Top Science News Articles | Science Current Events this Week
The top science news articles and science news articles and current events, scientific discoveries, studies and research from the past week.
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Astronomers discover planet that shouldn't be there
An international team of astronomers, led by a University of Arizona graduate student, has discovered the most distantly orbiting planet found to date around a single, sun-like star. It is the first exoplanet - a planet outside of our solar system - discovered at the UA.
Cardiac MRI reveals energy drinks alter heart function
Healthy adults who consumed energy drinks high in caffeine and taurine had significantly increased heart contraction rates one hour later, according to a study presented today at the annual meeting of the Radiological Society of North America (RSNA).
Air pollution and genetics combine to increase risk for autism
Exposure to air pollution appears to increase the risk for autism among people who carry a genetic disposition for the neurodevelopmental disorder, according to newly published research led by scientists at the Keck School of Medicine of the University of Southern California (USC).
Scripps Research Institute scientists achieve most detailed picture ever of key part of hepatitis C
Scientists at The Scripps Research Institute (TSRI) have determined the most detailed picture yet of a crucial part of the hepatitis C virus, which the virus uses to infect liver cells.
Highly insulating windows are very energy efficient, though expensive
Highly insulating triple-pane windows keep a house snug and cozy, but it takes two decades or more for the windows to pay off financially based on utility-bill savings, according to a report by energy efficiency experts at the Department of Energy's Pacific Northwest National Laboratory.
Key found to restoring 'exhausted' HIV-fighting immune cells
Researchers have identified a protein that causes loss of function in immune cells combatting HIV.
Aerobic fitness and hormones predict recognition memory in young adults
Researchers at Boston University School of Medicine (BUSM) have found further evidence that exercise may be beneficial for brain health and cognition.
Activating pathway could restart hair growth in dormant hair follicles, Penn Study suggests
A pathway known for its role in regulating adult stem cells has been shown to be important for hair follicle proliferation, but contrary to previous studies, is not required within hair follicle stem cells for their survival, according to researchers with the Perelman School of Medicine at the University of Pennsylvania.
Scientists discover how leukemia cells exploit 'enhancer' DNA elements to cause lethal disease
A team of researchers at Cold Spring Harbor Laboratory (CSHL) has identified a leukemia-specific stretch of DNA called an enhancer element that enables cancerous blood cells to proliferate in Acute Myeloid Leukemia (AML), a devastating cancer that is incurable in 70% of patients.
MD Anderson researchers identify a rescuer for vital tumor-suppressor
A protector for PTEN, a tumor-thwarting protein often missing in cancer cells, has emerged from research led by scientists at The University of Texas MD Anderson Cancer Center published online at Nature Cell Biology this week.
SOHO Shows New Images of Comet ISON
As Comet ISON heads toward its closest approach to the sun - known as perihelion - on Nov. 28, 2013, scientists have been watching through many observatories to see if the comet has already broken up under the intense heat and gravitational forces of the sun.
Human stem cells converted to functional lung cells
For the first time, scientists have succeeded in transforming human stem cells into functional lung and airway cells.
Penn study delivers protein across blood-brain barrier to degrade Alzheimer's plaques
The body is structured to ensure that any invading organisms have a tough time reaching the brain, an organ obviously critical to survival.
High cholesterol fuels the growth and spread of breast cancer
A byproduct of cholesterol functions like the hormone estrogen to fuel the growth and spread of the most common types of breast cancers, researchers at the Duke Cancer Institute report.
When aluminum outshines gold
Humble aluminum's plasmonic properties may make it far more valuable than gold and silver for certain applications, according to new research by Rice University scientists.
Human stem cells predict efficacy of Alzheimer drugs
Why do certain Alzheimer medications work in animal models but not in clinical trials in humans?
Colon cancer researchers target stem cells, discover viable new therapeutic path
Scientists and surgeons at Princess Margaret Cancer Centre have discovered a promising new approach to treating colorectal cancer by disarming the gene that drives self-renewal in stem cells that are the root cause of disease, resistance to treatment and relapse.
IRCM researchers discover a protein's critical role in the brain
A team of Montréal researchers at the IRCM led by Dr. Nabil G. Seidah, in collaboration with Dr. William C. Wetsel's team at Duke University in the United States, discovered that the protein PC7 plays a critical role in the brain by affecting certain types of cognitive performance such as anxiety, learning and emotional memory.
Cryptic new species of wild cat identified in Brazil
Researchers reporting in the Cell Press journal Current Biology on November 27 have identified a cryptic new species of wild cat living in Brazil.
Researchers discover promising new treatment to help people with spine injuries walk better
Scientists may have found a new treatment that can help people with spinal cord injuries walk better. The research is published in the November 27, 2013, online issue of Neurology®, the medical journal of the American Academy of Neurology.
UF researchers' experiment is first to simulate warming of Arctic permafrost
Although vegetation growth in the Arctic is boosted by global warming, it's not enough to offset the carbon released by the thawing of the permafrost beneath the surface, University of Florida researchers have found in the first experiment in the Arctic environment to simulate thawing of permafrost in a warming world.
Novel rehabilitation device improves motor skills after stroke
Using a novel stroke rehabilitation device that converts an individual's thoughts to electrical impulses to move upper extremities, stroke patients reported improvements in their motor function and ability to perform activities of daily living.
3-D mammography increases cancer detection and reduces call-back rates, Penn study finds
Compared to traditional mammography, 3D mammography-known as digital breast tomosynthesis-found 22 percent more breast cancers and led to fewer call backs in a large screening study at the Hospital of the University of Pennsylvania (HUP).
Methylation signaling controls angiogenesis and cancer growth
A study led by researchers at Boston University School of Medicine (BUSM) demonstrates a new mechanism involving a signaling protein and its receptor that may block the formation of new blood vessels and cancer growth.
SU biologist develops method for monitoring shipping noise in dolphin habitat
A biologist in Syracuse University's College of Arts and Sciences has developed a system of techniques for tracking ships and monitoring underwater noise levels in a protected marine mammal habitat.
PRP therapy improves degenerative tendon disease in athletes
Ultrasound-guided delivery of platelet-rich plasma (PRP) improves functionality and reduces recovery time in athletes with degenerative disease in their tendons, according to a study being presented today at the annual meeting of the Radiological Society of North America (RSNA).
Messy children make better learners
Attention, parents: The messier your child gets while playing with food in the high chair, the more he or she is learning.
Coffee or Beer? The Choice Could Affect Your Genome
Coffee and beer are polar opposites in the beverage world. Coffee picks you up, and beer winds you down.
Berkeley Lab Researchers Create a Nonlinear Light-generating Zero-Index MetaMaterial
The Information Age will get a major upgrade with the arrival of quantum processors many times faster and more powerful than today's supercomputers.
Quantitative Approaches Provide New Perspective on Development of Antibiotic Resistance
Using quantitative models of bacterial growth, a team of UC San Diego biophysicists has discovered the bizarre way by which antibiotic resistance allows bacteria to multiply in the presence of antibiotics, a growing health problem in hospitals and nursing homes across the United States.
Discovery of partial skeleton suggests ruggedly built, tree-climbing human ancestor
A human ancestor characterized by "robust" jaw and skull bones was a muscular creature with a gorilla-like upper body and more adaptive to its environment than previously thought, scientists have discovered.
Health insurance increases preventive care but not risky behaviors
People with health insurance are more likely to use preventive services such as flu shots and health screenings to reduce their risk of serious illness, but they are no more likely than people without health insurance to engage in risky health behaviors such as smoking or gaining weight, researchers at UC Davis and University of Rochester have found.
Hysterectomized women may benefit from testosterone
Hysterectomy and oophorectomy (the removal of ovaries) are performed to treat various diseases in women, including cancer. These procedures are accompanied not only by a decline in estrogen but also testosterone levels in the blood.
How bacteria respond so quickly to external changes
Understanding how bacteria adapt so quickly to changes in their external environment with continued high growth rates is one of the major research challenges in molecular microbiology.
Model Suggests Ocean Currents Shape Europa's Icy Shell in Ways Critical for Potential Habitats
In a finding of relevance to the search for life in our solar system, researchers at The University of Texas at Austin's Institute for Geophysics, the Georgia Institute of Technology, and the Max Planck Institute for Solar System Research have shown that the subsurface ocean on Jupiter's moon Europa may have deep currents and circulation patterns with heat and energy transfers capable of sustaining biological life.
Negative BRCA testing may not always imply lowered breast cancer risk
Women who are members of families with BRCA2 mutations but who test negative for the family-specific BRCA2 mutations are still at greater risk for developing breast cancer compared with women in the general population, according to a study published in Cancer Epidemiology, Biomarkers & Prevention, a journal of the American Association for Cancer Research.
Energy drinks plus alcohol pose a public health threat
Mixing energy drinks with alcohol is riskier than just drinking alcohol alone, according to a new study that examines the impact of a growing trend among young adults.
MR-guided ultrasound offers noninvasive treatment for breast cancer
A technique that uses focused ultrasound under magnetic resonance (MR) guidance to heat and destroy tumors may offer a safe and effective treatment for breast cancer, according to research being presented today at the annual meeting of the Radiological Society of North America (RSNA).
Study finds that carbon monoxide can help shrink tumors and amplify effectiveness of chemotherapy
In recent years, research has suggested that carbon monoxide, the highly toxic gas emitted from auto exhausts and faulty heating systems, can be used to treat certain inflammatory medical conditions.
LSUHSC research finds inflammation linked to obesity in adults may be protective in young children
The first study of its kind, led by Melinda Sothern, PhD, CEP, Professor and Director of Behavioral and Community Health Sciences at LSU Health Sciences Center New Orleans School of Public Health, reveals that the same pro-inflammatory proteins linked to obesity and the metabolic syndrome in adults appear to protect children prior to puberty.
Active component of grape seed extract effective against cancer cells
A University of Colorado Cancer Center study published online ahead of print in the journal Nutrition and Cancer describes the laboratory synthesis of the most active component of grape seed extract, B2G2, and shows this synthesized compound induces the cell death known as apoptosis in prostate cancer cells while leaving healthy cells unharmed.
Iron-based process promises greener, cheaper and safer drug and perfume production
University of Toronto researchers have developed a series of techniques to create a variety of very active iron-based catalysts necessary to produce the alcohols and amines used in the drug and perfume industry.
Cyclin D1 governs microRNA processing in breast cancer
Cyclin D1, a protein that helps push a replicating cell through the cell cycle also mediates the processing and generation of mature microRNA (miRNA), according to new research publishing November 29 in Nature Communications.
Brain connectivity study reveals striking differences between men and women
A new brain connectivity study from Penn Medicine published today in the Proceedings of National Academy of Sciences found striking differences in the neural wiring of men and women that's lending credence to some commonly-held beliefs about their behavior.
Head out to the ski slopes, for happiness' sake
Are you contemplating a skiing holiday? The all-out pleasure and enjoyment you experience on a pair of skis or a snowboard is positively priceless to enhance your overall happiness.
Genetic mutation may play key role in risk of lethal prostate cancer in overweight patients
Obesity is associated with a worse prostate cancer prognosis among men whose tumors contain a specific genetic mutation, suggest results from a new study led by Harvard School of Public Health (HSPH), Dana-Farber Cancer Institute and Brigham and Women's Hospital researchers.
Protein in prostate biopsies signals increased cancer risk
Researchers from Weill Cornell Medical College have shown that the presence of a particular protein in biopsied prostate tissue substantially increases the likelihood that cancer will develop in that organ.
Himalayan flowers shed light on climate change
Flower colour in some parts of the world, including the Himalayas, has evolved to attract bees as pollinators, research has shown for the first time.
An ecosystem-based approach to protect the deep sea from mining
Five hundred miles southeast of Hawai'i, in international waters far out of sight of any land, there are vast mineral resources 5,000 meters below the sea.
Secrets to 'extreme adaptation' found in Burmese python genome
The Burmese python's ability to ramp up its metabolism and enlarge its organs to swallow and digest prey whole can be traced to unusually rapid evolution and specialized adaptations of its genes and the way they work, an international team of biologists says in a new paper.
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