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Category: biotech/medical – Page 1,767

San Francisco to pay ‘essential’ artists $1,000 per month basic income in pilot program amid pandemic

“The Office of Racial Equity at the San Francisco Human Rights Commission will handle the program and artists from ”historically marginalized communities” are encouraged to apply.

Other basic income programs under development in San Francisco include funds for emergency medical technicians and Black and Pacific Islander expectant mothers, FOX 2 reported.

You could call it art for art’s sake — plus $1000 a month.

San Francisco plans to start paying 130 local artists $1000 a month starting in May through the fall in a pilot program announced on Thursday.

It follows other so-called ”universal basic income” efforts being launched in California amid the coronavirus pandemic.

Hidden Structure Found in Essential Metabolic Machinery – “I Didn’t Think It Was Real”

Discovery “requires us to rethink everything we thought we knew about peroxisomes.”

In his first year of graduate school, Rice University biochemist Zachary Wright discovered something hidden inside a common piece of cellular machinery that’s essential for all higher order life from yeast to humans.

What Wright saw in 2015 — subcompartments inside organelles called peroxisomes — is described in a study published today in Nature Communications.

Covid-19 Variant Rages in Brazil, Posing Global Risk

A new Covid-19 variant from the Amazon is now responsible for the majority of new infections in Brazil, with many doctors there saying they are seeing more young and otherwise healthy patients falling ill. Hopefully Covid doesnt bounce back and turn into the 1918 flu.

“We’re in the trenches here, fighting a war,” said Andréia Cruz, a 42-year-old emergency-ward nurse in the southern Brazilian city of Porto Alegre. In the past three weeks alone, the surrounding state of Rio Grande do Sul has seen nearly 5000 people die from Covid-19, more than in the final three months of last year.

The spread of the virus in Brazil threatens to turn this country of 213 million into a global public-health hazard. The so-called P.1 strain, present in more than 20 countries and identified in New York last week, is up to 2.2 times more contagious and as much as 61% more able to reinfect people than previous versions of the coronavirus, according to a recent study.

The P.1 is now responsible for the majority of new infections in Brazil, with many doctors here saying they are seeing more young and otherwise healthy patients falling ill. About 30% of people dying from Covid-19 are now under 60, compared with an average of about 26% during Brazil’s previous peak between June and August, according to official figures analyzed by The Wall Street Journal.

Memory transfer between snails challenges view of how brain remembers

LOS ANGELES — UCLA neuroscientists reported Monday that they have transferred a memory from one animal to another via injections of RNA, a startling result that challenges the widely held view of where and how memories are stored in the brain.

The finding from the lab of David Glanzman hints at the potential for new RNA-based treatments to one day restore lost memories and, if correct, could shake up the field of memory and learning.

“It’s pretty shocking,” said Dr. Todd Sacktor, a neurologist and memory researcher at SUNY Downstate Medical Center in Brooklyn, N.Y. “The big picture is we’re working out the basic alphabet of how memories are stored for the first time.” He was not involved in the research, which was published in eNeuro, the online journal of the Society for Neuroscience.

Many scientists are expected to view the research more cautiously. The work is in snails, animals that have proven a powerful model organism for neuroscience but whose simple brains work far differently than those of humans. The experiments will need to be replicated, including in animals with more complex brains. And the results fly in the face of a massive amount of evidence supporting the deeply entrenched idea that memories are stored through changes in the strength of connections, or synapses, between neurons.

The World’s Strongest Laser is About to Simulate a Supernova

The world’s most powerful laser is scheduled for a slate of experiments next year.

The laser, in Romania, managed to fire at 10 petawatts — that’s one-tenth the power of all the sunlight that reaches Earth concentrated into a single laser beam — during a test run in March. Now, according to ExtremeTech, the scientists behind it intend to discover new high-energy cancer treatments and simulate supernovas to reveal how the stellar explosions form heavy metals.

The laser is part of the European Union’s Extreme Light Infrastructure project. The hope is that lasers will lead to new medical techniques, a better understanding of how the universe works, and improved nuclear safety.

New class of versatile, high-performance quantum dots primed for medical imaging, quantum computing

A new class of quantum dots deliver a stable stream of single, spectrally tunable infrared photons under ambient conditions and at room temperature, unlike other single photon emitters. This breakthrough opens a range of practical applications, including quantum communication, quantum metrology, medical imaging and diagnostics, and clandestine labeling.

“The demonstration of high single-photon purity in the infrared has immediate utility in areas such as quantum key distribution for secure communication,” said Victor Klimov, lead author of a paper published today in Nature Nanotechnology by Los Alamos National Laboratory scientists.

The Los Alamos team has developed an elegant approach to synthesizing the colloidal-nanoparticle structures derived from their prior work on visible light emitters based on a core of cadmium selenide encased in a cadmium sulfide shell. By inserting a mercury sulfide interlayer at the core/shell interface, the team turned the into highly efficient emitters of that can be tuned to a specific wavelength.