Advancements in Lab-Grown Brain Research: Exploring the Future of Cerebral Development

Developing brain organoid with vascular system

Revitalizing Brain Organoids: A Breakthrough in Vascular Integration

Imago/Alamy

A pioneering advancement has been made in growing a miniaturized version of the developing cerebral cortex, crucial for cognitive functions like thinking, memory, and problem-solving, complete with a realistic vascular system. This advancement in brain organoids offers unprecedented insights into brain biology and pathology.

Brain organoids, often referred to as “mini-brains,” are produced by exposing stem cells to specific biochemical signals in a laboratory setting, encouraging them to form self-organizing cellular spheres. Since their inception in 2013, these organoids have significantly contributed to research on conditions such as autism, schizophrenia, and dementia.

However, these organoids have a significant limitation: they typically start to deteriorate after only a few months. This degradation occurs because a full-sized brain has an intricate network of blood vessels that supply essential oxygen and nutrients, while organoids can only absorb these elements from their growth medium, leading to nutrient deprivation for the innermost cells. “This is a critical issue,” remarks Lois Kistemaker from Utrecht University Medical Center in the Netherlands.

To mitigate this issue, Ethan Winkler and researchers at the University of California, San Francisco, devised a method to cultivate human stem cells for two months, resulting in “cortical organoids” that closely resemble the developing cerebral cortex. They then introduced organoids composed of vascular cells, strategically placing them at either end of each cortical organoid, facilitating the formation of a vascular network throughout the mini-brain.

Crucially, imaging studies revealed that the blood vessels in these mini-brains possess hollow centers, or lumens, akin to those found in natural blood vessels. “The establishment of a vascular network featuring lumens similar to authentic blood vessels is impressive,” states Madeline Lancaster, a pioneer in organoid research at the University of Cambridge. “This represents a significant progression.”


Past attempts to incorporate blood vessels within brain organoids have failed to achieve this crucial detail; previous studies typically resulted in unevenly distributed vessels throughout the organoids. In contrast, the blood vessels formed in this new experiment exhibit properties and genetic activities more closely aligned with those in actual developing brains, thereby establishing a more effective “blood-brain barrier.” This barrier protects the brain from harmful pathogens while permitting the passage of nutrients and waste, according to Kistemaker.

The implications of these findings indicate that blood vessels are crucial for delivering nutrient-rich fluids necessary for sustaining organoids. Professor Lancaster emphasizes, “To function properly, blood vessels, similar to the heart, require a mechanism for continuous blood flow, ensuring that deoxygenated blood is replaced with fresh, oxygen-rich blood or a suitable substitute.”

Topics:


Source: www.newscientist.com

2025: Mathematicians Discover Cutting-Edge Advancements in Mathematics

Things Get Weird When Numbers Get Big.

Jezper / Alamy

In 2025, the Busy Beaver Challenge Community offers an unprecedented glimpse into the cutting-edge realm of mathematics, where large numbers are poised to challenge the very foundations of logical reasoning.

This exploration centers on the next number in the “Busy Beaver” sequence, a collection of rapidly increasing values that arise from a fundamental query: How can we determine whether a computer program has the potential to run indefinitely?

To answer this, researchers draw upon the seminal work of mathematician Alan Turing, who demonstrated that any computer algorithm could be modeled using a simplified mechanism called a Turing machine. More intricate algorithms correspond to Turing machines with expanded instruction sets or a greater number of states.

Each Busy Beaver number, denoted as BB(n), denotes the longest execution time achievable for an n-state Turing machine. For instance, BB(1) equals 1 and BB(2) equals 6, indicating that doubling the complexity of the algorithm extends its runtime sixfold. This growth escalates rapidly; for example, BB(5) reaches an astounding 47,176,870.

In 2024, members of the Busy Beaver Challenge succeeded in determining the exact value of BB(5), culminating a 40-year study into every Turing machine comprising five states. Consequently, 2025 became a year dedicated to pursuing BB(6).

In July, a member known as mxdys identified the lower bound for BB(6), revealing that its value is not only significantly larger than BB(5) but also dwarfs the number of atoms in the universe.

Due to the impracticality of expressing all its digits, mathematicians utilize a notation system called tetration, which involves exponentiating numbers repetitively. For example, 2 raised to the power of 2 results in 4, which can similarly be expressed as 2 raised to the power of 4, yielding 16. BB(6) is at least as large as 2 raised to the power of 2 raised to the power of 9, forming a towering structure of repeated squares.

Discovering BB(6) transcends mere record-setting; it holds significant implications for the field of mathematics. Turing’s findings assert the existence of a Turing machine behavior that eludes prediction within a framework known as ZFC theory, which underpins contemporary mathematics.

Researchers have previously indicated that BB(643) defies ZFC theory, but the potential for this occurrence in a limited number of cases remains uncertain, positioning the Busy Beaver Challenge as a vital contributor to advancing our understanding.

As of July, there were 2,728 Turing machines with six states still awaiting analysis of their stopping behavior. By October, that number diminished to 1,618. “The community is currently very engaged,” comments computer scientist Tristan Stellin, who introduced the Busy Beaver Challenge in 2022.

Among the remaining machines lies the potential key to precisely determining BB(6). Any one of these could be a crucial unknown, possibly revealing substantial limitations of the ZFC framework and contemporary mathematics. In the coming year, math enthusiasts worldwide are poised to delve deeply into these complexities.

Source: www.newscientist.com

Americans Awarded Nobel Prize in Medicine for Advancements in Understanding the Human Immune System

Three distinguished scientists (two from the U.S. and one from Japan) have been awarded the Nobel Prize in Medicine for their pivotal discovery related to peripheral immune resistance.

Mary E. Blankku, Fred Ramsdell, and Sakaguchi Shiko were jointly recognized for their breakthrough that “has invigorated the field of peripheral tolerance and contributed to the advancement of medical treatments for cancer and autoimmune disorders,” as stated in a news release by the Nobel Committee. The three recipients will share a prize of 11 million Swedish Kronor (approximately $1.2 million).

“This could also enhance the success rates of organ transplants. Several of these therapies are currently in clinical trials,” he noted.

Autoimmune diseases may arise when T cells, which serve as the body’s main defense against harmful pathogens, malfunction.

Their collective discovery establishes an essential foundation for understanding alternative methods by which the immune system, known as peripheral resistance, functions.

To mitigate damage, our bodies attempt to eliminate malfunctioning T cells within the thymus, a lymphoid organ, through a mechanism termed central resistance. Associated Press.

The groundbreaking research began in 1995 when Sakaguchi, a prominent professor at the Center for Immunology Frontier Research at Osaka University in Japan, uncovered a previously unknown class of immune cells that defend against autoimmune diseases.

Six years later, in 2001, Mary Blankku, who now serves as a senior program manager at the Institute of Systems Biology in Seattle, along with Ramsdell, a scientific advisor to Sonoma Biotherapeutics in San Francisco, identified a specific genetic mutation responsible for a severe autoimmune disease known as IPEX.

They designated this gene as foxp3.

By 2003, Sakaguchi confirmed that the FOXP3 gene he had identified nearly a decade prior was crucial for cell development. These cells are now referred to as regulatory T cells, which are essential in monitoring other T cells to prevent their malfunction.

“Their discoveries were vital for understanding the immune system’s functioning and why serious autoimmune diseases don’t affect everyone,” remarked All Kampe, Chairman of the Nobel Committee.

Nobel Committee Executive Director Thomas Perman announced the award on Monday morning, stating that he was only able to reach Sakaguchi.

“I hugged him in his lab, and he expressed immense gratitude, stating it was a tremendous honor. He was quite moved by the news,” Perman mentioned.

The awards ceremony is scheduled for December 10th, coinciding with the anniversary of Alfred Nobel’s death, a Swedish industrialist who founded the award to honor individuals who have significantly contributed to humanity. The inaugural award was revealed in 1901, marking the fifth anniversary of his passing.

The Nobel Prize in Physiology or Medicine will be announced in Stockholm at the Karolinska Institute on Monday, followed by the prizes for Physics, Chemistry, and Literature on the ensuing days.

The Nobel Peace Prize will be revealed on Friday.

Source: www.nbcnews.com

Minister Warns British Workers Risk Being Left Behind by AI Advancements

British workers need to embrace AI and turn their apprehensions into “exhilarating” experiences, or risk being outpaced by their peers, stated the technical secretary.

Peter Kyle urged both employees and businesses to “act quickly” to engage with new technologies.

Innovations like the advent of ChatGPT have triggered significant investments in technology, although it is expected that numerous roles across various sectors, including law and finance, will be impacted.

Kyle remarked: “[Using AI] leads to a sense of exhilaration, as it is often simpler than people think and more rewarding than they anticipate.”

After speaking with the leader of a technology firm, Kyle addressed the government’s initiative to train 7.5 million British workers in AI by 2030, with support from companies like Google, Amazon, and BT.

He added:

“It’s an optimistic message: act now, and you’ll prosper in the future. Failing to act could leave some behind, which is my biggest concern.”

Kyle pointed out a generational divide in AI usage, noting that individuals over 55 are adopting AI technologies more than those over 35. He suggested that merely two and a half hours of training might bridge this gap.

“There’s no need for people to delve into quantum physics,” Kyle emphasized. “They simply need foundational training on how AI functions and how to engage with it, discovering the opportunities available to them in the workplace.”

This week, Keir Starmer acknowledged that many are “skeptical” about AI and anxious about their job security. At London Tech Week, the Prime Minister stated that the government aims to demonstrate how technology can “generate wealth in your community” and significantly enhance public services.

According to recent polling data shared with the Guardian, individuals in English-speaking nations, such as the UK, the US, Australia, and Canada, express greater anxiety about AI’s rise compared to those in the largest EU economies.

Predictions regarding AI’s impact on employment vary, with organizations like the OECD warning that automation may lead to job losses in skilled sectors like law, healthcare, and finance. The International Monetary Fund reports that 60% of jobs in advanced economies like the US and UK are at risk from AI, with half potentially facing negative repercussions.

Nonetheless, the Tony Blair Institute advocates for the broad adoption of AI across both public and private sectors, arguing that potential job losses in the UK private sector will be offset by new roles created through technology.

Kyle expressed his intention to reset the conversation around AI and copyright after opposing the government’s proposed revisions to copyright law. The Data Bill, which included controversial provisions allowing AI firms to use copyrighted material without consent, was approved after no further amendments related to copyright were submitted by the Lords.

“I approach this with humility and a willingness to reflect on how I could have handled things better,” he stated. “I am committed to moving forward with a renewed focus on what creative rights can offer in the digital age, akin to the benefits enjoyed by generations in the analog era.”

Source: www.theguardian.com

Advancements in childbirth make for slower walking and pelvic issues

SEI 247042176

Pelvic width can affect the risk of birth complications and back pain

Cavan Images/Getty Images

According to the largest research of this kind, a person’s waist width appears to be the result of a complex trade-off between larger brain evolution and upright walking.

“If the brain is growing bigger and bigger over the same evolutionary time as the pelvis is narrowing, this of course leads to conflict.” Vagheesh Narasimhan At the University of Texas at Austin.

This idea, first proposed in the 1960s, is known as the obstetric dilemma. Recently, it has been suggested that the risk of pelvic floor conditions is also considered. The pelvic floor is the layer of muscle that keeps organs in place. If it becomes weak or tear, it can lead to incontinence and problems during childbirth.

“The obstetrics dilemma has been very heated and debated,” says Narasinghan. For example, there have been many previous studies that attempt to relate pelvic structures to walking speed and efficiency, but these studies usually involve a small number of people and produce conflicting results.

Now, Narasinghan and his colleagues are looking at 31,000 men and women using data from the UK biobank. The team measured various aspects of the pelvis based on the type of scan called dual energy x-ray absorption measurements and looked for correlations with genetic variation and aspects of people’s health, including the need for emergency Caisalians.

Results show that wider pelvis reduces the risk of birth complications, but slower walking and higher risk of pelvic floor-related conditions, leading to hip osteoarthritis. On the other hand, narrower pelvis can speed up walking, but increases the risk of birth complications, lower back pain and knee osteoarthritis.

Previously, it has been suggested that there is a link between narrow-back births and reducing the risk of prenatal births, but the team found no association between pelvic width and pregnancy length. “This is consistent with other studies showing that no human children are born. [relatively] Faser than other apes,” says Narasinghan.

The team observed a link between pelvic width at birth and baby’s head size. “Individuals who may give birth to a wider head child often have a wider pelvis,” says Narasinghan. “It happens because of natural selection, which is a continuous selection of this correlated individual.” According to a 2016 survey, this selection may have ended for the C section.

Another finding is that most people have slightly asymmetric pelvises that correlate with their dominant hand. Being left or right-handed usually determines which legs dominate. This affects walking and pelvic development, which can lead to slight asymmetry as we grow, says Narasinghan.

“This is an extraordinary contribution to fundamental aspects of human evolutionary biology.” Scott Simpson Case Western Reserve University in Cleveland, Ohio. “By integrating anatomical, genetic, clinical and behavioral data, the authors provided important insights into this unique human adaptation.”

“It’s good to be able to take advantage of large datasets.” Nicole Webb At the University of Zurich in Switzerland, the chimpanzee birth canal was far larger than the people’s birth canal. Webb points out that all people in the dataset are older than 40 years old and are from the UK. “If this work is done in a young, diverse group, the results can be even more impressive,” she says.

topic:

  • Human evolution/
  • pregnancy

Source: www.newscientist.com

Reported advancements in AI-driven weather forecasting | Artificial Intelligence (AI)

With the use of a new AI weather forecast approach, a single researcher working on desktop computers can deliver precise weather forecasts that are significantly faster and require much less computing power compared to traditional systems.

Traditional weather forecasting methods involve multiple time-consuming stages that rely on supercomputers and teams of experts. Aardvark Weather offers a more efficient solution by training AI on raw data collected from various sources worldwide.

This innovative approach, detailed in a publication by researchers from the University of Cambridge, Alan Turing Institute, Microsoft Research, and ECMWF, holds the potential to enhance forecast speed, accuracy, and cost-effectiveness.

Richard Turner, a machine learning professor at Cambridge University, envisions the use of this technology for creating tailored forecasts for specific industries and regions, such as predicting agricultural conditions in Africa or wind speeds for European renewable energy companies.

Members of New South Wales Emergency Services will inspect the advancement of the tropical cyclone Alfred on March 5, 2025 at a weather satellite view in Sydney, Australia. Photo: Bianca de Mart/Reuters

Unlike traditional forecasting methods that rely on extensive manual work and lengthy processing times, this new approach streamlines the prediction process, offering potentially more accurate and extended forecasts.

According to Dr. Scott Hosking from the Alan Turing Institute, this breakthrough can democratize weather forecasting by making advanced technologies accessible to developing countries and aiding decision-makers, emergency planners, and industries that rely on precise weather information.

Dr. Anna Allen, the lead author of the Cambridge University research, believes that these findings could revolutionize predictions for various climate-related events like hurricanes, wildfires, and air quality.

Skip past newsletter promotions

Drawing on recent advancements by tech giants like Huawei, Google, and Microsoft, Aardvark aims to revolutionize weather forecasting by leveraging AI to accelerate predictions. The system has already shown promising results, outperforming existing forecast models in certain aspects.

Source: www.theguardian.com

Advancements in Dementia Research: Science can now accurately assess the “biological age” of your brain

If you’re like Khloe Kardashian, who recently turned 40, you may have considered testing your biological age to see if you feel younger than your actual age. But while these tests can tell you a lot about your body’s aging, they often overlook the aging of your brain. Researchers have now developed a new method to determine how quickly your brain is aging, which could help in predicting and preventing dementia. Learn more here.

Unlike your chronological age, which is based on the number of years since you were born, your biological age is determined by how well your body functions and how your cells age. This new method uses MRI scans and artificial intelligence to estimate the biological age of your brain, providing valuable insights for brain health tracking in research labs and clinics.

Traditional methods of measuring biological age, such as DNA methylation, do not work well for the brain due to the blood-brain barrier, which prevents blood cells from crossing into the brain. The new non-invasive method developed at the University of Southern California combines MRI scans and AI to accurately assess brain aging.

Using AI to analyze MRI brain scans, researchers can now predict how quickly the brain is aging and identify areas of the brain that are aging faster. This new model, known as a 3D Convolutional Neural Network, has shown promising results in predicting cognitive decline and Alzheimer’s disease risk based on brain aging rates.

Researchers believe that this innovative approach can revolutionize the field of brain health and provide valuable insights into the impact of genetics, environment, and lifestyle on brain aging. By accurately estimating the risk of Alzheimer’s disease, this method could potentially lead to the development of new prevention strategies and treatments.

Overall, this new method offers a powerful tool for tracking brain aging and predicting cognitive decline, bringing us closer to a future where personalized brain health assessments can help prevent and treat neurodegenerative diseases.

For more information, visit Professor Andrei Ilimia’s profile here.

https://c02.purpledshub.com/uploads/sites/41/2025/02/MRI-scan.mp4
Using AI to analyze MRI brain scans, you can see how quickly your brain is aging.

Source: www.sciencefocus.com

The “Godfather” of AI warns that Deepseek’s advancements may heighten safety concerns.

A groundbreaking report by AI experts suggests that the risk of artificial intelligence systems being used for malicious purposes is on the rise. Researchers, particularly in DeepSeek and other similar organizations, are concerned about safety risks which may escalate.

Yoshua Bengio, a prominent figure in the AI field, views the progress of China’s DeepSeek startup with apprehension as it challenges the dominance of the United States in the industry.

“This leads to a tighter competition, which is concerning from a safety standpoint,” voiced Bengio.

He cautioned that American companies and competitors need to focus on overtaking DeepSeek to ensure safety and maintain their lead. Openai, known for Chatgpt, responded by hastening the release of a new virtual assistant to keep up with DeepSeek’s advancements.

In a wide-ranging discussion on AI safety, Bengio stressed the importance of understanding the implications of the latest safety report on AI. The report, spearheaded by a group of 96 experts and endorsed by renowned figures like Jeffrey Hinton, sheds light on the potential misuse of general-purpose AI systems for malicious intents.

One of the highlighted risks is the development of AI models capable of generating hazardous substances beyond the expertise of human experts. While these advancements have potential benefits in medicine, there is also a concern about their misuse.

Although AI systems have become more adept at identifying software vulnerabilities independently, the report emphasizes the need for caution in the face of escalating cyber threats orchestrated by hackers.

Additionally, the report discusses the risks associated with AI technologies like Deep Fake, which can be exploited for fraudulent activities, including financial scams, misinformation, and creating explicit content.

Furthermore, the report flags the vulnerability of closed-source AI models to security breaches, highlighting the potential for malicious use if not regulated effectively.

In light of recent advancements like the O3 model by OPENAI, Bengio underscores the need for a thorough risk assessment to comprehend the evolving landscape of AI capabilities and associated risks.

While AI innovations hold promise for transforming various industries, there is a looming concern about their potential misuse, particularly by malicious actors seeking to exploit autonomous AI for nefarious purposes.

It is essential to address these risks proactively to mitigate the threats posed by AI developments and ensure that the technology is harnessed for beneficial purposes.

As society navigates the uncertainties surrounding AI advancements, there is a collective responsibility to shape the future trajectory of this transformative technology.

Source: www.theguardian.com

Advancements in Research Shed Light on Habitability of Oceanic Worlds in Our Solar System and Beyond

In a new paper, planetary researchers from Texas A&M University and the University of Washington introduce a new thermodynamic concept called centotectics to investigate the stability of liquids under extreme conditions. This is important information for determining the habitability of icy moons and oceanic exoplanets.

Europa's surface stands out in this newly reprocessed color view. Image scale is 1.6 km per pixel. North of Europe is on the right. Image credit: NASA / JPL-Caltech / SETI Institute.

Exploration of icy ocean worlds represents a new frontier in planetary science, with a focus on understanding the potential of these environments to support life.

New research is addressing fundamental questions in this field. Under what conditions can liquid water remain stable on these distant frozen bodies?

The authors provide an important framework for interpreting data from planetary exploration activities by defining and measuring the cenotect, the absolute minimum temperature at which a liquid remains stable under various pressures and concentrations.

This research combines their expertise in cryobiology with their expertise in planetary science and high-pressure water ice systems.

Together, they developed a framework that bridges the disciplines to tackle one of the most fascinating challenges in planetary science.

2016 artist concept for the European Clipper spacecraft. As spacecraft development progresses, the design changes. Image credit: NASA/JPL-Caltech.

“The launch of NASA's Europa Clipper, the largest planetary exploration mission ever launched, ushered us into a decades-long era of exploration of the frigid ocean world,” said Dr. Baptiste Journeau, a planetary scientist at the University of Washington. It's coming in,” he said.

“Measurements from this and other missions will tell us the depth of the ocean and its composition.”

“Laboratory measurements of liquid stability, particularly the lowest possible temperature (a newly defined cenotect), combined with the mission results will help us determine how habitable the solar system's cold, deep oceans are, and how likely they will ultimately be. It will be possible to completely constrain what the temperature will be.''The fate would be when the moon or planet cools down completely. ”

“The study of icy worlds is a particular priority for both NASA and ESA, as evidenced by the spate of recent and upcoming spacecraft launches,” said Dr. Matt Powell-Palm, a planetary scientist at Texas A&M University. Ta.

“We hope to help Texas A&M provide intellectual leadership in this area.”

of paper Published in the Journal on December 18, 2024 nature communications.

_____

A. Zaris others. 2024. On the equilibrium limit of liquid stability in pressurized water systems. nut community15;doi: 10.1038/s41467-024-54625-z

Source: www.sci.news

The upcoming advancements of 3D cell culture in biomedical research

For more than a century, scientists have studied how cells grow and develop to aid medical research and drug development. They grow plant and animal cells in laboratory equipment such as Petri dishes, glass plates, and various media, producing collections of newly grown cells called “cells.” cell culture. Scientists carefully maintain cell cultures for research, providing the cells with the nutrients and environmental conditions they need to survive and reproduce. By studying them, researchers have advanced the scientific community’s understanding of cellular life and developed new drugs and vaccines against diseases such as cancer.

Currently, scientists grow most cell cultures in dishes or flasks. 2D culture. Two-dimensional or 2D cell culture confines cells to an unnatural flat space, limiting their growth and range of movement. These obstacles lead to less than optimal precision in 2D cell culture experiments, so scientists have invented new three-dimensional approaches to address these limitations.

This new approach consists of growing cells in three-dimensional systems such as spherical plates, gel-like materials that provide structural and biochemical support. hydrogelor specialized equipment that creates a controlled environment to regulate the delivery of nutrients. bioreactor. These systems allow cells to grow in all directions, just as they do in nature and in the human body. Scientists call these devices: three dimensional or 3D cell culture. 3D cell culture provides a more realistic environment in which cells can migrate, interact, mature, and organize into complex structures that resemble organ tissues.

The team of scientists wanted to assess the current state of 3D cell culture technology and how it is being adopted in the field of microbiology. Researchers have discovered that scientists are effectively using 3D cell cultures to develop vaccines, model tumors, and develop patient-specific cancer treatments. They explained that 3D cell culture is superior to 2D cell culture in these areas because artificially flat conditions limit the amount of cell growth. This limitation allows drugs and treatments aimed at killing cells or slowing their growth to appear to work, when in fact the cells are simply responding to the shape of their environment. This may create an illusion.

As part of their evaluation, the research team found that cells growing in all directions interact with their environment in ways that better mimic human tissues, forming structures like clusters of epithelial cells or the invasive patterns of cancer cells. I also discovered that. They explained that this realism will improve the accuracy of treatments, drug tests, and vaccine tests by more effectively replicating how treatments target cells and tissues in the body. . Although 3D cultures address many of the limitations of 2D systems, such as mechanical and biochemical relevance, they still face challenges such as reproducing the complexity of immune interactions.

One of the central problems with 3D cell culture that researchers have identified is that some researchers find it prohibitively expensive. Constructing a 3D cell culture can be 2 to 10 times more expensive than a 2D cell culture. Additionally, scientists have a hard time creating and maintaining them because they are very complex in design and require specialized equipment to maintain.

The researchers say these factors made adopting these practices a lengthy process for biomedical researchers. The researchers predicted that slow adoption could cause problems in the future, as researchers pioneering these unusual techniques may have trouble finding qualified reviewers to evaluate their experiments. . You will also have fewer colleagues qualified to reproduce your results.

Scientists concluded that 3D cell culture provides a more accurate model for drug testing, cancer research, and tissue engineering. Therefore, it could reduce researchers’ reliance on animal models, streamline drug development, and potentially lead to safer and more effective treatments. However, despite the many advantages of 3D cell culture, challenges such as high cost, technical complexity, and need for standardization continue to hinder its widespread adoption. The team’s proposed solution is to make 3D machining more accessible and improve overall efficiency. They also suggested that future researchers continue to use 3D cell cultures to push the boundaries of medicine by exploring applications in regenerative medicine and personalized cancer treatments.


Post views: 267

Source: sciworthy.com

Alan Turing Institute in the UK commences consultation on potential lay offs due to AI advancements

The National Institute for Artificial Intelligence and Data Science in Britain has initiated a consultation process that may result in the redundancy of 440 employees.

In a memo sent to staff this month, the Alan Turing Institute announced an update on its new strategy, which involves focusing on a smaller number of projects.

Addressed to “affected employees,” the letter mentioned that government-backed labs might have to reduce their workforce. Unofficial estimates suggest that the memo could have been sent to about 140 individuals.

The institute collaborates with universities, private companies, and government agencies on 111 active projects. An internal document states that they will need to scale back their involvement in some projects.

Last year, the institute introduced a new strategy called “Turing 2.0,” with a focus on health, environment, defense, and security. However, due to lower core funding, they are considering restructuring and potentially closing certain projects.

The institute is evaluating which projects align with their new strategy and could lead to staff reductions. They aim to minimize layoffs and will involve employee representatives in the decision-making process.

Dr. Jean Innes, the institute’s CEO, mentioned that they are entering a new ambitious phase to address societal challenges using technology.

Named after the renowned mathematician, the institute was initially focused on data science before including AI in its mission in 2017. Its objectives include conducting top-notch research to tackle global issues and fostering informed discussions about AI.

With upcoming government announcements on technology, the institute is gearing up for potential changes. This includes launching an “AI Action Plan” led by Technology Entrepreneur Matt Clifford, focusing on economic growth and public service enhancement.

Additionally, there are plans to establish a legally binding AI model testing agreement with tech companies, separate the UK AI Safety Institute from the Turing Institute, and introduce a consultation on the proposed AI bill.

Source: www.theguardian.com

Musicians such as Billie Eilish, Nicki Minaj, Stevie Wonder call for safeguarding against AI advancements

More than 200 prominent musicians have joined in signing an open letter to advocate for protections against the predatory use of artificial intelligence to mimic human artists’ likeness, voice, and sound. The signatories come from various musical genres and eras, including popular stars like Billie Eilish, J Balvin, and Nicki Minaj, as well as icons like Stevie Wonder and REM from the Rock and Roll Hall of Fame. The estates of Frank Sinatra and Bob Marley have also signed the letter.

The letter was published by Artist Rights Alliance. Advocacy groups have urged technology companies to commit to not developing AI tools that undermine or replace human songwriters and artists.


The letter emphasizes the need to protect human creativity from being exploited by AI, stating, “We need to stop the predation of AI to steal the voices and likenesses of professional artists, violate the rights of creators, and disrupt the music ecosystem.”

While the letter does not advocate for a complete ban on AI in music and production, it acknowledges that responsible use of the technology can benefit the industry. Music producers have been utilizing AI tools in various ways, including isolating vocals from old demo tracks, as seen in a project creating a new Beatles song from John Lennon’s vocals.

The Artist Rights Alliance’s letter is part of a larger industry-wide response to the ethical and legal implications of generative AI technologies, especially in relation to copyright infringement and workers’ rights. Artist unions, advocacy groups, and studios are actively working to regulate the use of AI in music and production.

Concerns have been raised about AI being used to create songs, scripts, images, and videos, including deepfake pornographic content of artists like Taylor Swift. Lawmakers are introducing legislation to address the misuse of AI, with recent laws criminalizing non-consensual AI creations of sexual images. Companies using artists’ work to train AI models without permission are also under scrutiny.

In response, Tennessee enacted the Portrait, Voice, and Image Security Act, known as the “Elvis Act”, to protect musicians from unauthorized use of AI-generated vocal likenesses for commercial purposes. The debate extends to posthumous use of artists’ likenesses, as AI tools are capable of creating realistic representations based on old footage.

As AI tools become more ubiquitous, musicians are taking a stand on acceptable uses of artificial intelligence. Some artists see generative AI as a tool for experimentation, while others express concerns about imitations of their musical styles.

The Artist Rights Alliance, led by music industry veterans like director Roseanne Cash, has garnered support from a wide range of artists, including country stars, rappers, and indie pop musicians. Estate organizations representing deceased artists have also signed the letter, reflecting the ongoing debate in the entertainment industry about posthumous use of artists’ likenesses through AI.

The intersection of AI and music continues to raise complex ethical and legal questions, with artists and industry stakeholders advocating for responsible use of technology to protect artistic integrity and creativity.

Source: www.theguardian.com

Top 10 Groundbreaking Medical Advancements: Pure Moments of Eureka captured in Photos

The history of science is filled with moments of discovery, those “Eureka” moments when a theory is proven or a breakthrough is achieved. The latest image competition at Great Ormond Street Hospital, titled ‘A Moment of Discovery’, celebrates these breakthroughs.

Staff from Great Ormond Street Children’s Hospital NHS Foundation Trust (GOSH) and its partners have submitted images capturing significant milestones in research. The public voted on the three most popular images shortlisted by a panel of experts via social media.

The shortlisted images range from colorful micrographs to cartoon illustrations, offering a glimpse into the research conducted at GOSH. It is hoped that this research will lead to new treatments for rare and complex conditions, transforming the lives of children and young people with serious illnesses.

The winning image, taken by PhD student Giada Benedetti at the Zayed Pediatric Rare Disease Research Center (ZCR), shows exploding intestinal organoids revealing their inner workings.

Organoids are small three-dimensional tissue cultures derived from stem cells that can mimic different organs like the heart and liver in the human body.

In honor of Rare Disease Day on February 29, all winning and shortlisted images will be displayed at an event at the Zayed Pediatric Rare Disease Research Center.

Selected as a finalist – my lungs are on fire

These lung “mini-organs,” or organoids, were grown from stem cells to replicate the complexity of lungs. The image showcases cell nuclei in blue, cell membranes in red, and moving hair-like structures called cilia in yellow/orange. Photo courtesy of Giuseppe Cala at GOSH.

Shortlist – Active Glial Cells

The image showcases nerve helper cells, known as glial cells, with long fibrous structures that transport nutrients and oxygen to surrounding nerve cells. Photo courtesy of Lucien Bonfante at GOSH.

Finalist – Light of Life

The image shows the spinal cord of a zebrafish embryo with different neurons generated through asymmetric division. Photo courtesy of Atachapon Theppichaiyanond at GOSH.

Source: www.sciencefocus.com

Insight into historical scientific advancements provided by antique clocks

Shimei medium with a print of the coronation of Louis XIV

National Palace Museum

These gorgeous antique clocks not only represent time, but also a window into an era of cutting-edge scientific innovation.

Each of these works, dating from 1662 to 1795, is part of a new exhibition. Zimingzhong: The Clockwork Treasure of China's Forbidden City At the Science Museum in London. It “explores how we measure time and the technical expertise, creativity and international trade behind centuries-old clocks,” said curator Jane Desborough. states.

Zimeichu in the shape of an artificial flower pot

National Palace Museum

called Ziming Middle School This bell, which means “self-ringing bell” in Mandarin, was brought to China by European missionaries during the Qing Dynasty and was prized by the Chinese emperor, who collected hundreds of them and built them in the Forbidden City in Beijing to emphasize his imperial status. It was exhibited in the palace. And a luxurious taste.

Zimingzhong celestial globe and original case included

National Palace Museum

Many of the things that made Ziming Middle School The technology incorporated into the intricate case was so prestigious that hundreds of skilled craftsmen were required to produce just one watch. Some of the complex devices still used in some clocks may have been used to time the duration of celestial events.

European style Shimeichu

National Palace Museum

The main image is Ziming Middle School It depicts the coronation of King Louis XIV of France, with other images depicted in smaller images (taken from below the main image): penjing (“Potted Landscape”) Delicate artificial flowers. A small celestial observation device that displays the movement of stars and planets around the Earth. There is also a print by 18th century painter Joshua Reynolds (pictured above). The exhibition will run until June 2nd.

topic:

Source: www.newscientist.com

The merger of quantum biology and AI fueled genome editing advancements

Scientists at Oak Ridge National Laboratory have utilized quantum biology and explainable artificial intelligence to advance CRISPR Cas9 technology for genome editing in microorganisms. This breakthrough has enabled more precise genetic modification of microorganisms, opening up possibilities for the production of renewable fuels and chemicals. The research at Oak Ridge National Laboratory has significantly improved the efficiency of CRISPR Cas9 genome editing in microorganisms and contributed to renewable energy development.

CRISPR is a powerful tool for bioengineering, used to modify the genetic code to improve the performance of organisms or correct mutations. ORNL scientists developed a method to improve the accuracy of the CRISPR Cas9 gene editing tool used to modify microorganisms for the production of renewable fuels and chemicals. They have leveraged their expertise in quantum biology, artificial intelligence, and synthetic biology to achieve this.

To improve the modeling and design of guide RNAs, ORNL scientists sought to better understand what is happening at the most fundamental level in the cell nucleus, where genetic material is stored. They turned to quantum biology to study how electronic structure affects the chemical properties and interactions of nucleotides, such as DNA and RNA.

Furthermore, scientists at ORNL have built an explainable artificial intelligence model called iterated random forest, which has been used to train the model on a dataset of about 50,000 guide RNAs targeting the genome of Escherichia coli. This model has provided important features regarding the nucleotides that allow for better selection of guide RNAs.

Improving the CRISPR Cas9 model provides scientists with a high-throughput pipeline for linking genotype to phenotype in functional genomics. This research will impact efforts at the ORNL-led Center for Bioenergy Innovation (CBI), such as improving bioenergy feedstock plants and bacterial fermentation of biomass.

The results of this research significantly improve the prediction of guide RNAs. This represents an exciting advance toward understanding how avoid ‘mistakes’ and improving the ability to use CRISPR tools to predictively modify the DNA of more organisms. The study was funded by SEED SFA and CBI, part of the DOE Office of Science’s Biological and Environmental Research Program, ORNL’s Laboratory-Directed Research and Development Program, and OLCF and Compute’s High Performance Computing Resources and Data Environment for Science, both supported by the Office of Science.

Source: scitechdaily.com