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Regenerating bone with wood-based materials

Regenerating bones with materials of natural origin that can bear a lot of weight might not be science-fiction anymore. Scientists are looking for new ways to transform complex and organized structures that already exist in nature into a device to improve bone and ligament substitution.

Posted: Aug 16th, 2011

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Call for proposals: Bionic-Award 2012

For the third time, the VDI (Association of German Engineers) and the DBU (Deutsche Bundesstiftung Umwelt) will present the international Bionic-Award for outstanding scientific achievement in the field of biomimetic/bionic product development.

Posted: Aug 16th, 2011

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NASA finds signs of graphene in space

NASA's Spitzer Space Telescope identified signs of the graphene in two small galaxies outside of our own, called the Magellanic Clouds, specifically in the material shed by dying stars, called planetary nebulae.

Posted: Aug 16th, 2011

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Mimicking biological complexity, in a tiny particle

Tiny particles made of polymers hold great promise for targeted delivery of drugs and as structural scaffolds for building artificial tissues. However, current production methods for such microparticles yield a limited array of shapes and can only be made with certain materials, restricting their usefulness.

Posted: Aug 16th, 2011

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New device exposes explosive vapors

Minefields are a humanitarian disaster throughout the world, and now researchers in Scotland have designed a new device that could more reliably sense explosives, helping workers to identify and deactivate unexploded mines.

Posted: Aug 15th, 2011

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Bending light with better precision

Physicists from the University of California at San Diego have demonstrated a new technique to control the speed and direction of light using memory metamaterials whose properties can be repeatedly changed.

Posted: Aug 15th, 2011

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Graphene quantum dots dramatically improve the efficiency of organic solar cells

Graphene sheets have been shown to act as good acceptors when blended with conjugated polymers, but after blending, the photovoltaic characteristics of the polymers are considerably degraded. Scientists have now shown that the situation can be dramatically improved by blending polymers with graphene quantum dots instead of sheets.

Posted: Aug 15th, 2011

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