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What's New in Science - More news
  • We drink more alcohol on gym days
    On days when people exercise more -- typically Thursdays to Sundays -- they drink more alcohol, too. This is the only study to use smartphone technology and a daily diary approach for self-reporting physical activity and alcohol use.
  • Reversing the effects of pulmonary fibrosis with a microRNA mimic
    A potential new treatment that reverses the effects of pulmonary fibrosis, a respiratory disease in which scars develop in the lungs and severely hamper breathing, is being studied by scientists. The treatment uses a microRNA mimic, miR-29, which is delivered to lung tissue intravenously. In mouse m...
  • Cheater, cheater: Study shows what happens when employees feel excluded at work
    When employees feel left out, they act out. That's the message that new research delivers as it explains why employees can become weasels to benefit their work group.
  • Best exercise for obese youths analyzed
    What exercise program can best fight the 'epidemic' of teen obesity? According to a study, by combining aerobic exercise with resistance training. "Obesity is an epidemic among youth," says one author. "Adolescents who are overweight are typically advised to exercise more, but there is limited evide...
  • Maternal breast milk is risk factor for cytomegalovirus transmission in prema...
    Premature infants, especially those born with very low-birth-weight, are particularly vulnerable to cytomegalovirus infection because of their immature immune systems. Maternal breast milk is a primary source of postnatal cytomegalovirus in very-low-birth-weight patients, researchers say.
  • Statin use during hospitalization for hemorrhagic stroke associated with impr...
    Patients who were treated with a statin in the hospital after suffering from a hemorrhagic stroke were significantly more likely to survive than those who were not, according to a study. This study was conducted by the same researchers who recently discovered that the use of cholesterol-lowering sta...
  • Old drug may be key to new antibiotics
    An anticonvulsant drug called lamotrigine is the first chemical inhibitor of the assembly of ribosomes in bacteria. he discovery is important as there is growing concern worldwide about how antibiotic resistance is making the cures for infections ineffective. The World Health Organization has declar...
  • Actions on climate change bring better health, study says
    The number of extremely hot days in Eastern and Midwestern U.S. cities is projected to triple by mid-century, according to a new study. In presenting their synthesis, the study authors seek to encourage efforts that benefit both the health of the planet and the health of people.
  • Artificial liver tested as potential therapy for patients with alcohol-relate...
    A novel, human cell based, bioartificial liver support system is being tested for patients with acute liver failure, often a fatal diagnosis. The external organ support system is designed to perform critical functions of a normal liver, including protein synthesis and the processing and cleaning of ...
  • Think the system for paying U.S. Doctors is rigged to favor surgeons? New stu...
    A new study pulls back the curtain on one of the most contentious issues in health care: differences in payment between physicians who perform operations and those who don?t. Contrary to perception, the research indicates, the physician payment system is not inherently ?rigged? to favor surgeons.
  • Higher risk of heart disease for South Asians in Canada
    Findings of a new study emphasize the need to develop a standardized surveillance system for non-communicable diseases, such as CVD, cancer and lung diseases, by ethnic group in Canada.
  • Answer to restoring lost island biodiversity found in fossils
    Many native species have vanished from tropical islands because of human impact, but scientists have discovered how fossils can be used to restore lost biodiversity. The key lies in organic materials found in fossil bones, which contain evidence for how ancient ecosystems functioned, according to a ...
  • Infant solar system shows signs of windy weather
    Astronomers have observed what may be the first-ever signs of windy weather around a T Tauri star, an infant analog of our own Sun. This may help explain why some T Tauri stars have disks that glow weirdly in infrared light while others shine in a more expected fashion.
  • Gene expression patterns in pancreatic circulating tumor cells revealed
    Analysis of circulating tumor cells (CTCs) in a mouse model of pancreatic cancer identified distinct patterns of gene expression in several groups of CTCs, including significant differences from the primary tumor that may contribute to the ability to generate metastases. The investigators identified...
  • Genetic switch regulates a plant's internal clock based on temperature
    Scientists have found the molecular cog in a plant's biological clock that modulates its speed based on temperature. "Temperature helps keep the hands of the biological clock in the right place," said the corresponding author of the study. "Now we know more about how that works."
  • Platelets modulate clotting behavior by 'feeling' their surroundings
    Platelets respond to surfaces with greater stiffness by increasing their stickiness, the degree to which they "turn on" other platelets and other components of the clotting system, researchers have found. Platelets, the tiny cell fragments whose job it is to stop bleeding, are very simple. And yet t...
  • Lego-like modular components make building 3-D 'labs-on-a-chip' a snap
    Thanks to new Lego-like components, it is now possible to build a 3-D microfluidic system (or 'lab-on-a-chip') quickly and cheaply by simply snapping together small modules by hand.
  • Immune response turned up, not down, by flu during pregnancy, study finds
    Pregnant women have an unusually strong immune response to influenza, an unexpected finding that may explain why they get sicker from the flu than other healthy adults, new research has found. The results were surprising because immune responses are thought to be weakened by pregnancy to prevent the...
  • Antifreeze proteins in Antarctic fishes prevent freezing?and melting
    Antarctic fishes that manufacture their own 'antifreeze' proteins to survive in the icy Southern Ocean also suffer an unfortunate side effect, researchers report: The protein-bound ice crystals that accumulate inside their bodies resist melting even when temperatures warm.
  • Plant variants point the way to improved biofuel production
    Scientists have discovered variant plants with straw that are more easily digested for biofuel production. Critically, the plants are not significantly smaller or weaker than normal plants. The discovery could make biofuels from plant residues easier and cheaper to make, reducing pressure on food cr...
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