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August 30, 2015

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August 30, 2015

Aug. 29, 2015 — Midday naps are associated with reduced blood pressure levels and prescription of fewer antihypertensive medications, according to new ... read more

Aug. 28, 2015 — A closer look at how honey bee colonies determine which larvae will serve as workers and which will become queens reveals that a plant chemical, p-coumaric acid, plays a key role in the bees' ... read more

Aug. 28, 2015 — In all organisms, water's pH has a profound effect. Because the interaction of carbon dioxide and water explains the natural acidity of water and all accompanying reactions, it is considered a ... read more

Aug. 28, 2015 — With detection limits down to the zeptomolar range (about 600 molecules in a sample), a new technology can analyze the metabolic composition of individual microbial cells, as well as detect the ... read more

Aug. 28, 2015 — Turning carbon dioxide from certain power plants into a more valuable chemical would reduce emissions while creating a revenue return. Scientists have now derived a metal-free catalyst that does the ... read more

Aug. 28, 2015 — Viruses are able to redirect the functioning of cells in order to infect them. Inspired by their mode of action, scientists have designed a "chemical virus" that can cross the double lipid ... read more

Using DNA Origami to Build Nanodevices of the Future

Aug. 28, 2015 — Scientists have developed a method, using a double layer of lipids, which facilitates the assembly of DNA origami units, bringing us one-step closer to DNA ... read more

Medicinal Marijuana: Patients Battle Stigma and Misunderstanding

Aug. 28, 2015 — New research examines the experiences of California residents who have been prescribed medical marijuana and the stigma they experience from public opinion.  The findings indicate that the stigma of ... read more

Aug. 28, 2015 — A new study describes the bio-archaeological remains of the Philistine culture in Israel during the Iron Age (12th century to 7th century BCE). The results of this research indicate that the ca. 600 ... read more

Staying Safe in Sandy Beaches

Aug. 28, 2015 — Beach sand contains all kinds of microorganisms, including those that can harm human health. Yet current guidelines are focused exclusively on monitoring the levels of microbes in the water. Now, an ... read more

Aug. 28, 2015 — Researchers have for the first time created and used a nanoscale vehicle made of DNA to deliver a CRISPR-Cas9 gene-editing tool into cells in both cell culture and an animal ... read more

Important Steps Toward Developing a Blood Test to Catch Pancreatic Cancer Early

Aug. 28, 2015 — Pancreatic cancer is the fourth most common cause of cancer-related death in the United States and has a 5-year survival rate of only 6 percent, which is the lowest rate of all types of cancer.  ... read more

Aug. 28, 2015 — Scientists have predicted how biological circuits generate rhythms and control their robustness, utilizing mathematical modeling based on differential equations and stochastic parameter ... read more

Lack of Folic Acid Enrichment in Europe Causes Mortality Among Fetuses

Aug. 28, 2015 — A new international study shows that 5,000 fetuses in Europe annually are affected by spina bifida and other severe defects on the central nervous system. Seventy percent of these pregnancies are ... read more

Neurobiology: Light-Activated Learning

Aug. 28, 2015 — Scientists have developed a light-sensitive switch that regulates a protein implicated in the neurobiology of synaptic plasticity. The agent promises to shed new light on the phenomenology of ... read more

Aug. 28, 2015 — A growing, dividing cell uses most of its energy store to make its "protein factories," the ribosomes. An important player in their "assembly" is the exosome, a molecular ... read more

Aug. 28, 2015 — Computer scientists studied human mobility in urban areas from the point of view that mobility can be described as random walk with many short steps and fewer extremely long steps. Combining GPS data ... read more

Aug. 28, 2015 — A new device which transforms paralysis victims’ breath into words – believed to be the first invention of its kind – has been ... read more

Aug. 28, 2015 — Researchers have unraveled a role for tumor suppressor genes in restricting the growth of neighboring cell populations. The study might have implications for understanding the early events of ... read more

Aug. 28, 2015 — Researchers have shown that our understanding of how organic material is decomposed by fungi and bacteria is fundamentally wrong. This means that climate models that include microorganisms to ... read more

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