Lifeboat Foundation

https://youtube.com/watch?v=Vi5RBv79oik

Yann LeCun is Director of AI Research at Facebook and Silver Professor at New York University, affiliated with the Courant Institute, the Center for Neural Science and the Center for Data Science, for which he served as founding director until 2014. He received an EE Diploma from ESIEE (Paris) in 1983, a PhD in Computer Science from Université Pierre et Marie Curie (Paris) in 1987.

After a postdoc at the University of Toronto, he joined AT&T Bell Laboratories. He became head of the Image Processing Research Department at AT&T Labs-Research in 1996, and joined NYU in 2003 after a short tenure at the NEC Research Institute. In late 2013, LeCun became Director of AI Research at Facebook, while remaining on the NYU Faculty part-time. He was visiting professor at Collège de France in 2016.

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As we age, the thymus begins to shrink, and fewer numbers of T cells are created and trained to fight. This structural decay of the thymus is one of the main reasons why we become increasingly vulnerable to infectious diseases, such as influenza and pneumonia. The other reason is immune cells becoming senescent.

There are a number of possible solutions to this problem. Firstly, engineering new healthy and youthful thymic tissue might help to restore the immune system, and indeed a number of groups are working towards this.

Secondly, some researchers are focused on encouraging the aged thymus to regrow using various approaches, such as stem cell transplants, cellular reprogramming or chemical compounds. Dr. Greg Fahy is involved in researching this second approach, and we had the opportunity to speak to him about this work.

The shift will occur with the advent of cheap artificial meat. Technological change has often helped to catalyse ethical change. The $300m deal China signed last month to buy lab-grown meat marks the beginning of the end of livestock farming. But it won’t happen quickly: the great suffering is likely to continue for many years.

The suffering inherent in mass meat production can’t be justified. And as the artificial meat industry grows, the last argument for farming animals has now collapsed.

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For this new book, Jim and Al have spent a year sifting through the cutting-edge research, visiting laboratories and interviewing key opinion leaders in the field of life extension. https://www.juvenescence-book.com/

My guest today on Stuff That Interests Me is one of Britain’s most successful investors, Jim Mellon.

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(Phys.org)—A team of researchers from the University of California and the University of Tokyo has found a way to use the CRISPR gene editing technique that does not rely on a virus for delivery. In their paper published in the journal Nature Biomedical Engineering, the group describes the new technique, how well it works and improvements that need to be made to make it a viable gene editing tool.

CRISPR-Cas9 has been in the news a lot lately because it allows researchers to directly edit genes—either disabling unwanted parts or replacing them altogether. But despite many success stories, the technique still suffers from a major deficit that prevents it from being used as a true medical tool—it sometimes makes mistakes. Those mistakes can cause small or big problems for a host depending on what goes wrong. Prior research has suggested that the majority of mistakes are due to delivery problems, which means that a replacement for the virus part of the technique is required. In this new effort, the researchers report that they have discovered just a such a replacement, and it worked so well that it was able to repair a gene mutation in a Duchenne muscular dystrophy mouse model. The team has named the new technique CRISPR-Gold, because a gold nanoparticle was used to deliver the gene editing molecules instead of a virus.

The new package was created by modifying a bit of DNA to cause it to stick to a gold nanoparticle and then a Cas9 protein and also an RNA guide. The package was then coated with a polymer that served as a containment casing—one that also triggered endocytosis (a form of cell transport) and helped the molecules escape endosomes once inside the target cells. The molecules then set to work—the Cas9 cut the target DNA strand, the guide RNA showed what needed to be done and a DNA strand was placed where a mutation had existed. The result was a gene free of a mutation that causes Duchenne muscular dystrophy.

Continue reading “Gold nanoparticle used to replace virus in new CRISPR approach” »

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IMF head Christine Lagarde said “it may not be wise to dismiss virtual currencies” like bitcoin and ethereum at bank of england conference.”=”

New SomeFuture podcast out. My 45-min interview starts at 55 min and is on #transhumanism:

Introduction: (0:11–1:29)

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