Metamaterials four to work for visible light

For the first time ever, researchers at the U.S. Department of Energy’s Ames Laboratory have developed a material with a negative refractive index for visible light. Ames Laboratory senior physicist Costas Soukoulis, working with colleagues in Karlsruhe, Germany, designed a silver-based, mesh-like material that marks the latest advance in the rapidly evolving field of metamaterials, materials that could lead to a wide range of new applications as varied as ultrahigh-resolution imaging systems and cloaking devices.

Living :: Make a new year’s resolution to volunteer

MAUREEN BLAHA, executive director of the NATIONAL RUNAWAY SWITCHBOARD: “Millions of Americans will make New Year’s resolutions to improve their lifestyle, and volunteering will once again be at the top of the list for 2007.

Nutrition :: Non-GMOs – Hottest food trend

JEFFREY M. SMITH, founder of the INSTITUTE FOR RESPONSIBLE TECHNOLOGY, is a keynote speaker and best- selling author of “Seeds of Deception”: “Consumers of any age can improve their health with one New Year’s resolution.

Taking nanolithography beyond semiconductors

A new process for chemical patterning combines molecular self-assembly with traditional lithography to create multifunctional surfaces in precise patterns at the molecular level. The process allows scientists to create surfaces with varied chemical functionalities and promises to extend lithography to applications beyond traditional semiconductors.

Botulinum :: Seeing a neurotoxin’s deadly grip

Two Howard Hughes Medical Institute (HHMI) research teams working independently have discovered new information about how the botulinum neurotoxin shuts down neurons with deadly efficiency. By providing detailed views of the toxin plugged into its neuronal receptor, the new studies could aid efforts to engineer specialized versions of the powerful neurotoxin that is used to treat a wide array of medical problems.

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