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Science News Archive November 2015 - Page 26


Page 26 of 35

Oil dispersants can suppress natural oil-degrading microorganisms, new study shows

A new study led by University of Georgia marine scientists found that oil dispersants can suppress natural oil-degrading microorganisms, promoting the growth of Colwellia and inhibiting Marinobacter. The presence of dispersants significantly altered microbial composition in Gulf deep water, hindering efficient oil biodegradation.

SourceUniversity of Georgia·JournalProceedings of the National Academy of Sciences·DateNov 9, 2015

Strangled cells condense their DNA

A recent study has shown that when cells are deprived of oxygen and nutrients, their DNA becomes compacted into tight clusters. This dramatic change reduces gene activity and leads to cell shutdown. The discovery may help researchers develop new treatments for diseases such as heart attacks, strokes, and cancer.

SourceJohannes Gutenberg Universitaet Mainz·JournalGenome Biology·DateNov 9, 2015

Could solar eclipses disrupt electricity in Germany?

A recent study suggests that solar eclipses will have a minimal effect on Germany's photovoltaic systems and electrical supply. During the shadowing period, there may be temporary drops in power generation but the overall impact is expected to be limited.

SourceWiley·JournalEnergy Technology·DateNov 9, 2015

Meat -- and how it's cooked -- may impact kidney cancer risk

A new study links high-temperature cooking of red and white meat to increased risk of kidney cancer, citing the presence of carcinogenic compounds such as PhIP and MeIQx. The study suggests that reducing meat consumption, especially when cooked at high temperatures, may help mitigate this risk.

SourceWiley·JournalCancer·DateNov 9, 2015

Exploring the paradox of metabolically healthy obesity

Australian researchers have defined key characteristics of metabolically healthy obesity, shedding light on the paradox. They found that obese individuals sensitive to insulin in muscle or liver are metabolically healthier, with lower blood pressure and less deep abdominal fat. This discovery provides significant insight into human ins...

SourceGarvan Institute of Medical Research·JournalThe Journal of Clinical Endocrinology & Metabolism·DateNov 8, 2015

Ancient brains turn paleontology on its head

Scientists have found definitive evidence that ancient brain tissue can fossilize. A team of researchers has discovered seven fossils of the extinct arthropod species Fuxianhuia protensa, which contain preserved brains. The brains were preserved as flattened carbon films and demonstrate a density similar to modern crustacean brains.

SourceUniversity of Arizona·JournalPhilosophical Transactions of the Royal Society of London (B )·DateNov 8, 2015

Study asks: To improve patients' health, should you pay physicians, patients, or both?

Researchers at the University of Pennsylvania School of Medicine found that paying both physicians and patients financial incentives leads to a greater reduction in low-density lipoprotein (LDL) cholesterol. The study enrolled 340 primary care physicians and over 1500 of their patients, dividing them into four groups: physician-only in...

In first real-world example, Penn study shows mechanical and manual CPR produce equivalent survival rates for cardiac arrest patients

A new Penn study shows that mechanical CPR can be an effective alternative to manual CPR for treating cardiac arrest patients. After analyzing over 10,000 cases, researchers found that patients who received mechanical CPR were eight percent more likely to regain a pulse than those who received manual CPR.

Targeted treatment produces rapid shrinkage of recurrent, BRAF-mutant brain tumor

Researchers at Massachusetts General Hospital have reported the first successful use of a targeted therapy drug to treat a patient with a debilitating, recurrent brain tumor. Treatment with BRAF inhibitor dabrafinib led to rapid shrinkage of the tumor, and the patient remains symptom-free over a year after treatment.

SourceMassachusetts General Hospital·JournalJNCI Journal of the National Cancer Institute·DateNov 6, 2015