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Continue reading “Two meteorites slow down then disappear over Guam, Easter Sunday” | >

Scientists say they have discovered the first evidence of a “significant” mutation of the coronavirus — raising concerns that strides made toward a vaccine so far could become “futile,” according to a new study.

The researchers, who isolated a strain of the virus from a sample collected in India in January, said the mutation appeared to make the bug less able to bind to a receptor on human cells called ACE2, an enzyme found in the lungs.

The discovery of this mutation “raises the alarm that the ongoing vaccine development may become futile in future epidemic if more mutations were identified,” the researchers said, according to Newsweek. The study, which was published on biorxiv.org on Saturday, has not yet been peer-reviewed.

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:oooo.

Metasurfaces are artificial materials designed at the nanoscale, which can control the scattering of light with exceptionally high precision. Over the past decade or so, these materials have been used to create a variety of technological tools ranging from sensors to lenses and imaging techniques.

A research team led by Mikhail Lukin at Harvard University has recently proposed a new type of metasurface that can control both the spatiotemporal and of transmitted and reflected . In a paper published in Nature Physics, the team showed that realizing a quantum metasurface is possible and could be achieved by entangling the macroscopic response of thin atom arrays to light.

“Quantum metasurfaces are an entirely new type of materials designed atom by atom, which enable applications such as quantum computation with photons,” Rivka Bekenstein, the lead author of the recent paper, told Phys.org. “We combined a state-of-the-art technique for manipulating the state of many by (i.e., Rydberg interactions) with a recent discovery of how a single sheet of atoms can reflect light. We identified an architecture that can be realized in the laboratory, in which a single layer of atoms can act as a switchable quantum mirror.”

Continue reading “A quantum metasurface that can simultaneously control multiple properties of light” | >

More than a century after giving the world aspirin, another potential drug has been found in the stem and leaves of willows—this time with anti-cancer properties.

Scientists led from Rothamsted Research, working with biologists at the University of Kent have discovered the chemical, miyabeacin, which has been found to kill various cancer , including those resistant to other drugs.

Of particular excitement is its activity against neuroblastoma, a hard to treat and common childhood cancer where the overall survival rate is below 50%.

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Guide and considerations.

Often changes to mechanical ventilator settings are performed by health care providers that have limited training in specific functions of the ventilator in use. Mechanical ventilators are sophisticated and require training to ensure positive outcomes and harm. Inappropriate setting changes, failure to change alarms, changing settings without appropriate orders, and failure to communicate changes to the medical team can result in poor patient outcomes. This activity is intended to guide health professionals to ensure that all personnel trained are trained to set up, install, and make appropriate adjustments to mechanical ventilation. an interprofessional approach with communication between all members of the healthcare team will result in the safest delivery of care and produce the best outcomes.

For safety, certain key features of mechanical ventilation are vital. These include the following actions:

Continue reading “Ventilator Safety” | >

I felt uneasy about the Swedish coronavirus plan the moment I heard about it. It seemed like an extreme gamble, in defiance of all known science and health recommendations. We have Red States here in America that have taken this same approach. Here’s the latest on Sweden: 🇸🇪 —“In an opinion piece published today in Dagens Nyheter, the group of researchers from a range of top Swedish universities and research institutes make harsh criticism of the Swedish Public Health Agency and their present coronavirus strategy. They say that elected politicians must now intervene with ” swift and radical measures.”

“According to Aftonbladet, Jan Lötvall, a professor at the University of Gothenburg, said that Swedish people have not understood the seriousness of the situation because they have received unclear messaging from health authorities and elected officials.”

Sweden’s relatively relaxed approach to controlling the spread of the coronavirus has come under fire in international media and from many locals in the capital Stockholm, where more than half the country’s deaths have been recorded. Now, 22 researchers have publicly criticized the strategy and called on politicians to make changes.

Harsh criticism from research scientists

Continue reading “Sweden: 22 Scientists Say Coronavirus Strategy Has Failed As Deaths Top 1,000” | >