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October 5, 2015

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October 5, 2015

Oct. 5, 2015 — Astronomers have created a way to compare and rank exoplanets to help prioritize which of the thousands discovered warrant close inspection in the search for life beyond ... read more

Packaged Food Purchases at Non-Grocery Stores Are Up but Nutritional Quality Is Down

Oct. 5, 2015 — Consumers are increasingly buying food from mass merchandisers, warehouse clubs, and convenience stores, but are selecting foods with poor nutritional profiles, according to new ... read more

Oct. 5, 2015 — A team of scientists has solved a long-running mystery about the first stages of plant life on ... read more

Cryptic Invasions by Ecological Engineers Conceal Profound Changes in Nature

Oct. 5, 2015 — A new study reveals that the salt marsh plant Spartina alterniflora, which grows on more than 9,000 km of the Atlantic coastline of South America, is not native to the area and was in fact introduced ... read more

Simpler Way to Estimate Feedback Between Permafrost Carbon, Climate

Oct. 5, 2015 — A simple model of permafrost carbon based on direct observations has been developed by a team of scientists. Their approach could help climate scientists evaluate how well permafrost dynamics are ... read more

Oct. 5, 2015 — Perovskite solar cells are cheaper to make than traditional silicon cells and their electricity conversion efficiency is improving rapidly. To be commercially viable, perovskite cells need to scale ... read more

Oct. 5, 2015 — How do we know that the melanosomes found in the fossils are actually melanosomes and not something else, like leftover impressions from the microbes (some of which also make melanin) that coated the ... read more

Oct. 5, 2015 — Researchers have created tiny pores in single sheets of graphene that have an array of preferences and characteristics similar to those of ion channels in living ... read more

Happy Head, Happy Heart: Positive Emotions May Promote Heart-Healthy Behaviors

Oct. 5, 2015 — People with heart disease may benefit from maintaining positive emotions, according to health researchers. The researchers assessed psychological well-being of participants at baseline and again at a ... read more

Oct. 5, 2015 — Scientists have used a transmission electron microscope to record almost 3500 images in 3.5 seconds for the reconstruction of a 3D electron tomogram. Previously, 10 to 60 minutes and a ten-fold ... read more

Study Examines Incidence of Serious, Highly Drug-Resistant Group of Bacteria

Oct. 5, 2015 — The overall incidence in 2012-2013 was relatively low of a serious, highly drug-resistant group of bacteria (Carbapenem-resistant Enterobacteriaceae that are an important cause for health-care ... read more

Patients With Flu-Associated Pneumonia Less Likely to Have Received Flu Vaccine

Oct. 5, 2015 — Among children and adults hospitalized with community-acquired pneumonia, those with influenza-associated pneumonia, compared with those with pneumonia not associated with influenza, had lower odds ... read more

Sharing of Genetic Data Empowers Discovery of New Disorders in Children

Oct. 5, 2015 — Four new genetic disorders have been identified by the team behind the Deciphering Developmental Disorders (DDD) Study, one of the world's largest nationwide rare disease genome-wide sequencing ... read more

The Warmer the Higher: Sea-Level Rise from Filchner-Ronne Ice in Antarctica

Oct. 5, 2015 — The more ice is melted of the Antarctic Filchner-Ronne shelf, the more ice flows into the ocean, and the more the region contributes to global sea-level rise. Unlike some some other parts of ... read more

Antihypertensive Beta-Blockers May Increase Cardiovascular Risks in Surgical Patients

Oct. 5, 2015 — A two-drug antihypertensive treatment that included a beta-blocker was associated with increased risk for major adverse cardiovascular events and death in a study of patients who underwent noncardiac ... read more

Oct. 5, 2015 — The most common lab animals, rats and mice, can't tell scientists much about speech disorders. However, a new study shows how songbirds, specifically zebra finches, may be able to aid research ... read more

Oct. 5, 2015 — Researchers have determined the structure of a key part of the enzyme telomerase, which is active in most cancers and enables cancer cells to proliferate indefinitely. The new findings reveal how the ... read more

Oct. 5, 2015 — The whimsically named sonic hedgehog gene, best known for controlling embryonic development, also maintains the normal physiological state and repair process of an adult healthy lung, if damaged, ... read more

Oct. 5, 2015 — When pathologists perform autopsies on smokers who died with severe emphysema, they find that lungs are black in appearance. Until recently, researchers and physicians could only guess at the ... read more

Study Examines Antibullying Policies, Bullying in 25 States

Oct. 5, 2015 — Students who lived in states with an antibullying law that includes at least one US Department of Education-recommended legislative component had lower odds of reporting bullying and cyberbullying ... read more

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