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New material could efficiently power tiny generators

(PhysOrg.com) -- To power a very small device like a pacemaker or a transistor, you need an even smaller generator. The components that operate the generator are smaller yet, and the efficiency of...

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New rechargeable zinc-air batteries coming soon

(PhysOrg.com) -- A new breed of rechargeable zinc-air batteries is soon to be available, and may replace lithium-ion batteries in cell phones, laptops and other consumer items. Lithium-ion batteries...

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Eco-friendly metal coating replacement for chromate

(PhysOrg.com) -- CSIRO has developed a novel coating technology, "Quench Coat", to protect galvanised products from 'white rust' ? the form of zinc oxide that tarnishes freshly galvanised coatings,...

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3-D system based on optical fiber could provide new options for photovoltaics

Converting sunlight to electricity might no longer mean large panels of photovoltaic cells atop flat surfaces like roofs.

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Hybrid molecules show promise for exploring, treating Alzheimer's

One of the many mysteries of Alzheimer's disease is how protein-like snippets called amyloid-beta peptides, which clump together to form plaques in the brain, may cause cell death, leading to the...

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Eating, drinking and lifestyle changes can boost immunity to ward off...

College students looking to stay healthy during flu and exam season need to focus on three very important factors, says a nutritionist at Washington University in St. Louis.

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Additive copper-zinc interaction affects toxic response in soybean

Agricultural soils accumulate trace metals, particularly copper and zinc, as a result of their presence in wastes (sewage biosolids and manures) and fungicides that are applied over long periods of...

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The e-waste dilemma

(PhysOrg.com) -- Electronic devices could create significant environmental and health problems after they are thrown away. UC Irvine researchers are working with engineers, manufacturers and public...

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Transcription factors guide differences in human and chimp brain function

Humans share at least 97 percent of their genes with chimpanzees, but, as a new study of transcription factors makes clear, what you have in your genome may be less important than how you use it.

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The next medical frontier: nano-surgery

(PhysOrg.com) -- Engineering professor's nanorobot could be performing non-invasive surgical procedures on patients with tumors within the next decade.

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New research findings may help stop age-related macular degeneration at the...

Researchers at University College London say they have gleaned a key insight into the molecular beginnings of age-related macular degeneration, the No. 1 cause of vision loss in the elderly, by...

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Consumers over age 50 should consider steps to cut copper and iron intake

With scientific evidence linking high levels of copper and iron to Alzheimer's disease, heart disease, and other age-related disorders, a new report in ACS' Chemical Research in Toxicology suggests...

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Scientists using X-ray vision to produce more nutritious flour

Pioneering research combining plant breeding and high-intensity x-rays is being used by scientists funded by the Biotechnology and Biological Sciences Research Council (BBSRC) to explore the...

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Studying zinc increases understanding of obesity, breast cancer

(PhysOrg.com) -- The human body loves zinc. In fact, without zinc, humans wouldn’t be able to grow, make babies, feed babies or fight diseases; over 300 biological functions in the human body rely upon...

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New data on rotavirus vaccine from Mexico and Africa show lifesaving impact...

For the first time ever, studies in Mexico and Africa, published today in the New England Journal of Medicine, demonstrate a reduction in diarrheal disease deaths following rotavirus vaccine...

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New fiber nanogenerators could lead to electric clothing

(PhysOrg.com) -- In research that gives literal meaning to the term "power suit," University of California, Berkeley, engineers have created energy-scavenging nanofibers that could one day be woven...

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Zinc Supplements to Prevent Middle Ear Infections: Evidence Is Weak

A new Cochrane review did not find clear evidence that taking zinc supplements reduces the occurrence of middle ear infections or otitis media in healthy children.

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Glaxo to remove zinc from denture cream

(AP) -- GlaxoSmithKline said Thursday it will remove zinc from its denture cream, following reports that excessive use over many years can cause neurological damage and blood problems in consumers.

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How to see through opaque materials

New experiments show that it's possible to focus light through opaque materials and detect objects hidden behind them, provided you know enough about the material.

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Scientists track variant of gene-regulating protein in embryonic stem cells

(PhysOrg.com) -- The path to fully developed cells from embryonic stem cells requires that the right genes are turned on and off at the right times. New research from Rockefeller University shows that...

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