The Amulet Products Blog.

Asthma patients often undergo tests involving inhaled methacholine, a drug that can cause narrowing of the airways, similar to what occurs in asthma. In a Respirology analysis of data on patients undergoing such tests, obesity and older age were linked with higher risks of airway closure.

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Heroin users aware of fentanyl, but at high risk of overdosing

Most heroin users in Baltimore, a city heavily affected by the opioid epidemic, recognize that the heroin they buy is now almost always laced with the highly dangerous synthetic opioid fentanyl, according to a new study led by researchers at the Johns Hopkins Bloomberg School of Public Health.

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Engineers' printed transistor unlocks potential for portable real-time sensing

Cambridge engineers have developed a high performance printed transistor with flexibility for use in wearable and implantable electronics.

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As the web turns 30, is it an 'out-of-control monster'?

Thirty years ago this month, a young British software engineer working at a lab near Geneva invented a system for scientists to share information that would ultimately change humanity.

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Galactic wind provides clues to evolution of galaxies

The Cigar Galaxy (also known as M82) is famous for its extraordinary speed in making new stars, with stars being born 10 times faster than in the Milky Way. Now, data from the Stratospheric Observatory for Infrared Astronomy, or SOFIA, have been used to study this galaxy in greater detail, revealing how material that affects the evolution of galaxies may get into intergalactic space.

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After years of promise, battery cars about to go mainstream

For years, there have been lots of electric cars proudly rolled out at auto shows but few on the streets or at dealers. That could be about to change.

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Global analysis of billions of Wikipedia searches reveals biodiversity secrets

An international team of researchers from the University of Oxford, the University of Birmingham and Ben-Gurion University of the Negev have found that the way in which people use the internet is closely tied to patterns and rhythms in the natural world. This finding, publishing March 5 in the open-access journal PLOS Biology suggests new ways to monitor changes in the world's biodiversity. It also reveals new ways to see how much people care about nature, and which species and areas might be the most effective targets for conservation.

* This article was originally published here