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Researchers at Universidad Politécnica de Madrid have studied the stability of diverse arsenic species found in edible marine algae and have established the best conditions for their storage and preservation.

By developing a specific analytical method, members from the research group of Materials Technology and Environment (TEMATMA) of the School of Civil Engineering of Universidad Politécnica de Madrid (UPM) have studied the stability of diverse chemical species of arsenic found in the edible alga Hijiki (Hizikia fusiformis) both in the dry sample and in its water extracts.

Microscopic spheres of calcium phosphate have been linked to the development of age-related macular degeneration (AMD), a major cause of blindness, in a new paper.

AMD affects 1 in 5 people over 75, causing their vision to slowly deteriorate, but the cause of the most common form of the disease remains a mystery. The ability to spot the disease early and reliably halt its progression would improve the lives of millions, but this is simply not possible with current knowledge and techniques.

The hundred trillion bacteria living in an adult human, mostly in the intestines, making up the gut microbiome, may have a significant impact on behavior and brain health, according to a new paper.

The many ways gut bacteria can impact normal brain activity and development, affect sleep and stress responses, play a role in a variety of diseases, and be modified through diet for therapeutic use are described in a review article ("The Gut Microbiome and the Brain") in Journal of Medicinal Food.

Lowering blood pressure and cholesterol saved 20,000 lives in England. The impact of statins, credit with 14 percent of the drop, was greatest among the most affluent in the population, suggesting that these drugs have helped maintain health inequalities between rich and poor, say the researchers.

The researchers wanted to quantify the contributions made by drug treatment (primary prevention) and changes in population risk factors (blood pressure and total cholesterol) to the falling rates of coronary heart disease deaths, stratified by socioeconomic background. They used trial data, analyses of published evidence, national surveys, and official statistics to calculate the number of deaths postponed or prevented across the population of England.

A multinational team of astronomers working on the High Energy Stereoscopic System (H.E.S.S.) telescopes found three extremely luminous gamma-ray sources in the Large Magellanic Cloud (LMC), a satellite dwarf galaxy of the Milky Way. These are objects of different types, namely the most powerful pulsar wind nebula; the most powerful supernova remnant; and a shell of 270 light years in diameter blown by multiple stars, and supernovae - a so-called superbubble.

Imagine if every time you filled your car with gas, a few gallons didn't make it into the tank and instead spilled onto the ground. That's essentially what happens every day with the aging system of underground pipes and tanks that delivers natural gas to Boston-area households and businesses, with adverse economic, public health, and environmental consequences. Now a group of atmospheric scientists at Harvard School of Engineering and Applied Sciences (SEAS) has produced hard numbers that quantify the extent of the problem.