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May 14, 2023
This Longevity Study Across 5 Species Found a New Pathway to Reverse Aging
Posted by Shailesh Prasad in categories: biotech/medical, genetics, life extension
A new study in Nature hunted down another piece to the aging puzzle. In five species across the evolutionary scale—worms, flies, mice, rats, and humans—the team honed in on a critical molecular process that powers every single cell inside the body and degrades with age.
The process, called transcription, is the first step in turning our genetic material into proteins. Here, DNA letters are reworked into a “messenger” called RNA, which then shuttles the information to other parts of the cell to make proteins.
Scientists have long suspected that transcription may go awry with aging, but the new study offers proof that it doesn’t—with a twist. In all five of the species tested, as the organism grew older the process surprisingly sped up. But like trying to type faster when blindfolded, error rates also shot up.
May 14, 2023
Vitamin B6: Did It Increase NAD? (Test Results)
Posted by Mike Lustgarten in categories: biotech/medical, genetics
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May 14, 2023
How Google PaLM 2 betters predecessor and rivals OpenAI’s GPT-4
Posted by Shubham Ghosh Roy in category: robotics/AI
On Wednesday, Google unveiled the second generation of its Pathways Language Model (PaLM), called PaLM 2. The new large language model (LLM) will power the latest version of the company’s ChatGPT-rivalling artificial intelligence (AI) chatbot, Bard, and Google has claimed to have significantly improved the capabilities of its latest AI model over its predecessor. The list of upgrades to PaLM is similar to the changes that OpenAI announced with the release of its latest LLM, Generative Pre-trained Transformer (GPT)-4, but with a few key differences.
What is Google PaLM 2?
In a blog post announcing the rollout, Zoubin Ghahramani, vice-president at Google’s AI research division DeepMind, said that PaLM 2 is a “state-of-the-art language model with improved multilingual, reasoning and coding capabilities.”
May 14, 2023
Artificial intelligence could replace up to 80% of human jobs, expert says
Posted by Kelvin Dafiaghor in categories: employment, robotics/AI, singularity
Artificial intelligence could potentially replace 80% of jobs “in the next few years,” according to AI expert Ben Goertzel.
Goertzel, the founder and chief executive officer of SingularityNET, told France’s AFP news agency at a summit in Brazil last week that a future like that could come to fruition with the introduction of systems like OpenAI’s ChatGPT.
“I don’t think it’s a threat. I think it’s a benefit. People can find better things to do with their life than work for a living… Pretty much every job involving paperwork should be automatable,” he said.
May 14, 2023
Chinese Mars rover sends back images of recent water-shaped crusts
Posted by Alberto Lao in categories: alien life, physics
Most of Mars appears to be an endless expanse of alien desert, without a river or lake in sight. However, liquid water definitely existed in the planet’s distant past. A new paper has also suggested that it’s also possible small quantities of water still might exist in places that otherwise appear barren.
Before China’s Zhurong (also known as Phoenix) rover went into hibernation mode last May, researchers from the National Astronomical Observatories and the Institute of Atmospheric Physics of the Chinese Academy of Sciences discovered something unexpected. Zhurong was exploring the Utopia Planitia region, which is near the planet’s equator. No liquid water was thought to exist at those latitudes. Yet when the rover beamed back data from its Multispectral Camera (MSCam), Navigation and Terrain Camera (NaTeCam), and Mars Surface Composition Detector (MarSCoDe), there was possible evidence for liquid water having been present less than half a million years ago.
“[Our findings] suggest [features] associated with the activity of saline water, indicating the existence of water process on the low-latitude region of Mars,” the researchers said in a study recently published in Science Advances.
May 14, 2023
Experimental simulation of loop quantum gravity on a photonic chip
Posted by Quinn Sena in categories: computing, quantum physics
O.o!!!
The unification of general relativity and quantum theory is one of the fascinating problems of modern physics. One leading solution is Loop Quantum Gravity (LQG). Simulating LQG may be important for providing predictions which can then be tested experimentally. However, such complex quantum simulations cannot run efficiently on classical computers, and quantum computers or simulators are needed. Here, we experimentally demonstrate quantum simulations of spinfoam amplitudes of LQG on an integrated photonics quantum processor. We simulate a basic transition of LQG and show that the derived spinfoam vertex amplitude falls within 4% error with respect to the theoretical prediction, despite experimental imperfections.
May 14, 2023
IBM announces end-to-end solution for quantum-safe cryptography
Posted by Shubham Ghosh Roy in categories: computing, encryption, information science, quantum physics, security
During its ongoing Think 2023 conference, IBM today announced an end-to-end solution to prepare organisations to adopt quantum-safe cryptography. Called Quantum Safe technology, it is a set of tools and capabilities that integrates IBM’s deep security expertise. Quantum-safe cryptography is a technique to identify algorithms that are resistant to attacks by both classical and quantum computers.
Under Quantum Safe technology, IBM is offering three capabilities. First is the Quantum Safe Explorer to locate cryptographic assets, dependencies, and vulnerabilities and aggregate all potential risks in one central location. Next is the Quantum Safe Advisor which allows the creation of a cryptographic inventory to prioritise risks. Lastly, the Quantum Safe Remidiator lets organisations test quantum-safe remediation patterns and deploy quantum-safe solutions.
In addition, the company has also announced IBM Safe Roadmap, which will serve as the guide for industries to adopt quantum technology. IBM Quantum Safe Roadmap is the company’s first blueprint to help companies in dealing with anticipated cryptographic standards and requirements and protect systems from vulnerabilities.
May 13, 2023
Resurrecting a 2.6 billion-year-old ancient CRISPR system
Posted by Shubham Ghosh Roy in categories: bioengineering, biotech/medical, employment, food
Incapable of replicating on their own, viruses must hijack other organisms, like bacteria, to continue their existence. Little wonder, then, that bacteria had to develop ways to fight back.
Among them is CRISPR, a kind of an immune system that keeps DNA records of previous infections and then uses a protein called Cas to attack viruses that show up again. When Cas reaches a targeted virus, it cleaves the viral DNA, protecting the bacteria from infection.
Researchers have harnessed that targeted, DNA-snipping ability as a gene editing tool for all kinds of organisms. CRISPR can now be found in a variety of fields doing a variety of jobs, from helping to fight sickle cell and high cholesterol in humans to gene editing animals and crops. It’s proven to be an amazingly versatile tool.
May 13, 2023
Cana, The Startup Building a Make-Any-Drink Beverage Printer, Shuts Down
Posted by Shubham Ghosh Roy in category: habitats
Cana, the company which was building an appliance that they claimed could create and customize virtually any beverage, shut down last week, The Spoon has learned.
According to numerous Linkedin posts from previous employees, the company could not secure funding and laid off all of its employees last week. Cana, which had raised $30 million in January last year, promised to have the product ready to ship sometime this year. But despite having a working prototype and brand partners in place, Cana could not raise the “funding necessary to build a production line for manufacturing and shipping devices.”
The news comes just two months after the company brought on none other than Sir Patrick Stewart of Star Trek fame to be a brand ambassador, a hail mary move that didn’t work out.