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Scaling to new heights with gecko-inspired adhesive

12-Jan-2018

Some animals, such as geckos, can easily climb up walls and across ceilings. But currently, no material exists that allows everyday people to scale walls or transverse ceilings as effortlessly. Now, scientists report a dry adhesive that could someday make it easier to defy gravity. Geckos can ...

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The biggest chemistry-related stories from 2017

21-Dec-2017

From a march for science to shifting environmental priorities in the policy realm, chemistry has been on the move and in the headlines in 2017. Chemical & Engineering News (C&EN), the weekly newsmagazine of the American Chemical Society, reviews the most intriguing chemistry stories of the ...

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Pulling iron out of waste printer toner

17-Nov-2017

Someday, left-over toner in discarded printer cartridges could have a second life as bridge or building components instead of as trash, wasting away in landfills and potentially harming the environment. One group reports that they have devised a method to recycle the residual powder in "empty" ...

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On the road to fire-free, lithium-ion batteries made with asphalt

13-Oct-2017

Lithium-ion batteries can be found in everything from cell phones to hoverboards, but these power sources have recently made headlines for the fires they have inadvertently caused. To address these safety hazards, scientists report that they are paving the way to better batteries with a naturally ...

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New sensors could enable more affordable detection of pollution and diseases

23-Jun-2017

When it comes to testing for cancer, environmental pollution and food contaminants, traditional sensors can help. The challenges are that they often are bulky, expensive, non-intuitive and complicated. Now, one team reports in ACS Sensors that portable pressure-based detectors coupled with ...

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Beetles spark development of color-changing nanoparticles for commercial use

16-Jun-2017

Inspired by the varying colors that gleam off of beetle shells, scientists have developed color-shifting nanoparticles that can change hue even after being embedded into a material. A report appeared on the new, inexpensive technique, which could lead to the production of easier-to-read sensors ...

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New fabric coating could thwart chemical weapons, save lives

08-Jun-2017

Chemical weapons are nightmarish. In a millisecond, they can kill hundreds, if not thousands. But, in a study, scientists report that they have developed a way to adhere a lightweight coating onto fabrics that is capable of neutralizing a subclass of these toxins -- those that are delivered ...

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How nanoparticles affect flow through porous stuff in surprising ways

06-Apr-2017

Those who have mixed oil and vinegar may have unknowingly observed a strange fluid phenomenon called fingering instability. A type of this phenomenon, called viscous fingering (VF), occurs in porous media where fluids of differing viscosity converge in finger-shaped patterns as a result of ...

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The inner lives of molecules

06-Apr-2017

Quantum mechanics rules. It dictates how particles and forces interact, and thus how atoms and molecules work -- for example, what happens when a molecule goes from a higher-energy state to a lower-energy one. But beyond the simplest molecules, the details become very complex. "Quantum mechanics ...

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Making vanilla flavoring with less pollution

16-Mar-2017

In small amounts, vanilla flavoring enhances the taste of our baked goods, desserts and ice cream. But making it synthetically, which is the most common route to keeping the ingredient affordable these days, creates a stream of wastewater that requires treatment before it can be released into ...

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