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New discovery could aid in detecting nuclear threats

A new way to detect nuclear materials has been developed by researchers. Made of graphene and carbon nanotubes, the researchers’ detector far outpaces any existing one in its ultrasensitivity to charged particles, minuscule size, low-power requirements, and low cost.

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New digital map shows changing racial diversity of America

A geography professor built the most detailed map of racial diversity yet to study the way America’s neighborhoods are changing.

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Report recommends ways to improve response to toxic inhalation disasters

Better medical responses to the accidental or intentional release of inhaled toxic chemicals are being developed, but the field faces considerable challenges, according to a new report by an international panel of experts.

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Making bins more convenient boosts recycling and composting rates

Want to recycle or compost more? Try moving the bins closer, new research suggests. The study shows that placing bins 1.5 meters away from suite doors drastically boosts recycling and composting rates by 141 per cent. The findings highlight how small changes in convenience can have a big impact on performance.

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New survey: Snapchat and Instagram are most popular social media platforms among American teens

A new nationally representative survey of American teenagers age 13-17 finds that teens have shifted their favored social media platforms and are now most likely to use Instagram and Snapchat. The study also found that while almost all teens — 91 percent — use the regular text messaging tool on their mobile phones, 40 percent of teens also use messaging applications like Kik, WhatsApp, or Line on a smartphone.

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Atomic-level motion may drive bacteria’s ability to evade immune system defenses

A study has found evidence that extremely small changes in how atoms move in bacterial proteins can play a big role in how these microorganisms function and evolve traits, such as antibiotic resistance.

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Hubble’s cosmic bubbles

Hubble has revealed a few of the tenuous threads comprising Sh2-308, a faint and wispy shell of gas located 5,200 light-years away in Canis Major.

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Weight expectations: Context and distraction skew what we predict and remember

Context can alter something as basic as our ability to estimate the weights of simple objects. As we learn to manipulate those objects, context can even tease out the interplay of two memory systems and shows how distraction can affect multitasking.

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Plant’s parent genes cooperate in shaping their child

Plant biologists discovered for the first time how factors arising from the mother and father in flowering plants cooperate to develop the shape of their child. Until now, it has been unknown whether paternal factors cooperate or conflict with each other to bring about zygote asymmetry. The outcome of this discovery is expected to shed light on the exact mechanism of plant body shape formation and possibly lead to the generation of new hybrid plants.

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Nanoimprinted hyperlens array: Paving the way for practical super-resolution imaging

Research has demonstrated a scalable and reliable fabrication process of a large scale hyperlens device based on direct pattern transfer techniques. The research team’s new cost-effective fabrication method can be used to proliferate practical far-field and real-time super-resolution imaging devices that can be widely used in optics, biology, medical science, nanotechnology, and other related interdisciplinary fields.

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