Brightsurf Science News & Current Events

September 04, 2013
Making cars that are lightweight and crash-safe
Lightweight or crash-safe -- must it always be a trade-off for auto makers?

Almac Discovery and Queen's launch £13M cancer drug discovery partnership
A new £13 million partnership to accelerate cancer-focused drug discovery in Northern Ireland has been launched by Enterprise Minister Arlene Foster MLA.

Better hygiene in wealthy nations may increase Alzheimer's risk
New research has found a 'very significant' relationship between a nation's wealth and hygiene and the Alzheimer's 'burden' on its population.

Pacific flights create most amount of ozone
The amount of ozone created from aircraft pollution is highest from flights leaving and entering Australia and New Zealand, a new study has shown.

Life purpose buffers negative moods triggered by diversity
Being in the minority in an ethnically diverse crowd is distressing, regardless of your ethnicity, unless you have a sense of purpose in life, reports a Cornell University developmental psychologist.

NIH grants Brown University $11 million for brain research
Brown University is launching five research projects on the neuroscience of attention and related disorders, part of a new COBRE Center for Central Nervous System Function.

AHA 2013 Chicago Research Network Symposium
Heart research in Chicago will enter a new era Sept.

Wiring microbes to conduct and produce electricity faster
A team of researchers in Ireland have found evidence that altering the chemistry of an electrode surface (surface engineering) can help microbial communities to connect to the electrode to produce more electricity (electron-exchange) more rapidly compared to unmodified electrodes.

Biology texts geared toward pre-med students, analysis finds
College biology textbooks cater to the needs of pre-med majors and not those of the majority of students who take introductory science classes, a new study reveals.

Biomaterials for repair of long-segment peripheral nerve defects
Autografts or allografts are commonly used in the repair of damaged peripheral nerves.

Research highlights from ICAAC meeting
This is selected research from the upcoming 53rd Interscience Conference on Antimicrobial Agents and Chemotherapy.

Study shows that people who undergo cataract surgery to correct visual impairment live longer
People with cataract-related vision loss who have had cataract surgery to improve their sight are living longer than those with visual impairment who chose not to have the procedure, according to an Australian cohort study published this month in Ophthalmology, the journal of the American Academy of Ophthalmology.

Help-seeking patterns of young adults focus of new study
According to Sarah Narendorf, an assistant professor at the University of Houston Graduate College of Social Work, young adults with untreated mental disorders often find themselves seeking urgent care through expensive, psychiatric emergency room services.

Finnish study on climate change: Procrastination over mitigation measures could prove costly
Forecasts about global warming and its consequences are shrouded in uncertainty.

Researchers study survival in African American versus Caucasian lung cancer patients
In the Oct. issue of the International Association for the Study of Lung Cancer's journal, the Journal of Thoracic Oncology, researchers conclude that while proportionally more blacks present with late-stage disease there is no difference in stage-adjusted lung cancer mortality between blacks and whites of similar low socioeconomic status.

Mount Sinai receives NIH grant to increase colorectal cancer screenings in African Americans
Researchers at the Icahn School of Medicine at Mount Sinai have received a multi-year National Institutes of Health grant to determine factors which may influence why African Americans are less likely than others to receive colorectal cancer (CRC) screenings, despite having the highest CRC incidence and mortality of any ethnic/racial group in America.

Using harsh verbal discipline with teens found to be harmful
A longitudinal study of 967 two-parent families and their children has found that harsh verbal discipline, the psychological force causing emotional pain or discomfort to correct or control behavior, in early adolescence can be harmful to teens later.

It's rocket science at Penn State's Applied Research Lab
Rocket engines will soon be blazing away in a series of tests at Penn State's University Park campus, enabling students to gain a better understanding of rocket performance and share some of their knowledge with NASA, according to an agreement reached between the University's Applied Research Laboratory and NASA's Lyndon B.

Exercise may reduce the risk of epilepsy later in life for men
New research suggests that men who exercise vigorously as young adults may reduce their risk of developing epilepsy later in life.

Key research from the 2013 Breast Cancer Symposium highlights new insights
New studies exploring breast cancer risk perceptions and use of radiotherapy and MRI for women with ductal carcinoma in situ (DCIS, a preinvasive form of breast cancer) were highlighted today in a virtual presscast in advance of the 2013 Breast Cancer Symposium.

Knowing exposure risks important to saving structures from wildfires
A study by the National Institute of Standards and Technology and the US Forest Service of one of California's most devastating wildland fires -- the 2007 Witch Creek/Guejito fire -- strongly suggests that measures for reducing structural damage and property loss from wildland urban interface fires are most effective when they are based on accurate assessments of exposure risks both for individual structures and the community as a whole.

Treatment of children with cerebral palsy could be boosted by Strathclyde research
Analysis of speech patterns of young people affected by cerebral palsy could enhance understanding of why they can have difficulties talking.

Swallowing exercises preserve function in head and neck cancer patients receiving radiation
A study from UCLA's Jonsson Comprehensive Cancer Center has found that head and neck cancer patients receiving radiation as part of their treatment were less likely to suffer unwanted side effects such as worsening of diet, need for a feeding tube, or narrowing of the throat passage if they complied with a set of prescribed swallowing exercises called a swallow preservation protocol during therapy.

TB and Parkinson's disease linked by unique protein
A protein at the center of Parkinson's disease research now also has been found to play a key role in causing the destruction of bacteria that cause tuberculosis, according to scientists led by UC San Francisco microbiologist and tuberculosis expert Jeffery Cox, Ph.D.

Accelerated radiotherapy more efficient than current practice
Radiotherapy with or without chemotherapy is increasingly being used in the curative treatment for un-resected non-small cell lung cancer (NSCLC).

The difference between obsession and delusion
Because animals can't talk, researchers need to study their behavior patterns to make sense of their activities.

Youthful stem cells from bone can heal the heart, Temple scientists report
Researchers at Temple University School of Medicine's Cardiovascular Research Center have discovered that when it comes to the regeneration of heart tissue, cortical bone-derived stem cells might do a better job than the heart's own stem cells.

FIBRO-TARGETS -- Europe banks on cardiac fibrosis as a therapeutic target in heart failure
The European Union commits funds to the FIBRO-TARGETS (Targeting cardiac fibrosis for heart failure treatment) research consortium, to be coordinated by Inserm over a four-year period.

UNC partners with NIH to explore genomic testing for newborns
As the clinical use of genomic testing expands, the practical and ethical considerations of using the technology to screen newborns for genetic conditions will be the focus of a new study undertaken at the University of North Carolina.

IRB and PharmaMar invent a method to reproduce marine substances of pharmacological interest
This advance opens the door to copying and improving 38 natural molecules derived from marine sponges that are very promising for the treatment of various diseases.

Scripps Florida scientists link a protein to initial tumor growth in several cancers
A team led by scientists from The Scripps Research Institute have shown that a protein once thought to inhibit the growth of tumors is instead required for initial tumor growth.

INRS awarded $1.6 M for a unique applied research program on wireless networks and systems
Developing smart wireless applications such as smart homes, hospitals, vehicles, power grids, or cities requires multidisciplinary trainin.

MRI right before or after surgery does not benefit women with early breast cancer
A Memorial Sloan-Kettering Cancer Center study shows that the use of MRI before or immediately after surgery in women with DCIS was not associated with reduced local recurrence or contralateral breast cancer rates.

Bismuth-carrying nanotubes show promise for CT scans
Scientists at Rice University are placing bismuth in nanotubes to tag stem cells for efficient tracking with CT scanners.

Study: Simian foamy viruses readily occur between humans and macaques in urban Bangladesh
An international research team from the University of Washington, Fred Hutchinson Cancer Research Center and Jahangirnagar University has been examining transmission of a virus from monkeys to humans in Bangladesh, one of the world's most densely populated countries.

Your finger's pulse holds the key to your heart's health
A University of Iowa physiologist has a new technique to measure the stiffness of the aorta, a common risk factor for heart disease.

Only known hibernating primate has unique sleep patterns
Fat-tailed dwarf lemurs are the only primates known to hibernate, and new research suggests their sleep patterns during hibernation are markedly different from those of ground squirrels, which also hibernate at similar temperatures.

New laser-based tool could dramatically improve the accuracy of brain tumor surgery
A new laser-based technology may make brain tumor surgery much more accurate, allowing surgeons to tell cancer tissue from normal brain at the microscopic level while they are operating, and avoid leaving behind cells that could spawn a new tumor.

Spouses play an important role in planning for retirement, researcher finds
As Baby Boomers begin entering retirement, some may find themselves unprepared for the transition.

A new view of brain tumors
In the battle against brain cancer, doctors now have a new weapon -- a new imaging technology that will make brain surgery dramatically more accurate by allowing surgeons to distinguish -- at a microscopic level -- between brain tissue and tumors.

Researchers discover a new pathway in blood vessel inflammation and disease
Case Western Reserve researchers have identified a genetic factor that blocks the blood vessel inflammation that can lead to heart attacks, strokes and other potentially life-threatening events.

The next era in discovering drugs in nature's own medicine cabinet
New technology for discovering antibiotics, anti-cancer drugs and other medicines inside soil microbes and other natural sources is reviving a treasure hunt that already has given humanity more than 50 percent of today's prescription drugs.

A new form of aspirin to overcome 'aspirin resistance'
Scientists are reporting development of a new form of aspirin -- taken daily by about 60 million people in the United States alone to reduce the risk of heart attack and stroke -- that could extend aspirin's benefits to people who may not respond to the drug.

Almost 20 percent of grain in China lost or wasted from field to fork
A comprehensive new review of food waste in the People's Republic of China has concluded that about 19 of every 100 pounds of grain produced in the country go to waste, with related losses of water for irrigation and farmland productivity.

LSU psychologist discovers intricacies about lying
How you remember a lie may be impacted profoundly by how you lie, according to a new study by LSU Associate Professor Sean Lane and former graduate student Kathleen Vieria.

Live streaming enjoyment for multi-screen applications
Researchers have developed the FAMIUM development platform and are using it to create new application scenarios for adaptive video streaming in web browsers.

Wetlands could be key in revitalizing acid streams, UT Arlington researchers say
A team of Texas biologists working with stream samples from the Adirondack Forest Preserve in New York says watershed wetlands can serve as a natural source for the improvement of streams in the Adirondacks that have been polluted by acid rain.

Back of pack health warnings make little impact on teen smokers
Back of pack picture or text warnings depicting the dangers of smoking, make little impact on teen smokers, particularly those who smoke regularly, suggests research published online in Tobacco Control.

Juniper essential oil characteristics determined
Scientists evaluated Rocky Mountain juniper trees for changes in year-round essential oil content and composition.

Children benefit from positive peer influence in afterschool programs
Children in afterschool programs who have a sense of connectedness with their peers are less likely to report emotional problems, according to Penn State researchers.

4 institutions from Nepal win the 2013 edition of the António Champalimaud Vision Award
The 2013 António Champalimaud Vision Award recognizes the humanitarian and clinical work of four Non-Governmental Organizations from Nepal.

Relationship of kidney function estimates to risk improves by measuring cystatin C in the blood
A new, international study that use of blood levels of cystatin C to estimate kidney function -- alone or in combination with creatinine -- strengthens the association between kidney function and risks of death and end-stage renal disease.

Chlamydia and gonorrhoea infections linked to pregnancy complications
Becoming infected with chlamydia or gonorrhoea in the lead-up to, or during, pregnancy, increases the risk of complications, such as stillbirth or unplanned premature birth, indicates research published online in the journal Sexually Transmitted Infections.

Covance and the Indiana CTSI to collaborate on early clinical research
Covance Inc., a leading global drug development services company, and the Indiana Clinical and Translational Sciences Institute, part of the Indiana University School of Medicine, today announced an agreement to collaborate in conducting early clinical trials for new medicines on behalf of biotechnology and pharmaceutical companies.

In with antennas, out with cables
An eyesore and a tripping hazard in one: cable clutter is a real nuisance.

NIH program explores the use of genomic sequencing in newborn healthcare
Can sequencing newborns' genomes provide useful medical information beyond what current newborn screening already provides?

Queen Mary scientists uncover genetic similarities between bats and dolphins
The evolution of similar traits in different species, a process known as convergent evolution, is widespread not only at the physical level, but also at the genetic level, according to new research led by scientists at Queen Mary University of London and published in Nature this week.

Faulty internal recycling by brain's trash collectors may contribute to Alzheimer's
A defective trash-disposal system in the brain's resident immune cells may be a major contributor to neurodegenerative disease, a scientific team from the Stanford University School of Medicine has found.

Chemotherapy helps elderly patients with small cell lung cancer
In the Oct. issue of the International Association for the Study of Lung Cancer's journal, the Journal of Thoracic Oncology, researchers conclude that chemotherapy is associated with a greater than six-month improvement in median survival among elderly patients with SCLC, even in patients over the age of 80 years.

NCI renews support for major thyroid-cancer research effort at Ohio State
The National Cancer Institute has awarded a five-year $11.3 million grant to a team of researchers at The Ohio State University Comprehensive Cancer Center -- James Cancer Hospital and Solove Research Institute to further their studies on thyroid cancer.

Megabladder mouse model may help predict severity of pediatric kidney damage
A new study of the megabladder mouse model suggests that tracking changes in the expression of key genes involved in kidney disease could help physicians predict the severity of urinary tract obstruction in pediatric patients, which could help identify children at the greatest risk of chronic kidney disease and permanent organ damage.

Ability to delay gratification may be linked to social trust, new CU-Boulder study finds
A person's ability to delay gratification -- forgoing a smaller reward now for a larger reward in the future -- may depend on how trustworthy the person perceives the reward-giver to be, according to a new study by researchers at the University of Colorado Boulder.

Platelet Golgi apparatus and their significance after acute cerebral infarction
Expression of soluble CD40L has been shown to increase sig-nificantly in conditions such as stroke, myocardial infarction, unstable angina, high cholesterol, or other cardiovascular events.

Look at what I'm saying
University of Utah bioengineers discovered our understanding of language may depend more heavily on vision than previously thought: under the right conditions, what you see can override what you hear.

2013 Reed Elsevier Environmental Challenge winners announced
Reed Elsevier, a world-leading provider of professional information solutions, today announced the winners of the 2013 Reed Elsevier Environmental Challenge, which supports innovative solutions to improve sustainable access to safe water and sanitation.

Clinical tool accurately classifies benign and malignant spots on lung scans of smokers
A Terry Fox Research Institute-led study has developed a new clinical risk calculator software that accurately classifies, nine out of ten times, which spots or lesions are benign and malignant on an initial lung computed tomography scan among individuals at high risk for lung cancer.

Yelling doesn't help, may harm adolescents, Pitt-Led study finds
Most parents who yell at their adolescent children wouldn't dream of physically punishing their teens.

Pain-free microneedle influenza vaccine is effective, long-lasting
Scientists have developed an influenza vaccine delivered via microneedle patch that provided 100 percent protection against a lethal influenza virus in mice more than one year after vaccination.

Gravity variations much bigger than previously thought
A joint Australian-German research team led by Curtin University's Dr Christian Hirt has created the highest-resolution maps of Earth's gravity field to date -- showing gravitational variations up to 40 percent larger than previously assumed.

New breakthrough for structural characterization of metal nanoparticles
Researchers at the Xiamen University in China and the University of Jyväskylä in Finland have characterized a series of stable 1.5 nm metal nanoclusters containing 44 metal atoms, stabilized by 30 organic thiol molecules on the surface.

First study to investigate the human genome in multiple sclerosis
The National Institutes of Health awarded Benaroya Research Institute at Virginia Mason a $1.9 million grant to find marks in the human genome which can explain why some white blood cells cause damage to the spinal cord and brain in multiple sclerosis (MS).

More than one-third of populations worldwide may have low levels of vitamin D, study shows
A systematic review published in the British Journal of Nutrition is one of the first to focus on patterns of vitamin D status worldwide and in key population subgroups, using continuous values for 25(OH)D to improve comparisons.

Researchers produce nanostructures with potential to advance energy devices
Arizona State University engineering professor and materials scientist Karl Sieradzki has been experimenting for more than two decades with the highly intricate process of dealloying materials.

Heart attack death rates unchanged in spite of faster care at hospitals
Heart attack deaths have remained the same, even as hospital teams have gotten faster at treating heart attack patients with emergency angioplasty, according to a study in this week's New England Journal of Medicine.

Alzheimer's missing link found
Yale School of Medicine researchers have discovered a protein that is the missing link in the complicated chain of events that lead to Alzheimer's disease, they report in the Sept.

Sharing the risks/costs of biomass crops
A University of Illinois study recommends a framework for contracts between growers and biorefineries to help spell out expectations for sustainability practices and designate who will assume the risks and costs associated with these new perennial energy crops.

Training the older brain in 3-D: Video game enhances cognitive control
Scientists at UC San Francisco are reporting that they have found a way to reverse some of the negative effects of aging on the brain, using a video game designed to improve cognitive control.

Health landscape in 6 global regions reveals rapid progress and daunting challenges
The Institute for Health Metrics and Evaluation and the World Bank have created a series of reports on health in six regions: sub-Saharan Africa, East Asia and Pacific, Eastern Europe and Central Asia, Latin America and the Caribbean, the Middle East and North Africa, and South Asia based on Global Burden of Disease data.

Measuring progress in nanotech design
An international group of researchers led by scientists from Drexel University's College of Engineering have developed a procedure for measuring electron band offset using laser spectroscopy.

Ashtray availability, signage may determine success of smoke-free legislation
Signs banning smoking may not have as much of an impact on secondhand smoke concentrations as the presence of ashtrays or ashtray equivalents.

Electronics advance moves closer to a world beyond silicon
Researchers have made a significant advance in the function of metal-insulator-metal, or MIM diodes, a technology premised on the assumption that the speed of electrons moving through silicon is simply too slow.

China's clean-water program benefits people and the environment, Stanford research shows
Rice farming near Beijing has contaminated and tapped the city's drinking water supply.

Experimental compound reverses Down syndrome-like learning deficits in mice
Researchers at Johns Hopkins and the National Institutes of Health have identified a compound that dramatically bolsters learning and memory when given to mice with a Down syndrome-like condition on the day of birth.

Infectious disease meeting next week -- New technologies, new treatments
Beginning Tuesday, September 10, Denver's Convention Center will play host to one of the world's premier infectious diseases meetings, the 53rd Interscience Conference on Antimicrobial Agents and Chemotherapy (ICAAC).

New method for early detection of colon cancer
A new, highly sensitive method to detect genetic variations that initiate colon cancer could be readily used for noninvasive colon cancer screening, according to a study published in Cancer Prevention Research, a journal of the American Association for Cancer Research.

International experts to explore new 'wonderdrug' at conference
A gas associated with the smell of rotten of eggs is now being proven to have widespread health benefits.

PET predicts outcomes for patients with cervical spinal cord compression
For patients with degenerative cervical myelopathy, imaging with 18F-FDG positron emission tomography could act as a marker for a potentially reversible phase of the disease in which substantial clinical improvement can be achieved.

Antioxidant effect of resveratrol in the treatment of vascular dementia
Resveratrol, a polyphenolic compound, is synthesized in several plants and possesses beneficial biological effects, which include anti-oxidant, anti-inflammatory and anti-carcinogenic properties.

Bizarre alignment of planetary nebulae
Astronomers have used the NASA/ESA Hubble Space Telescope and ESO's New Technology Telescope to explore more than 100 planetary nebulae in the central bulge of our galaxy.

Review highlights links between problem gambling and substance abuse, and lack of treatment options
Problem gamblers are a hidden population among people with mental health or substance abuse issues who often don't get the treatment they need, a new study shows.

ESMO bestows its highest accolades to eminent oncologists
The European Society for Medical Oncology, the leading pan-European organization representing medical oncology professionals, announced today the recipients of the annual society's prestigious awards, recognizing excellence in oncology.

University research team's new approach enhances quantum-based secure communication
University of Calgary scientists have overcome an

Lengthy military deployments increase divorce risk for US enlisted service members
The wars in Iraq and Afghanistan have been hard on military marriages, with the risk of divorce rising directly in relation to the length of time enlisted service members have been deployed to combat zones, according to a new RAND Corporation study.

Hibernating lemurs hint at the secrets of sleep
By studying hibernation, a Duke University team is providing a window into why humans sleep.

Canadian group gives guideline recommendations for lung cancer screening
The Canadian guideline recommendations are published in the Oct. issue of the International Association for the Study of Lung Cancer's journal, the Journal of Thoracic Oncology.

Relationship of kidney function estimates to risk improves by measuring cystatin C in the blood
A new, international study from the Chronic Kidney Disease Prognosis Consortium found that use of blood levels of cystatin C to estimate kidney function -- alone or in combination with creatinine -- strengthens the association between kidney function and risks of death and end-stage renal disease.

Extremely rare mitochondrial DNA deletions associated with aging can be accurately detected with Droplet Digital PCR
How mitochondrial DNA deletions accumulate in human brain genomes can be determined using droplet digital PCR technology.

New groundbreaking research may expose new aspects of the universe
No one knows but it is not at all unlikely that the universe is constructed in a completely different way than the usual theories today predict.

New low-temperature chemical reaction explained
Unusual reaction, never fully understood, is important to fuel combustion, atmospheric chemistry and biochemistry.

Drexel researchers looking inside vessels to understand blood's ebb and flow
Researchers from Drexel University's School of Biomedical Engineering, Science and Health Systems are developing a mathematical model, with help from an NIH grant, to examine how nitric oxide -- the chemical that regulates blood flow -- is produced in the body.

What scientists can see in your pee
Researchers at the University of Alberta announced today that they have determined the chemical composition of human urine.

Pest-eating birds mean money for coffee growers, Stanford biologists find
This is the first time scientists have assigned a monetary value to the pest-control benefits rainforest birds can provide to agriculture.

Best of ESC Congress 2013
We must not forget that despite advances, cardiovascular disease remains the number one killer in Europe.

Northeastern US forests transformed by human activity over 400 years
Forests in the northeastern US have been radically transformed over the last four centuries by human activity, and their relationship with climate factors like rainfall weakened.

Children's Mercy receives $5 million NIH grant for 50-hour genomic diagnosis in critically ill newborns
A $5 million grant from the Eunice Kennedy Shriver National Institute of Child Health and Human Development and the National Human Genome Research Institute at the National Institutes of Health allows Children's Mercy Hospital in Kansas City to assess the benefits of making STAT-Seq, currently the fastest whole genome analysis in the world, routine for diagnosis of acutely ill infants in neonatal intensive care units.

Infrared NASA image sees Extra-Tropical Toraji over Japan
Tropical Storm Toraji passed over Kyushu and transitioned into an extra-tropical storm while bringing heavy rainfall over the big island of Japan when NASA's Aqua satellite passed overhead on Sept.

Children with behavioral problems more at risk of inflammation
Researchers from Harvard and Columbia's Mailman School of Public Health found that children with behavioral problems at the age of 8, had higher levels of two proteins (C-reactive protein -- CRP; and Interleukin 6 -- IL-6) in their blood when tested at the age of 10.

'Seeing' faces through touch
Our sense of touch can contribute to our ability to perceive faces, according to new research published in Psychological Science.

UCSF receives $4.5M to study value of gene sequencing in newborns
UC San Francisco will receive $4.5 million over the next five years for a pilot project to assess whether large-scale gene sequencing aimed at detecting disorders and conditions can and should become a routine part of newborn testing.

New study informs blueberry flavor selection
Scientists measured characteristics associated with the blueberry eating experience by comparing the volatile profiles of five southern highbush blueberry cultivars using gas chromatography-mass spectrometry.

Outside mentoring support for science faculty at minority-serving institutions pays off
A matched-peer controlled study of science faculty at minority-serving institutions shows that an outside mentoring support program increased the number of peer-reviewed research publications, the number of federal grants, and the variety of professional and curricular activities of those who participated versus academic peers who did not.

A Danish experiment suggests unexpected magic by cosmic rays in cloud formation
Researchers in the Technical University of Denmark are hard on the trail of a previously unknown molecular process that helps commonplace clouds to form.

Personality interactions between animals may dictate outcomes in the wild
Examining the varying personality types of multiple animal species at once--in addition to common single-species studies--could help biologists better predict ecological outcomes, according to a recent University of Pittsburgh study.

Kenya NGO breaking down health and social development barriers with sanitary pad innovation
Kenya NGO ZanaAfrica receives major funding to advance low-cost sanitary pads made with local plant fibre, improving opportunities for 65 percent of Kenyan girls and women (80 percent across East Africa) who can't afford major brand products.

Data suggests Abbott's test may help more accurately diagnose heart attacks in women
Abbott announced today promising preliminary results from a study presented at the ESC Congress 2013, suggesting that its high sensitive troponin test may help doctors improve the diagnosis and prognosis of patients presenting with symptoms of a heart attack.

Young adults on the autism spectrum face tough prospects for jobs and independent living
For young adults with autism spectrum disorders, making the transition from school to the first rites of independent adult life, including a first job and a home away from home, can be particularly challenging.

West Antarctica ice sheet existed 20 million years earlier than previously thought
The results of research conducted by professors at UC Santa Barbara and colleagues mark the beginning of a new paradigm for our understanding of the history of Earth's great global ice sheets.

DNA changes during pregnancy persist into childhood
Even before they are born, babies accumulate changes in their DNA through a process called DNA methylation that may interfere with gene expression, and in turn, their health as they grow up.

Biologists uncover details of how we squelch defective neurons
Biologists at the University of California, San Diego have identified a new component of the cellular mechanism by which humans and animals automatically check the quality of their nerve cells to assure they're working properly during development.
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