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Wednesday 1 May 2019

Researchers find water in samples from asteroid Itokawa

Two cosmochemists at Arizona State University have made the first-ever measurements of water contained in samples from the surface of an asteroid. The samples came from asteroid Itokawa and were collected by the Japanese space probe Hayabusa.

* This article was originally published here

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Record solar hydrogen production with concentrated sunlight

Hydrogen will play a key role in reducing our dependence on fossil fuels. It can be sustainably produced by using solar energy to split water molecules. The resulting clean energy can be stored, used to fuel cars or converted into electricity on demand. But making it reliably on a large scale and at an affordable cost is a challenge for researchers. Efficient solar hydrogen production requires rare and expensive materials—for both the solar cells and the catalyst—in order to collect energy and then convert it.

* This article was originally published here

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Experimental drug shows promise for genetic form of ALS

An early stage trial of an investigational therapy for amyotrophic lateral sclerosis (ALS) suggests that people could tolerate the experimental drug and, in exploratory results, the experimental drug was linked to possible slower progression in people with a genetic form of the disease caused by mutations in a gene called superoxide dismutase 1 (SOD1). The preliminary study released today will be presented at the American Academy of Neurology's 71st Annual Meeting in Philadelphia, May 4 to 10, 2019.

* This article was originally published here

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3-D printing of metallic micro-objects

3-D printing has become an increasingly important production method. Researchers at ETH have now developed a new 3-D printing technique by which micrometre-sized objects made of several metals can be produced with high spatial resolution.

* This article was originally published here

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How diaper sensors can better detect urinary tract infections, reduce more severe diseases

A urinary tract infection can be painful at any age, with the burning sensations, frequent urges and pressure. It can be even worse and more dangerous for those who may not be able to communicate clearly what is happening to their bodies, such as the elderly and babies.

* This article was originally published here

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A first in medical robotics: Autonomous navigation inside the body

Bioengineers at Boston Children's Hospital report the first demonstration of a robot able to navigate autonomously inside the body. In an animal model of cardiac valve repair, the team programmed a robotic catheter to find its way along the walls of a beating, blood-filled heart to a leaky valve—without a surgeon's guidance. They report their work today in Science Robotics.

* This article was originally published here

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'Buzzing' in ear alerted boy to very unwelcome visitor

(HealthDay)—The Connecticut 9-year-old knew something was wrong. Three days after a routine day in the school playground, he felt something "foreign" in his right ear and persistent buzzing noises.

* This article was originally published here

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A personality test for ads: Machine learning algorithms could personalize advertisements for individual consumers

It's no surprise that images used for advertising on television and online play a powerful role in triggering emotions and shaping impressions of products or brands, but an ad that appeals to one person may seem irrelevant or distasteful to another. What if it was possible to start personalizing ads viewed by different consumers based on their personality types?

* This article was originally published here

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Diving deep into water and energy trade-offs

Two papers by Michigan State University (MSU) scientists begin challenging a more simplistic, input/output view of natural resources in favor of a way that better reflected how the world really works.

* This article was originally published here

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Peanut genome sequenced with unprecedented accuracy

Improved pest resistance and drought tolerance are among potential benefits of an international effort in which Agricultural Research Service (ARS) scientists and their collaborators have produced the clearest picture yet of the complex genomic history of the cultivated peanut.

* This article was originally published here

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Bots exploiting blockchains for profit

Blockchains have been hailed as fair and open, constructed so a single user can't falsify or alter records because they're all part of a transparent network.

* This article was originally published here

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Do additives help the soil?

A UBC researcher is using her latest study to question whether soil additives are worth their salt.

* This article was originally published here

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Study of teens with eating disorders compares substance users and non-users

Adolescence can be a minefield for those going through it. Along with natural bodily changes, teens also have to grapple with social pressures emphasizing thinness and other arbitrary standards of desirability.

* This article was originally published here

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Computer scientists develop novel software to smartly balance data processing load in supercomputers

The modern-age adage "work smarter, not harder" stresses the importance of not only working to produce, but also making efficient use of resources.

* This article was originally published here

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Caffeine gives solar cells an energy boost

Scientists from the University of California, Los Angeles (UCLA) and Solargiga Energy in China have discovered that caffeine can help make a promising alternative to traditional solar cells more efficient at converting light to electricity. Their research, published April 25 in the journal Joule, may enable this cost-effective renewable energy technology to compete on the market with silicon solar cells.

* This article was originally published here