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Monthly Archives: March 2022
FluidFM – Where Nanofluidics and AFM Meet – AZoNano
Posted: March 18, 2022 at 8:06 pm
Fluidic force microscopy (FluidFM) combines atomic force microscopy (AFM) with micro-channeled probes connected to a pressure controller that enables force-sensitive nanopipette experiments under aqueous conditions.
Image Credit:FabrikaSimf/Shutterstock.com
FluidFM offers unique advantages in simultaneous three-dimensional manipulation and mechanical measurements of a wide range of materials at the micro- and nanoscale, including biological specimens, semiconductors, polymers, and colloidal nanoparticles.
AFM is a widely used characterization technique in material science, electronics, biomedical research, and many other research fields. Since its invention in 1986 by Gerd Binnig, Calvin Quate, and Christoph Gerber, the AFM technique has undergone many improvements and became a widely-used surface imaging tool.
The technique evolved from scanning tunneling microscopy (STM), which is restricted to the characterization of electrically conductive materials only. In contrast, AFM allows obtaining atomic-resolved images of a wide variety of materials by scanning an ultra-sharp probe attached to a flexible cantilever over the sample surface.
The deflection of the cantilever is monitored by a laser beam reflected from the cantilever surface, thus enabling quantification of the variation of the interaction forces between the probe and the sample surface.
A topographic image of the sample surface with a sub-nanometer resolution is acquired by correlating the cantilever deflection versus the position of the scanning probe over the sample. At the same time, the technique allows obtaining quantitative information about the sample's mechanical properties.
After becoming a surface-imaging tool of choice for semiconductors and materials science, AFM has increasingly been used in biological research for the characterization of cell organelles, quantification of protein-protein and DNA-protein interactions, cell adhesion forces, and electromechanical properties of live cells.
Owing to its compatibility with aqueous environments, AFM is considered one of the best non-invasive methods for studying biological samples in real-time under physiological conditions.
Over the past three decades, the AFM technique has undergone many improvements that broadened the scope of its application, including nanoscale lithography, along with electrical and magnetic characterization of specimens. One such advancement is the FluidFM, which combines conventional AFM with micro-channeled probes for local liquid dispensing via a nanofluidic circuit. The technology was initially developed in 2009 in the group of Prof. Tomaso Zambelli at the Swiss Federal Institute of Technology in Zrich (ETH Zrich, Switzerland) and later improved and commercialized by the spin-off company Cytosurge.
FluidFM technique relies on using a new type of cantilever with a hollow tip and integrated micro-channel in its interior, allowing to control femtoliter volumes of liquid with nanometer spatial precision and picoNewton force resolution. This approach enables isolation and injection of single cells, force-controlled patch clamping of live cells, and manipulation of micro- and nanoscale objects.
By positioning the FluidFM probe onto an individual cell and applying an underpressure in the fluidic channel, the cell can be tightly attached to the aperture of the probe's tip and picked up from the substrate. By reversing the pressure, the cell can be placed onto the desired spot.
With FluidFM-based single-cell manipulations, the researchers were able to transfer cells to targeted areas to study cell behavior or remove unwanted cells to facilitate the formation of cell colonies.
The ability to manipulate individual live cells proved crucial for single-cell force spectroscopy experiments (where cell-substrate or cell-cell interaction are characterized). In addition, the FluidFM technique enabled single-cell electrophysiology by simultaneously measuring the mechanical response of the cell and the ionic current recording in patch-clamp experiments.
Since its discovery and development as a gene-editing technology, CRISPR has revolutionized biomedical research by offering a versatile gene engineering tool suitable for a broad range of organisms and applications, such as curing genetic disease, creating drought-resistant crops, and de-extinction projects.
The method requires the precise delivery of multiple guide RNA molecules into the target cells, which is far from trivial when using traditional transfection methods (where cell viability might be hindered by stress and toxicity).
Cytosurge developed a highly-automated genetic manipulation solution called FluidFM OMNIUM that can gently and precisely deliver the necessary compounds directly into the nucleus of any cell. This ensures that all the reagents have the optimum stoichiometry to maximize efficiency and eliminate cell stress.
Compared to conventional cell line development strategies, where obtaining stable monoclonal cell lines requires 12 to 14 weeks, the FluidFM technique can pick and nano-inject, and clone a single cell in less than three weeks from the transfection until the clones have been characterized.
The FluidFM OMNIUM system enables researchers to target the nuclei of a few dozen individual cells by a simple point-and-click approach, leading to an automatic injection into the selected cells at a rate of around five cells per minute. In parallel with all the different guide RNAs and protein complexes, a fluorescent marker was co-injected in the treated cells to monitor the injection process and identify the treated cells.
After 24 hours, the targeted cells were found and isolated by using the FluidFM micropipette probe and transferred into an empty well to guarantee the monoclonality of the resulting cell line.
FluidFM technology also enables 3D printing of complex structures on a micrometer level, including difficult-to-print geometries such as overhangs. The Cytosurge team of specialists developed a proprietary micro 3D printing technology which, in 2019, was spun off into an independent company called Exaddon AG.
The latest generation of the company's CERES 3D printer combines positioning with nanometer accuracy, air pressure-driven liquid dispensing, electrochemical deposition, and optical force feedback. By employing the FluidFM nanopipette probes, the system deposits a metallic ion solution, which is then solidified via an electroplating process that takes place at room temperature.
The CERES micro 3D printer offers a printing volume of 200x200x200 m, while the optical force feedback loop measures the forces acting on the printing tip and allows real-time monitoring of the printing process and ensuring completion of each voxel until the complete object is constructed.
Such in-situ control of the printing process leads to high-quality metal microstructures that are immediately ready for use without the need for any post-processing.
Continue reading: Determining the Viscosity of Nanofluids: Techniques and Applications
Li, M., et al. (2022) FluidFM for single-cell biophysics. Nano Res. 15, 773786. Available at: https://doi.org/10.1007/s12274-021-3573-y
P. Monnier et al. (2021) FluidFM nano-injection overcomes delivery limitations of current CRISPR gene editing methods, accelerates cell line development cycles, and is poised to significantly broaden multiplexing capabilities. [Online] CRISPR Medicine News. Available at: https://crisprmedicinenews.com/news/fluidfm-nano-injection-overcomes-delivery-limitations-of-current-crispr-gene-editing-methods-accele (Accessed on 11 March 2022)
Saha, P., et al. (2020) Fundamentals and Applications of FluidFM Technology in Single-Cell Studies. Adv. Mater. Interfaces 7, 2001115. Available at: https://doi.org/10.1002/admi.202001115
C. Scott (2017) Cytosurge Develops Nanoscale FluidFM into Consumer-Friendly 3D Printing Process [Online] 3DPrint.com. Available at: https://3dprint.com/180243/cytosurge-eth-zurich-fluidfm (Accessed on 11 March 2022)
Meister, A., et al. (2009) FluidFM: Combining Atomic Force Microscopy and Nanofluidics in a Universal Liquid Delivery System for Single Cell Applications and Beyond. Nano Letters 9 (6), 2501-2507. Available at: https://doi.org/10.1021/nl901384x
Disclaimer: The views expressed here are those of the author expressed in their private capacity and do not necessarily represent the views of AZoM.com Limited T/A AZoNetwork the owner and operator of this website. This disclaimer forms part of the Terms and conditions of use of this website.
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FluidFM - Where Nanofluidics and AFM Meet - AZoNano
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Charoen Pokphand Foods Public : CP Foods reaffirms commitment on good animal welfare practices and prudent use of antimicrobials with BBFAW ranking -…
Posted: at 8:06 pm
CP Foods reaffirms commitment on good animal welfare practices and prudent use of antimicrobials with BBFAW ranking
The Business Benchmark of Farm Animal Welfare (BBFAW) has maintained Charoen Pokphand Foods PLC (CP Foods) in Tier 3 for the 2nd year in a row. The BBFAW also highlight the company's overarching policy, strong commitments towards animal welfare and involvement in industry initiatives.
BBFAW Report is an annual ranking of corporate report on animal welfare practices, policies, and management, assessing of 150 leading food producers and distributors across the world. Key criteria assessment included 1. Management Commitment and Policy 2. Governance and Management 3. Innovation and Leadership and 4. Performance Reporting and Impact.
Dr. Payungsak Somyanontanakul (D.V.M.), vice president and head of Animal Welfare Committee of CP Foods said that the company has been ranked at Tier 3 for 2 consecutive years, where animal welfare's policy with the score is above the sector's average in many aspects. The success is thanks to the company's overarching policy, covering important issues such as prudent use of antimicrobials in livestock and aquaculture businesses, and "Five-freedom"-based farming practice.
To ensure a good quality of life for the animal, CP Foods has made a full commitment against genetic engineering or cloning as well as having commitment on environmental enrichment. Also, Smart farms and automation have been used to improve the animal wellbeing and biosecurity measures.
The company is being praised for its contribution to industry initiatives such as taking a role as a member of the 3Ts-Alliance (Teeth, Tails and Testicles), organized by the World Animal Protection. The objective of the initiative is to reduce pain in swine in the global swine industry through gathering knowledge and experience from relevant experts around the world.
CP Foods is also progressing toward the group gestation pen. According to the latest data, around 43% and 15% of sow farms in Thailand and overseas respectively have already switched to group gestation pen respectively. The company commits 100% of the gestation sow farms are transitioning towards the group gestation pen with internationally recognized animal welfare practices by 2025 for Thailand operation and by 2028 for international operations.
Due to higher demand for high animal welfare products, the company targets to increase the production of cage-free eggs to 20 million this year, an increase of 4 million from the previous year.
Moreover, CP Foods is determined to produce safe and quality foods that adhere to sustainability principles through the responsible and prudent use of antibiotics in both its farms and those under the Contract Farming Scheme. Accordingly, the farming practices must be 1. Free from human-only antibiotics, 2. Free from shared-class antibiotics which are important in human medicine with the purpose of growth promotion, and 3. Free from hormones with the purpose of growth promotion.
CP Foods is committed to raising animal welfare practice in line with international standards, "Kitchen of the World" vision and CPF 2030 Sustainability in Action. Subsequently, the company emphasizes the farming process with animal welfare principles and applies farming technology to produce and deliver safe food to consumers around the world.
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Stage Set for Psychedelics Stock Boom: Here’s Where …
Posted: at 8:05 pm
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For the nascent psychedelics sector, 2021 was the year when foundations were established for a future that may hold impressive payoffs. It remains to be seen if those payoffs will materialize in 2022, or if theyll take a little longer, but signs appear positive for a potentially strong growth market, according to new report.
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The Defiance ETFs report notes that drivers for the growth include legislative changes toward psychedelics, investments rising for example, Peter Thiel backing the psychedelic start-up Atai Life Sciences as well as some clinical trials reporting positive results, and the rise in demand and acceptance of psychedelics-based treatments.
While theres a range of different predictions for the psychedelics market in the next few years, they share a positive trend. DataBridge predicts that the U.S. market for psychedelics will grow at a CAGR of 11.5% between 2021 and 2026, reaching $6.4 billion by 2028, while Research and Markets forecasts the global market to rise at 14.5% CAGR from $3.2 billion in 2021 to $6.3 billion in 2026, the report notes.
Its clear that analysts expect the market to grow dramatically, even if they disagree about the precise size of that growth, according to the report.
Sylvia Jablonski, CIO and co-founder of Defiance ETFs, told GOBankingRates that there are more than 2 billion people with untreated mental health disorders, and that number is growing.
Nearly 30% of mental health patients have not found a cure, or a treatment that worked for them in the realm of conventional therapies, and have often given up, Jablonski said. Billions of dollars have been spent fighting mental illness, but there hasnt been a cure that works for all patients. However, clinical research done by some of the most esteemed academic institutions and research groups like MAPS [Multidisciplinary Association for Psychedelic Studies] or Hopkins, to name a few, have proven that psychedelic-based medicines can revolutionize treatments, and provide potential cures to patients.
Read: How Much Will Pfizer and Moderna Be Worth by the End of 2022?
She explained that psychedelics essentially help the patient, guided by a medical professional, to a path where the brain rewires itself and allows for paradigm shifts which have led to lifelong disease control or even cure.
Investing in psychedelic firms now could be an opportunity to capture the beginning stages of what is looking to be on the path of a healthcare revolution, she said.
She added that these could be good value plays in the biotech/healthcare space, which is also a potential defensive play, like consumer staples, an improving or failing economy doesnt mean people wont get sick and need therapy, she added.
Some stocks to consider, she said, include Mind Medicine, which is focused on LSD and the psychedelic drug ibogaine, which targets depression, anxiety, attention deficit and addiction. The stock is also in the top psychedelic stocks recommended by the Motley Fool, which puts the companys valuation at $1 billion.
Compass Pathways is another stock to consider, Jablonski said, as it is well funded. The Motley Fool said the drugmaker is conducting the largest clinical trial in history of a psilocybin therapy with its phase 2 study evaluating COMP360 in treatment-resistant depression.
COMP360 is Compass Pathways only pipeline candidate right now. However, its one of the most advanced of all the psychedelic drugs in development, with the potential to move into late-stage clinical testing in 2021, according to The Motley Fool.
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In May 2021, Defiance ETFs launched the first US-listed psychedelics ETF, which is listed on the New York Stock Exchange under the ticker PSY, and tracks The BITA Medical in Psychedelics, Cannabis, and Ketamine Index, according to the funds prospectus.
Companies included in the index must have a minimum market capitalization of $75 million and operate in the production, distribution or services related to medical psychedelics, medical cannabis or other medicinal drugs and their derivatives.
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Yal Bizouati-Kennedy is a former full-time financial journalist and has written for several publications, including Dow Jones, The Financial Times Group, Bloomberg and Business Insider. She also worked as a vice president/senior content writer for major NYC-based financial companies, including New York Life and MSCI. Yal is now freelancing and most recently, she co-authored the book Blockchain for Medical Research: Accelerating Trust in Healthcare, with Dr. Sean Manion. (CRC Press, April 2020) She holds two masters degrees, including one in Journalism from New York University and one in Russian Studies from Universit Toulouse-Jean Jaurs, France.
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The Insights Psychedelics Give You Arent Always True
Posted: at 8:05 pm
In 1966, researchers at the International Foundation for Advanced Study in California gave mescaline to 27 men who were engineers, physicists, mathematicians, architects, furniture designers, and artists.
While on the drug, one came up with a new conceptual model of a photon particle; another envisioned a new approach to the design of a vibratory microtome, a lab instrument that cuts material into small slices; and an architect produced a design for a home that was later approved by his client. The mescaline seemed to help facilitate creative problem-solving, particularly in the illumination phase, the researchers wrote.
These kinds of stories are common in psychedelic folklore, leading to the belief that psychedelic compounds lead to Aha or eureka moments, and that answers can be revealed during a trip in one fell swoop. Besides understanding particle physics, people often feel like they receive knowledge about themselves or the nature of the universe.
In his 1902 book, The Varieties of Religious Experience, William James wrote that one feature of a mystical-type experience is this noetic quality, or a feeling of deep knowing. They are illuminations, revelations, full of significance and importance, all inarticulate though they remain; and as a rule they carry with them a curious sense of authority, he wrote.
But how can we tell if the insights received while under psychedelics are true? In a recent talk for the UCL Society for the Application of Psychedelics, Johns Hopkins cognitive neuropsychopharmacologist Manoj Doss said its likely that psychedelics can evoke illusory insights, or the feeling of a profound insight that is misattributed to ideas that arise during a psychedelic experience.
This too, James was familiar with. After inhaling a large amount of nitrous oxide, or laughing gas, James wrote furiously on the topic of Hegelian dialectics, a complex kind of philosophical argument. At the moment of transcribing, his thoughts were fused in the fire of infinite rationality, he wrote. But when he was sober again, his revelatory insights were incomprehensible. Meaningless drivel, James called them. He published an excerpt from his notebook in the journal Mind:
What's mistake but a kind of take?
What's nausea but a kind of -usea?
Sober, drunk, -unk, astonishment.
Everything can become the subject of criticism
How criticise without something to criticise?
Agreementdisagreement!!
Emotionmotion!!!!
By God, how that hurts! By God, how it doesn't hurt!
Understanding the nature, and veracity, of psychedelic insights will be crucial if these drugs are to be taken by more and more people, especially those who will seek them out to have insights that better their mental health and well-being.
Luckily, insights, or "Aha moments," have been studied by psychologists outside of psychedelic research for decades. Insights have been found to be unique cognitive phenomena that are often associated with correct solutions to problems, but within insight research, theres also been recent work on false insights: insights that feel real, but are objectively incorrect.
False insights can be induced in the lab through some simple tricks, and feelings of insight can spill over in how people regard other worldviews and factsmaking untrue facts or extreme beliefs seem more true, a subject highly relevant to psychedelics. The feeling of insight does not guarantee that an insight is correct. Certainly not all psychedelic insights will be false, but recognizing that they probably wont all be true either, despite how they feel, makes room for problematic insights to be tested, and not simply accepted as untouchable truth.
An Aha moment is the experience of suddenly believing you understand something, or suddenly solving a problem that you've previously been unable to solve. A classic example comes from the life of Archimedes, the Greek mathematician, physicist, and astronomer. Archimedes was asked to determine if a gold crown made for King Hieron II had been mixed with silver, rather than made with pure goldbut the king didnt want Archimedes to damage or melt down the crown while figuring it out.
Puzzling over how to do this, Archimedes took a bath. He noticed that the water splashed onto the floor when he got in, displaced by the volume of his body. In a flash of insight, he realized he could compare the crowns volume in water to another piece of gold or silver with the same mass, and compare the density.
A person doesnt need to come up with a brilliant solution, like Archimedes did, for an Aha moment to exist, said Jonathan Schooler, a psychologist at the University of California in Santa Barbara. What characterizes it is that abrupt feeling of truth.
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John Kounios, a professor of psychological and brain sciences at Drexel University and coauthor of The Eureka Factor, has shown through brain imaging and behavioral experiments that insights do seem to be the result of a real and distinct kind of emotional and cognitive process, not just a typical new idea with an emotional flourish tacked onto it.
There is also research showing that when an Aha moment accompanies a solution, it's more likely to be right, said Ruben Laukkonen, a postdoctoral fellow at The Vrije Universiteit Amsterdam. In studies using a task called the remote associates, people are given three words, and they have to come up with a corresponding fourth word. When people solve these problems, sometimes they have an Aha moment and a solution pops into their mind. Other times, they solve it through more slow and careful analysis. In these studies, if people had an Aha moment, they were more likely, on average, to have gotten the correct answer.
People may have learned that this Aha feeling is often associated with correct solutions throughout their lives, Kounios said. It might be why when people have an idea that feels like an Aha, and it's accompanied with a sense of profundity, theyre more likely to think those ideas are true. When we have Aha moments, we often treat its content as sacred. James Joyce wrote in Stephen Hero, his posthumously published autobiographical novel, that epiphanies must be recorded with extreme care, seeing that they themselves are the most delicate and evanescent of moments.
But even in those laboratory studies, Laukkonen said, false insights were lurking amongst the true ones. False insights were when people had the same feeling of sudden knowing, but what they knew wasnt correct. Researchers have mostly followed and tried to characterize true insights, but recent work has turned to examine these false insights.
In 2020, Laukkonen and colleagues gave people an anagram to solve, and then presented them with a fact that was either true or false. When people successfully unscrambled the letters in the anagram, and felt an Aha moment doing so, they were more likely to think that false facts were truemisattributing the Aha feeling from the anagram to whatever the fact was.
This worked for world views, too: people were more likely to endorse statements like free will is an illusion if they were given a key word, like illusion, in a scrambled format first. If we elicit a little insight experience, even using something as trivial as an anagram, that feeling that is elicited can color anything that's happening at that moment, Laukkonen said. The feeling of insight could essentially be moved around and put onto other things.
In another recent study from this year, Hilary Grimmer, a PhD candidate at The University of Queensland, Laukkonen, and others were able to elicit an Aha feeling in people who were objectively having a false insight.
People were given a list of words that all shared an association, like wheelbarrow, seedlings, glove, and soil. Then, they were given an anagram that looked like a word that would belong with that list, but actually didnt. For example, paired with the list of gardening words, they would be given the anagram for endanger, which shares a lot of letters with the word "gardener." People would solve the anagram as "gardener," and feel like they had an Aha moment even though their solution was incorrect.
These studies showed different kinds of false insights: In one, people who had a true Aha moment from solving an anagram misattributed that feeling to other, untrue, facts. In Grimmers study the Aha moment occurred around a solution that was objectively wrong. But both reveal how the feeling itself of the Aha moment isnt always paired with the truth.
"It seems like that feeling can just exist on its own," Grimmer said. "We can have the same feeling of insight, regardless of actual truth."
People on psychedelics wont be solving anagrams and responding to facts; their insights will be more complex, and so will the contexts around them. But knowing that the feeling of insightfulness can be elicited with false information, or moved around and applied to unrelated information, is essential when considering insights that come from psychedelics.
Doss thinks a number of factors could make psychedelic experiences a breeding ground for the feeling of false insight or knowing. Studies have found that in a psychedelic experience, words or concepts that wouldnt typically be associated can be relatable. While the people in Grimmers study were misled to think gardener based on the gardening words, this could mean that more tenuous associations could prime people to have false insights while in an altered state.
People can be set up to expect true insights, based on what they're told at the outset of a trip. When people are told under psychedelics that they will come up with certain insights, you're going to be more inclined to attribute the feeling of insight to the truthiness of ideas that you might come up with, Doss said. I think all these things kind of come together in a perfect storm to potentially create something that feels very real but doesn't necessarily have to be."
People might have different thresholds, even under sober conditions, for how much information they need to have an Aha moment. You might have 10 pieces of information in your head and if all 10 of them snap together, you have this coherent insight about something, Kounios said. But what if only nine of them snap together, or eight of them snap together?" Its possible that psychedelics could lower that threshold, Kounios said, to create Aha moments with less input.
Another important lesson from insight research is that some people may be more swayed by insights, and the positive feeling that comes with them. In 2020, Kounios and his colleagues used electroencephalography (EEG) to measure brain activity when people solved anagrams with Aha moments, finding that in the moment of insight, there was a sudden burst of high frequency brainwaves.
Some people in the study were high in a personality trait called reward sensitivity, a trait that is found in thrill seekers and others motivated by pleasure. In those people, there was another burst of brain activity a tenth of a second after the insight in the brains reward system, the same area that is engaged when people eat delicious food, take addictive drugs, or have orgasms. People who were not high in reward sensitivity didnt exhibit this. Kounios said it suggests that some people can have an insight without always having the feeling of pleasure or emotion alongside it.
Though the study didnt collect subjective reports, Kounios said that anecdotally, those who were high in reward sensitivity got really into the tests, and thought they were fun. People like having insights, Kounios said. Its why a lot of people like to do crossword puzzles, read murder mysteries, have creative hobbies, do researchthey get a thrill from Aha moments.
David Yaden, a postdoctoral fellow at Johns Hopkins who studies the subjective effects of psychedelics, thinks that its important to parse out the different kinds of Aha moments that different people may have while on psychedelics.
Not all insights can be tested, the way an anagram can be right or wrong. A person might have insights about the nature of reality or about their life, like realizing they should quit their job, or move to a different city; these kinds of insights will be hard to measure.
But there are others, like the predictions of events that may or may not happen, which could be tested. Creative insights could be judged by others for their novelty and usefulness. Simply put: before making the claim that psychedelics lead to more true insights across the board, that should be measured.
Psychedelic insights could also be assessed for an alignment with therapeutic goals or overall well-being. If a person has the insight that theyre not worthless, or that they are connected to others, that might align with the goal of improving depression symptoms.
These kinds of insights might not be falsifiable, but could be valuable to a person for their healing process, Laukkonen said. But in the cases when an insight feels real, but isnt helpful or true, the fact that the feeling is separate from the content can be useful, especially in responding to complex or traumatizing experiences, or pushing back on the guru effect, when people have insights that feel very authentic about their position over other people, or their reasons to cross ethical boundaries.
There's certain types of insights that I think that people need to be very cautious with, Doss said.
Not all psychedelic insights will be false, and many may be true insights, or just helpful, unfalsifiable ones. But knowing that the feeling of insight is able to be disentangled from the content of the insight itself is importantit paves the way for critical thinking and examination of an insight later on.
It can be difficult to question epiphanies that come with an Aha feeling, and they may be subjected less to ethical or critical analysis, Yaden said. Grimmer said that insight moments, under sober conditions, are more closely held onto. They have a memory advantage, people remember solutions that came with an Aha.
Some people suggest that once we've had an Aha moment, whether it's true or false, some amount of us will kind of always believe it because of that unique way with which it arrives in our consciousness, Grimmer said. They seem kind of sticky.
But all insights, true and false, should lead to more examination after the Aha momentwhether it occurs on psychedelics or not. It goes along with an idea that it's important to have epistemic humility, Yaden said, meaning we should be humble about our knowledge and what we think we know. The noetic quality doesn't excuse not having epistemic humility.
And checking an insight doesn't diminish the value of Aha moments. It just means that like any other thing that people do, it can be wrong, Kounios said. Ive always told my kids in school: when you do a math problem, check your results. The same logic should be applied to insights. If you have an Aha moment, check it. What do you have to lose?
Schooler agreed that insights should be revisited later on. When Archimedes had his idea, he still had to put the crown in water and see if he could actually calculate it, he said. It's important not to just stop at the epiphany phase.
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SXSW stage is a collision of weed, metaverse, NFTs, acid and saving the planet – PitchBook News & Analysis
Posted: at 8:05 pm
When South by Southwest held its debut festival, it was a four-day music showcase of 177 artists playing 15 venues. Thirty-five years later, it reaches way beyond music and plays out over 10 days citywide on scores of stages where it gives a preview of a future that will be funded by venture capital.
SXSW this weekend is wrapping up the 2022 edition of what has exploded into a mega-event known globally for its futuristic exploration of art, media, technology, sports, wellness, politics and activism.
A launch pad for ideas, brands and personalities that later become household names, SXSW each year draws tens of thousands of people to Austin seeking forward-thinking solutions and novel approaches to big problems.
Which is to say that the event has secured its place as a vital part of the venture capital ecosystem and its ever-optimistic quest to create the future of everything. And this year's installment has been no exception, featuring experts delving into some of Silicon Valley's biggest passion projects, from crypto and climate science to the metaverse and psychedelic drugs.
The return of SXSW following a pandemic hiatus also comes at a time when the city of Austinthanks in part to the festival itselfstars in another drama that hits home for the VC ecosystem: The rise of hot new metropolises winning over tech and other corporate leaders seeking locales that are more accommodating of their business and personal ambitions.
Conference visitors who were trying to plan out time slots in the packed schedule could be forgiven for feeling that they had to choose between equally buzzy but competing sessions: one could be about saving the world from climate change, the other about saving musicians' profits through shrewd use of NFTs and decentralized platforms.
It's a boom time in so-called Web3 innovations that empower musicians and other artists to claim economic control of their brand and intellectual property outside dominant channels owned by publishers and companies like Spotify.
Non-fungible tokens, or NFTs, created by artists are grabbing much of the spotlight, especially at music-crazy SXSW. The blockchain-based tokens can certify ownership and authenticity of digital creative assets and even physical ones (like an artist's branded merchandise). Musicians are tapping into them for a sizable revenue stream of royalty payments for sales of their branded work on secondary markets.
Kelsey Byrne, the singer-songwriter also known as Vrit, is one of them. Byrne educated herself on tokens during her own pandemic isolation and emerged with a rising name in music but also a knack for using NFTs to make a sustainable living as an indie singer. "The whole point of this is to work outside the system," she said on a panel.
Another panelist told of several artists with small followings who've been able to rack up meaningful revenue. "You can have less fans but make more money," said Sam Hysell, co-founder of digital media company NFT Now. The model is taking off. In December, investors valued NFT marketplace OpenSea at over $13 billion in a $300 million VC funding round.
Take weed. Organizers programmed at least 20 panel discussions or featured speakers on the topic as seen through issues including racial equity, regulation, consumer products, social change and international markets.
Investment in VC-backed cannabis companies retreated to $2.8 billion last year from its high point of $3.6 billion in 2019, according to PitchBook data. Investors are taking aim at the world cannabis market estimated to be worth more than $32 billion last year, mostly concentrated in North America. But opportunity for weed businesses in other world regions looms large, with 50 countries (not counting the US) having created legal cannabis markets on a national level, according to Prohibition Partners, a UK-based cannabis research firm.
"I think that provides an amazing opportunity, but it also leaves a question mark as to when the US will join the ranks," said Stephen Murphy, managing director of Prohibition Partners, who moderated a panel looking at the global pot business.
Another dozen or so other talks focused on the future (and present) of psychedelics: Psychedelics in wellness. As a market opportunity. In public policy. In tourism. Even in Judaism.
One of the best-attended panel discussions this year focused on the prospects for psychedelics to treat severe depression, PTSD and behavioral disorders. Such therapies remain on the fringes of Western medicine. But authoritative research is gaining traction, of course with Silicon Valley VC funding, among companies such as therapeutics specialist Atai Life Sciences, which is backed by Peter Thiel and recently got federal approval to do a clinical trial of a non-psychedelic form of ketamine intended for use as an antidepressant.
Another high-profile adherent is the influential entrepreneur Tim Ferriss, who took to the SXSW stage with a group of eminent psychologists to share intimate details of his experimentation with ketamine in his own battle (with "life-changing" effectiveness, by his own account) against chronic depression.
Outside the meeting hall, a passerby's T-shirt read, "Make Acid Great Again."
Regardless of how seriously you view the use of psychedelics in medicine, it's clear watching Ferriss speak that he has done his homework on the research and can hold his own delving into the scientific minutiae alongside some of the field's top experts.
Ferriss and his co-panelists like Roland Griffiths, a Johns Hopkins University pharmacology professor, said they see much promise in clinically supervised treatments through altered states of consciousness, but they also plainly acknowledged that modern medicine is in its infancy of truly understanding psychedelics.
To Pico Velasquez, a designer whose work has straddled physical and virtual dimensions, the power of the metaverse is to capture "beautiful intricacies of this world." But she also maintained it's not just about games or entertainment.
"Instead," she told one session, "it's an evolution of our lives, the future of work, the future of culture. The future of absolutely everything is going to get transported into this new space."
Some efforts to demonstrate the idea didn't quite land. At a late-night party thrown by Blockchain Creative Labs, an NFT-focused startup studio backed by Fox Entertainment, guests were invited into a pop-up exhibition that was meant to evoke the dazzling imagery associated with highly stylized digital environments. It was basically a flashy electronic installation on the walls.
At a demo kiosk for Qualcomm-owned chip designer Snapdragon, visitors could create their own digital avatars having their likeness scanned using face- and body-recognition software. My avatar, showing a fully bald man, was totally unrecognizable, but it did at least allow me to show I had a receding hairline of my own, using any color of my choosing.
Featured image of the Blockchain Creative Labs exhibit by Alexander Davis/PitchBook News
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Jaden Smith Recalls His Experience With Psychedelic Mushrooms: Everything Just Becomes So Beautiful – Koimoi
Posted: at 8:05 pm
Jaden Smith Recalls His Experience With Psychedelic Mushrooms (Photo Credit: Instagram)
Actor Jaden Smith thought everything was so beautiful when he took psychedelic mushrooms in a park with his friends.
Smith said: I was with people who I really loved dearly. We go to a park, which was the best decision that we could have ever made. Everything just becomes so beautiful.
We look at the sky and everybody starts feeling like they want to cry, but no one says anything. We were running in the park. Were sprinting. Were talking fast. We decided to hug a tree and felt like we actually went inside of the tree, Jaden Smith said.
He added, I saw the inner workings of the tree and it looked like a rainbow. I could tell in that moment that trees were alive, but more alive than anyone could ever think. As alive as humans are.
The Karate Kid actors experience with psychedelics has influenced his latest clothing collection, Trippy Summer, and he explained how the collection has taken advantage of what happens when people are in an altered state, reports femalefirst.co.uk.
Jaden Smith told Mr Porter journal: I believe that mushrooms are going to help us expand consciousness. The collection is not just clothes to sell.
Its loaded with spiritual experiences and mystical states. Were just making clothes that can go along with peoples journeys.
When youre in that sensitive space, the wrong shirt can ruin things. Whether the shirt says, Oh, f*** you, you f****** f***, or, Go to hell and die, it might scare somebody Were taking advantage of the certain visual cues that happen when youre on mushrooms. Things slightly move, Jaden Smith said.
He then concluded by saying, If you give something the feeling of motion, when youre on mushrooms and you look at it, your brain will finish the work and put it in motion so that youre like, Holy f***! His pants are moving.
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Google’s Android app will finally let you delete the last 15 minutes of your search history – The Verge
Posted: at 8:04 pm
Google appears to be finally bringing the ability to delete the last 15 minutes of your search history to its Android app. Former XDA Developers editor-in-chief Mishaal Rahman said he was tipped about the feature seemingly rolling out, and a Verge editor has spotted the feature on their phone. Weve asked Google if it can share any details about the rollout, but to check and see if you have it, open Googles Android app, tap your profile picture, and look for the Delete last 15 min option.
This feature has taken some time to make its way to the Android app. Google first announced the feature at Google I/O in May, and it came to Googles iOS app in July. At that time, Google said it would arrive on the Android version of the app later in 2021, but for some reason, the company seemingly missed that deadline. Its unclear if Google plans to bring the feature to desktop in its May announcement post, the company didnt specify which platforms it would be available on, and in July, Google only said that the feature was coming to the iOS and Android apps. Google didnt immediately reply to a request for comment.
Google also offers a tool to automatically delete things in your search history that are three, 18, or 36 months old.
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Google Search Results and Synonyms – Search Engine Journal
Posted: at 8:04 pm
John Mueller answered a question about why a site that ranked for one keyword phrase didnt rank for what they said was a synonym for the same phrase. John answered the question in general terms, explaining how whats important is the full context of the search query.
Before Google Hummingbird Google generally ranked sites by matching keywords in the search query to keywords in a web page.
After the Google Hummingbird update Google swapped out some important words in the query with synonyms without actually changing the meaning of the search query. The advantage of doing that was that now Google could find even more web pages to rank, some of which were even better than pages with the exact keyword match.
This technique is called Query Expansion.
Today Google does more than query expansion in order to rank web pages and as Muellers answer shows, some of that is generally focused on what users mean when they use a search query in order to understand the full context of the search query.
The person asking the question was confused because they expected a page that ranked for one keyword phrase to rank for a synonym version of that phrase. But it didnt rank for that alternate phrase and they wanted to know why.
Here is the question that was asked:
Why might there be tiny differences in synonyms or such terms that make such a big difference in ranking position?
The person asking the question gave the example of a page that ranked for the keyword phrase, edit video but didnt rank the query video editor.
The phrase edit video could be about one thing and video editor can be about something else and thats how John answered the question.
However, Googles actual search results treats both keywords relatively the same and shows results for video editors, only some sites that rank in one search results dont rank in the other, while some sites rank in both.
The difference in the above specific phrases are explained by the fact that edit video is not a straight one to one synonym for video editor even though Google shows somewhat similar results.
The reason they are different is because edit video is vague and theres a how to component inherent in the search phrase (edit video) that may be skewing the search results in favor of certain sites that rank for that phrase.
For example, the top result for the vague phrase has a seven step how-to in the web page and the People Also Ask (PAA) feature shows how can I search queries as being similar, whereas the search results for the other phrase does not have that same quality in the PAA feature.
Even though John didnt address the above specific nuance, his answer is still 100% correct and applicable to the specific even though he was answering the question in general terms.
John Mueller answered:
So from our point of view, that can be completely normal and thats something where on the one hand, we do try to understand things like synonyms in a query.
But we also try to look at the full context of the query.
And especially when it comes to synonyms, we might assume that something is mostly a synonym, but that doesnt mean that its completely a synonym.
John brings up an important point about synonyms and search phrases.
Because of the full context of a search query, it may mean that substituting a word for its synonym wont work because the substitution will change the meaning of the search query.
John Mueller next expands the idea of search query context to consider what a user may mean when they use a search query and how that may affect whether its appropriate to expand the search query with a synonym.
John explains:
And especially when youre looking at something like edit video versus video editor, the expectations from the user side are a little bit different.
On the one hand you want to edit a video. On the other hand you might want to download a video editor.
And it seems very similar but the things that the users want there are slightly different.
So from my point of view, that kind of of makes sense that we would show different rankings there.
And we have the same with things like slightly different spellings of words, like if you have the British or the American version of an English word; if you have a word or letter with an accent and it doesnt have an accent, we understand that these are mostly the same.
But we also understand that theyre slightly different.
And we try to show search results that kind of take that into account.
Johns advice is great for keyword research too.
The common approach is to choose the keywords with the most traffic and write articles about those keywords even though the site isnt exactly about those keywords. So theres a mismatch between the keywords in the title tag and in the heading elements.
Watch the video at the 39.:35 Minute Mark
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Russia tells Google to stop spreading threats against Russians on YouTube – Reuters
Posted: at 8:04 pm
Youtube logo is placed on a Russian flag in this illustration picture taken February 26, 2022. REUTERS/Dado Ruvic/Illustration
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March 18 (Reuters) - Russia on Friday demanded that Alphabet Inc's (GOOGL.O) Google stop spreading what it called threats against Russian citizens on its YouTube video-sharing platform, a move that could presage an outright block of the service on Russian territory.
The regulator, Roskomnadzor, said adverts on the platform were calling for the communications systems of Russia and Belarus' railway networks to be suspended and that their dissemination was evidence of the U.S. company's anti-Russian position. It did not say which accounts were publishing the adverts.
"The actions of YouTube's administration are of a terrorist nature and threaten the life and health of Russian citizens," the regulator said.
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"Roskomnadzor categorically opposes such advertising campaigns and demands that Google stop broadcasting anti-Russia videos as soon as possible."
Google removed an advertisement that was flagged by the Russian government, according to a source familiar with the matter who declined to describe it.
The dispute was the latest in a series between Moscow and foreign tech firms over Ukraine.
YouTube, which has blocked Russian state-funded media globally, is under heavy pressure from Russia's communications regulator and politicians.
Outraged that Meta Platforms (FB.O) was allowing social media users in Ukraine to post messages such as "Death to the Russian invaders", Moscow blocked Instagram this week, having already stopped access to Facebook because of what it said were restrictions by the platform on Russian media. read more
Russian news media including RIA and Sputnik quoted an unnamed source as saying YouTube could be blocked next week or as early as Friday.
DOMESTIC ALTERNATIVES
Former Russian President Dmitry Medvedev on Friday wrote a fierce criticism of foreign social media firms, mentioning by name both Meta and YouTube, but he hinted that the door leading to their possible return to the Russian market would be left ajar.
"The 'guardians' of free speech have in all seriousness allowed users of their social media to wish death upon the Russian military," Medvedev, who served as president from 2008 to 2012 and is now deputy secretary of Russia's Security Council, wrote on the messaging app Telegram.
Medvedev said Russia has the necessary tools and experience to develop its own social media, saying the "one-way game" of Western firms controlling information flows could not continue.
"In order to return, they will have to prove their independence and good attitude to Russia and its citizens," he wrote. "However, it is not a fact that they will be able to dip their toes in the same water twice."
VKontakte, Russia's answer to Facebook, has been breaking records for activity on its platform since Russia sent troops into Ukraine on Feb. 24.
The site attracted 300,000 new users in the two weeks after Russia began what it calls a "special operation" to demilitarise and "de-Nazify" its neighbour.
On the day Instagram was blocked in Russia, VKontakte said its daily domestic audience grew by 8.7% to more than 50 million people, a new record.
Anton Gorelkin, a member of Russia's State Duma committee on information and communications, pointed Russians to services that would help them move videos from YouTube to the domestic equivalent, RuTube.
"It's not that I'm calling for everyone to immediately leave YouTube," he said on his Telegram channel. "But, probably, in light of recent events it is worth following the principle of not keeping all your eggs in one basket."
He said earlier this week that YouTube may face the same fate as Instagram if it continues "to act as a weapon in the information war".
Russian tech entrepreneurs said this week they would launch picture-sharing application Rossgram on the domestic market to help fill the void left by Instagram. read more
In November, Gazprom Media launched Yappy as a domestic rival to video-sharing platform TikTok.
Register
Reporting by ReutersEditing by Andrei Khalip, Angus MacSwan, Frances Kerry and Grant McCool
Our Standards: The Thomson Reuters Trust Principles.
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Google’s tweaking the Play Store to make it better for tablets and folding phones – The Verge
Posted: at 8:04 pm
Google is making some tweaks to the Play Store to make it easier for people with big screen devices to find apps thatll take advantage of the display real estate. According to a post on its Developers blog, the company has some changes planned for how apps are ranked and promoted, how reviews are displayed, and the alert messages you might see if youre browsing apps on a tablet, foldable, or Chromebook.
In the post, Google says that it will update how the Play Store ranks and features apps on big-screen devices, with the logic taking account of factors like the support of different device orientations, keyboard support, and more. The company says that the change, which will take place in the coming months, is meant to prioritize high-quality apps and games and help make sure the first apps people find are ones that will work well on their device.
Googles post also mentions that the Play Store will start showing people reviews and ratings from devices in the same category e.g., phone users will see reviews left by other phone users, tablet users will see reviews left by tablet users, and so on, so they can get a better idea of how well the app will work on their type of device. The company announced this change was coming last summer, but its good to hear that its still being worked on. Google says developers can see which reviews and ratings a user with a specific device will see in the Play Store console.
Finally, Google says itll be changing the alerts for apps that dont meet compatibility requirements to make sure big screen device users know how something will run after they install it. Its post is vague on what this actually means, saying that itll provide additional communications on this change later this year.
Google has been giving tablets and larger-screen phones a lot of attention recently. Its Android 12L update is focused on improving the big-screen experience with changes to the notification and Quick Settings shades and the addition of a taskbar. There have also been some interesting developments at its Platforms and Ecosystems team, where one of Androids original founders is working on developing Android for large screens.
Googles push on big screen devices is interesting, given that it makes no tablets, no folding phones, and all of one Chromebook (which was introduced in 2019). Of course, its got plenty of partners that make them, but if I were in the business of predicting what a company was working on, I think my ears would be perked up at this point. There are rumors of an upcoming Pixel foldable, and maybe thats all well see but maybe Google will make Android so good for tablets that itll just have to make one of its own.
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