate cancers
Researchers at the University of California, San Diego School of Medicine report that blocking or removing immune-suppressing cells allows a special type of chemotherapy -- and the immune cells it activates -- to destroy prostate tumors.

UT Southwestern's Dr. Philipp Scherer to receive Banting Medal for diabetes research
Dr. Philipp Scherer, Director of the Touchstone Center for Diabetes Research at UT Southwestern Medical Center, will receive the prestigious Banting Medal for Scientific Achievement, the highest honor bestowed by the American Diabetes Association.

Most people eager to know the secrets of their genetics
98 percent of people want to be told about indicators of a serious preventable or treatable disease found by researchers using their genomic data, according to a survey of nearly 7,000 people.

Study links quitting smoking with deterioration in diabetes control
Sufferers of type 2 diabetes mellitus who quit smoking are likely to see a temporary deterioration in their glycaemic control which could last up to three years, according to new research published today in The Lancet Diabetes & Endocrinology.

New study shows how babies' lives were saved by 3-D printing
Study reports outcomes for three boys who became the first in the world to benefit from groundbreaking 3-D printed devices that saved their lives at U-M's C.S.

Research seeks alternatives for reducing bacteria in fresh produce using nanoengineering
Nearly half of foodborne illnesses in the US have been attributed to contaminated fresh produce.

Can China sustain annual pollution reductions?
China's government and other sources say that the country's carbon-dioxide emissions flattened out between 2013 and 2014.

Artificial photosynthesis could help make fuels, plastics and medicine
The global industrial sector accounts for more than half of the total energy used every year.

Breast cancer in young women -- unique goals for treatment and research
Breast cancer that occurs in young women is likely to be more aggressive and to require more intensive types of therapy with increased risk of long-term treatment-related toxicities.

Danish discovery may change cancer treatment
Danish researchers from the University of Copenhagen and Herlev Hospital have made a discovery that may change the principles for treating certain types of cancer.

Lieber Institute for Brain Development shares grant to study origins of schizophrenia
Daniel R. Weinberger, M.D., CEO at LIBD explains that 'this type of collaborative research support is fundamental...

Gene variants show potential in predicting rheumatoid arthritis disease outcomes
Arthritis Research UK-funded scientists at the University of Manchester have identified a new way in which genotyping can be used to predict disease outcomes among sufferers of rheumatoid arthritis.

LVADs may lead to declines in health, cognitive thinking in some heart failure patients
Left ventricular assist devices are life-prolonging devices for patients with advanced heart failure but they also may leave some patients in poor health with declines in brain function.

Preventive gynecology special issue honors memory of deceased pioneer
The special issue, 'Prevention of gynecological cancers: in memory of Mario Sideri,' consists of nine articles centered around Dr.

Making sense of smell: Will bio-inspired robots sniff out bombs, drugs and disease?
Researchers from Arizona State University, along with an international team from Germany, Japan and the UK, are investigating how the brain is able to separate specific odors in a natural environment.

Halving of alcohol-fueled car crashes since mid-1980s boosted US economy by $20 billion
The halving of alcohol-fueled car crashes since the mid-1980s boosted US economic output by $20 billion, increased national income by $6.5 billion, and created 215,000 jobs in 2010, reveals an analysis of the economic impact of drink-driving, published online in the journal Injury Prevention.

A phone with the ultimate macro feature
Researchers at the University of California, Los Angeles have recently developed a device that can turn any smartphone into a DNA-scanning fluorescent microscope.

The trillion-frame-per-second camera
Researchers from Japan have developed a new high-speed camera that can record events at a rate of more than 1-trillion-frames-per-second.

Physical mechanisms of summer spatiotemporal precipitation variations over mid-latitude Eurasia
One of the hotspots in studying climate change is the spatiotemporal precipitation variations.

Chromosome-folding theory shows promise
Rice University biophysicists are working toward an energy-landscape theory for chromosomes.

Tracking tiny songbirds across continents
A pair of newly published papers in The Condor: Ornithological Applications lay out a method for outfitting birds with geolocators or radio transmitters that cuts precious weight from the package, allowing the devices to be used on very small birds, and demonstrate that the trackers do not harm the birds or impede their migration.

NJIT's new solar telescope unveils the complex dynamics of sunspots' dark cores
Groundbreaking images of the sun captured by scientists at NJIT's Big Bear Solar Observatory give a first-ever detailed view of the interior structure of umbrae -- the dark patches in the center of sunspots -- revealing dynamic magnetic fields responsible for the plumes of plasma that emerge as bright dots interrupting their darkness.

Your brain on drugs: Functional differences in brain communication in cocaine users
The brain function of people addicted to cocaine is different from that of people who are not addicted and often linked to highly impulsive behavior, according to a new scientific study.

Durable benefits seen for lung volume reduction surgery for emphysema
In 2003, the results of the National Emphysema Treatment Trial demonstrated that lung volume reduction surgery (LVRS) could improve lung function in patients with emphysema, and that the procedure led to improved survival.

New fossil rattles Moby Dick's family tree
An international team of scientists, led by the Natural History Museum of Los Angeles County's Curator of Marine Mammals Dr.

First miniature synchrotron now in commercial operation
Lyncean Technologies, Inc. today announced the commercial operation of a Compact Light Source (CLS), the world's first miniature synchrotron X-ray source.

People will live longer than official estimates predict, say researchers
A new study forecasting how life expectancy will change in England and Wales has predicted people will live longer than current estimates.

New Big Data era pushes training need for bioinformatics in life sciences
In the advent of big data, the requirement for bioinformatics training as an integral part in life science research is becoming increasingly apparent.

Illuminating the dark zone
A new study conducted by scientists at UCSB reveals a novel function for WDR5, a protein known for its critical role in gene expression.

New therapy from naïve cells attacks high-risk viruses in cord blood transplant patients
Researchers in the Center for Cell and Gene Therapy at Baylor College of Medicine, Houston Methodist and the Texas Children's Hospital have expanded the use of virus-specific cell therapy in cord blood transplant patients to successfully prevent three of the most problematic post-transplant viruses affecting this group of patients that have yet to be addressed clinically -- cytomegalovirus, Epstein-Barr virus, and adenovirus.

New study reveals socioeconomic changes in the nation's neighborhoods over time
Researchers uncover the areas that best weathered the recessions and the housing bubble crisis of the 2000s.

Can skull shape and function determine what kind of food was on prehistoric plates?
When paleontologists put together a life history for a long-extinct animal, it's common to infer the foods it ate by looking at modern animals with similar skull shapes and tooth patterns.

DNA suggests all early Eskimos migrated from Alaska's North Slope
Genetic testing of Iñupiat people currently living in Alaska's North Slope is helping Northwestern University scientists fill in the blanks on questions about the migration patterns and ancestral pool of the people who populated the North American Arctic over the last 5,000 years.

Closing the case on an ancient archeological mystery
Climate change may be responsible for the abrupt collapse of civilization on the fringes of the Tibetan Plateau around 2000 B.C.

Ice core reveals ocean currents transmitted climate changes from Arctic to Antarctic
A new highly detailed ice core from West Antarctica has revealed a consistent pattern of climate changes that started in the Arctic and spread across the globe to the Antarctic during planet Earth's last glacial period.

Five-year survivors of esophageal cancer still face low but constant risks
In 2015 about 17,000 new cases of esophageal cancer will be diagnosed; about 15,600 people will die from the disease. 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