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Feb 29, 2020

Newly identified cellular trash removal program helps create new neurons

Posted by in categories: biotech/medical, neuroscience

Summary: Vimentin, a cellular filament, helps neural stem cells to clear damaged and clumped proteins, assisting in neurogenesis.

Source: University of Wisconsin Madison

New research by University of Wisconsin-Madison scientists reveals how a cellular filament helps neural stem cells clear damaged and clumped proteins, an important step in eventually producing new neurons. The work provides a new cellular target for interventions that could boost neuron production when it’s needed most, such as after brain injuries. And because clumping proteins are a hallmark of many neurodegenerative diseases, like Alzheimer’s, the new study could provide insight into how these toxic proteins can be cleared away. Assistant Professor of Neuroscience Darcie Moore led the work with her graduate student Christopher Morrow. Their study is available online in the journal Cell Stem Cell.

Feb 29, 2020

CRISPR’s co-developer on the revolutionary gene-editing technology’s past — and its future

Posted by in categories: bioengineering, biotech/medical, genetics

CRISPR revolutionized gene editing. Should we be worried?

Feb 29, 2020

Airplane Wi-Fi Could Get Massive Upgrade in the Near Future

Posted by in categories: energy, habitats, internet

If planes were as reliable as in-flight Wi-Fi, we’d never get on a flight again. Fortunately, industry group Seamless Air Alliance is working to change that. The group operates under the mission of bringing “industries and technologies together to make the in-flight internet experience simple to access and delightful to use.” Its idea? To get rid of the toxic brew of current proprietary systems operated by each airline and instead establish a standard for in-flight Wi-Fi that can be flexibly swapped in and out to better allow airlines to respond as technology improves.

“The goal of the Alliance is to deliver high-speed, low-latency 5G quality access inside the plane,” the FAQ section of the group’s website states. “Access to the network will be seamless, meaning any enabled user device will work without any login, sign-on or other activities. The internet experience itself will be as good as, and in many cases better than, the home experience, including low latency, high speed, and a gate-to-gate continuity of service.”

An article for IEEE Spectrum notes that “a plane’s antennas are currently stored in a relatively small hump on the top of the craft, typically about 45 centimeters high. Even though it’s so small, that hump causes tremendous amounts of wasted jet fuel, [Seamless Air Alliance CEO Jack] Mandala says, causing an estimated minimum of an extra $75,000 per aircraft per year in fuel costs.”

Feb 29, 2020

Ride-Hail And Delivery Apps Like Lyft And DoorDash Aren’t Sharing Their Plans For What Happens When Coronavirus Hits The United States

Posted by in category: biotech/medical

In China, drivers became folk heroes — will the same happen in the US?

By Ryan Broderick

Feb 29, 2020

Freeman Dyson, legendary theoretical physicist, dies at 96

Posted by in categories: military, particle physics

Dyson helped create modern particle physics, criticized nuclear weapons tests, and imagined how civilizations could take to the stars.

Feb 29, 2020

Scientists Show How Birds See The World Compared To Humans

Posted by in category: futurism

How is it that an eagle can snatch a rabbit off the ground from hundreds of feet in the air and we can not even grab a glass off a table without knocking it over? It’s because they see the world differently from us.

Feb 29, 2020

Researchers Succeed In Using Human Stem Cells To Cure Diabetes In Mice

Posted by in category: biotech/medical

Experts found a way to cure diabetes using human stem cells.

Feb 29, 2020

At A Cellular Level, Every Single Human Depends On Positivity To Survive

Posted by in category: health

There is an indisputable link between having a positive outlook and health benefits. Positivity is more than skin deep, it’s in your very cells.

Feb 28, 2020

AI Is an Energy-Guzzler. We Need to Re-Think Its Design, and Soon

Posted by in categories: information science, robotics/AI

Of course, the computers and data centers that support AI’s complex algorithms are very much dependent on electricity. While that may seem pretty obvious, it may be surprising to learn that AI can be extremely power-hungry, especially when it comes to training the models that enable machines to recognize your face in a photo or for Alexa to understand a voice command.

The scale of the problem is difficult to measure, but there have been some attempts to put hard numbers on the environmental cost.

For instance, one paper published on the open-access repository arXiv claimed that the carbon emissions for training a basic natural language processing (NLP) model—algorithms that process and understand language-based data—are equal to the CO2 produced by the average American lifestyle over two years. A more robust model required the equivalent of about 17 years’ worth of emissions.

Feb 28, 2020

Gut bacteria may be responsible for bowel disorders including cancers

Posted by in category: biotech/medical

One kind of bacteria can cause colon tumours, while lacking another kind of microbe may lead to ulcerative colitis, an inflammatory bowel condition.