A combination of cold weather and just the right amount of wave motion has caused strange frozen spheres to cover a Finnish beach.
This transforms from a stool into a chair when you sit down. No buttons, no levers, no batteries. Just bum power.
A desirable option would be to use CRISPR gene editing to essentially cut out the unwanted gene. There are, however, many challenges ahead.
If you want to remove an undesirable gene from a population, you have a couple theoretical options — one that most people might find unthinkable, and one that lies outside our current scientific abilities.
The first involves locating a group of people without a particular gene and designing breeding programs around them. It would mean mating people in ways that society would consider incestuous. And we’ve seen the difficulties that result from that in the past — marriages between close relatives were a notorious cause of hemophilia in European royal families, for example.
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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 The study, which was published on biorxiv.org on Saturday, has not yet been peer-reviewed.
Artificial intelligence and brain scanning technology like fMRI may make it possible for humans to understand what pet animals and livestock are thinking.
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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 quantum properties of transmitted and reflected light. 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 atoms by long-range interactions (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.”
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 cancer biologists at the University of Kent have discovered the chemical, miyabeacin, which has been found to kill various cancer cells, 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%.
Ventilator Safety
Posted in biotech/medical, health
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. [1][2][3] These include the following actions: