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Two faces offer limitless possibilities

Named for the mythical god with two faces, Janus membranes - double-sided membranes that serve as gatekeepers between two substances - have emerged as a material with potential industrial uses. Creating two distinct 'faces' on these delicate surfaces, however, is a process fraught with challenges.

Posted: Jul 20th, 2018

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Relax, just break it

The properties of a solid depend on the arrangement of its atoms, which form a periodic crystal structure. At the nanoscale, arrangements that break this periodic structure can drastically alter the behavior of the material, but this is difficult to measure. Recent advances by scientists are starting to unravel this mystery.

Posted: Jul 20th, 2018

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Complete fly brain imaged at nanoscale resolution

Two high-speed electron microscopes. 7,062 brain slices. 21 million images. For a team of scientists these numbers add up to a technical first: a high-resolution digital snapshot of the adult fruit fly brain.

Posted: Jul 19th, 2018

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A safe and effective way to whiten teeth with nanoparticles

Researchers modified titanium dioxide nanoparticles so that they could be activated with blue light. In a proof-of-concept experiment. After four hours of treatment, the whitening level was similar to that obtained with hydrogen-peroxide-based agents.

Posted: Jul 18th, 2018

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