Inspiring: Tech for Good Media Articles
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Heritage Growers, a native seed farm in Colusa founded by the nonprofit River Partners in 2021, is tackling one of the most fundamental — and least visible — environmental recovery challenges facing the American West: the shortage of locally adapted native seeds needed to restore damaged ecosystems at scale. With more than 200 acres in production, the farm grows what restoration scientists call “source-identified” seed — plant material whose genetic origin can be traced to the specific region where it will ultimately be replanted. That distinction is crucial. “It’s not just any seed,” says Heritage Growers’ general manager Pat Reynolds, a restoration ecologist with more than 30 years of experience. “You want to take material that comes from a specific region, track and make sure those genetics are held forward, produce that seed and put it back into the region. That’s a real important part of it. A poppy that’s grown out in China and came from who knows what is not appropriate for habitat restoration.” Some species require hand harvesting. Others, including some varieties of milkweed critical to pollinators like monarch butterflies, can cost more than $1,000 per pound to produce. “Milkweed actually is very expensive to amplify,” Reynolds explains. “But we need it because if there is no milkweed, there are no monarch butterflies.” Heritage Growers was created five years ago to address this systemic shortage.
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At a bustling money changer in northwestern Syria, a 46-year-old farmer gripped a plastic card like a lifeline. She had never heard of cryptocurrency, but the card held $500 of it to help restart her farm after nearly 14 years of civil war. Where had such technology come from, she asked. The answer surprised her: Afghanistan. Blockchain-based cash transfers are not the kind of innovation that many people would expect from a country better known for its repressive Taliban leadership, which views the internet with suspicion. But in a nation that has largely turned its back on the world, an Afghan start-up is building tools that it hopes will transform how humanitarian aid is delivered in countries shattered by conflict. “We’ve lived through these challenges ourselves, so we know how to develop an approach that works,” said Zakia Hussaini, 26, a programmer at the start-up, HesabPay, which designed the technology driving Ms. Almahmoud’s card. An early proponent of the platform was the United Nations High Commissioner for Refugees. The agency uses it to support more than 86,000 families in Afghanistan in one of the biggest public blockchain aid initiatives in the world. Mercy Corps, which donated the funds to Ms. Almahmoud, worked with HesabPay to expand its reach to include Syria, and programs for Sudan and Haiti are in development. Today, the platform has more than 650,000 wallets in Afghanistan, of which about 50,000 are in regular use.
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Fredy Amador is intimately familiar with the financial struggles people face in the current economy. Northern Illinois’ skyrocketing energy bills make the situation even tougher. Now, Amador has become an evangelist for something that can provide a modest measure of relief: A community solar project, built on a Superfund site too polluted for much else in the city of Waukegan where he lives, about 40 miles north of Chicago. Residents who subscribe to get energy from the solar farm are guaranteed to see savings on their energy bills, under a state program incentivizing solar in low-income areas. The 9.1-megawatt Yeoman Solar Project, which went online last month, can provide energy for about 1,000 households, as well as the Waukegan school district, which owns the land. Such brownfields are attractive locations for solar installations because of “existing electrical infrastructure, lower-cost land, and community acceptance,” noted Paul Curran, CleanCapital’s chief development officer. Incentives from the state initiative Illinois Solar for All helped make the project financially viable, even given extra costs incurred from building on a Superfund site. Solar is a good fit for sites that are too polluted for housing or other types of development. Under the terms of the Superfund remediation, residential use is prohibited at the Yeoman Creek site. The company has developed solar on brownfields and landfills in other states, including a new 822-kilowatt site in Maryland.
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The Marshall Islands has introduced a national universal basic income (UBI) scheme that offers payments via cryptocurrency, alongside more traditional methods, which experts say is the first scheme of its kind in the world. Every resident citizen of the Marshall Islands will receive quarterly payments of about US$200 as part of a government effort to ease cost of living pressures. The first instalments were paid in late November and recipients can choose whether the money is paid into a bank account, by cheque, or delivered as cryptocurrency on the blockchain through a government-backed digital wallet. “We the government want to make sure no one is left behind,” Marshall Islands’ minister for finance David Paul [said]. “$200 per person per quarter, which is about $800 a year, does not compel you to quit your job ... but it’s actually like a morale booster for people.” The UBI scheme is financed by a trust fund created under an agreement with the United States, which in part aims to compensate the Marshall Islands for decades of American nuclear testing. The cryptocurrency delivery option – which involves the transfer of a digital token known as a stablecoin, pegged to the US dollar – was designed to address the practical challenge of delivering the money across hundreds of remote islands. Anelie Sarana, the finance manager involved in the rollout, said ... many recipients were using the money immediately for basic needs, like food and essentials.
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“These plants are the winners, the ones that get to pass their genes on [to future generations],” says Lee DeHaan of the Land Institute, an agricultural non-profit based in Salina, Kansas. If DeHaan’s breeding programme maintains its current progress, the descendant of these young perennial crop plants could one day usher in a wholesale revolution in agriculture. The plants are intermediate wheatgrass. Since 2010, DeHaan has been transforming this small-seeded, wild species into a high-yielding, domesticated grain crop called Kernza. He believes it will eventually be a viable – and far more sustainable – alternative to annual wheat, the world’s most widely grown crop and the source of one in five of all calories consumed by humanity. Remarkably, DeHaan does not paint the current agricultural-industrial complex as the enemy. “Every disruptive technology is always opposed by those being disrupted,” he says. “But if the companies [that make up] the current system can adjust to the disruption, they can play in that new world just the same.” The Land Institute’s strategy is redirection rather than replacement. “Our trajectory is to eventually get the resources that are currently dedicated to annual grain crops directed to developing varieties of perennials,” says DeHaan. “That’s our [route to] success.” There are signs that this is already working, with the food firm General Mills now incorporating Kernza into its breakfast cereals.
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In Kent, Ohio, older white women and immigrant families are forging unexpected connections through a time exchange network. Through time exchanges — sometimes called time banking — members earn time credits by helping others, then redeem them when they need assistance themselves. It’s not barter, or charity; time banking emphasizes reciprocal exchange, recognizing that everyone has something to offer, and that we all need help sometimes. With over 530 active members and more than 101,000 hours exchanged over the past 15 years, Kent’s time bank is one of the most vibrant in the world. Last year alone, members completed 3,900 exchanges through the original version of Time and Talents, a free platform. The ... interface is user-friendly. Users can track their time credit balance, and exchange private messages with each other about their needs and skills. Membership isn’t limited to individuals — art galleries, businesses, and even governmental groups have requested volunteer labor in exchange for time credits. Rather than defaulting as a nonprofit with a formal board, groups might experiment with open organizing models where anyone can participate. Madison-based organizer Stephanie Rearick ... helped start a time bank in 2005, after she learned about it as one economic system of many in a book called The Future of Money. “I realized that time banking should address the things in our economy that most need to be addressed ... such as the degradation and devaluation of care and creativity, civic engagement and community work.” Rearick sees common funds as one antidote to co-optation and collapse. Through them, neighbors pool money collectively to support shared projects and one another. After leaving the time exchange in 2017, she helped launch a common fund in 2022 as president of Humans United in Mutual Aid Networks (HUMANS), a global cooperative network focused on building a mutual aid economy. Time exchanges and common funds, she said, are just two tools of many that can be used for cultivating what she calls a neighborly economy.
Note: Learn more about the incredible world of time banking, where thousands of time banks have been established in over 37 countries. Explore more positive stories like this on tech for good and reimagining the economy.
Every time somebody flushes a toilet in Mannheim, they contribute to ecological shipping. Since March 2025, the German city’s wastewater treatment plant has been feeding an experiment of global relevance: Transforming sewage gases into green methanol, a cleaner, nearly-carbon-neutral alternative to heavy fuel oil. The pilot, known as Mannheim 001, is the first full case study of how human waste can be captured, processed and converted into fuel powerful enough to propel cargo ships across oceans. “It’s the first time the entire value chain — from sewage to finished methanol — has been demonstrated,” says David Strittmatter, co-founder of Icodos, the start-up behind the project. Wastewater plants produce sludge — the thickened residue left after sewage is treated and cleaned. Mannheim’s plant ferments this sludge in oxygen-free tanks, yielding biogas rich in methane and carbon dioxide, which is usually burned for heat or flared off. Icodos’ innovation is to clean and upgrade that gas. “The sewage gas is dried, desulfurized, and then the carbon dioxide is separated from the rest,” Strittmatter explains. Using renewable electricity, the captured carbon dioxide is then combined with hydrogen through a catalytic process to form methanol — a liquid fuel that can run ship engines. According to Icodos, scaling sewage-to-methanol worldwide could cover the entire fuel demand of the global shipping sector.
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There are risks to democracy from AI, but there are also opportunities. AI is being used by some to make democracy better, stronger, and more responsive to people. CalMatters, a non-profit, non-partisan news organization. Since 2023, its Digital Democracy project has been collecting every public utterance of California elected officials – every floor speech, comment made in committee and social media post, along with their voting records, legislation, and campaign contributions – and making all that information available in a free online platform. CalMatters this year launched a new feature that takes this kind of civic watchdog function a big step further. Its AI Tip Sheets feature uses AI to search through all of this data, looking for anomalies, such as a change in voting position tied to a large campaign contribution. These anomalies appear on a webpage that journalists can access to give them story ideas and a source of data. This is not AI replacing human journalists; it is a civic watchdog organization. And it’s no coincidence that this innovation arose from a new kind of media institution – a non-profit news agency. AI technology is not without its costs and risks, and we are not here to minimize them. But the technology has significant benefits as well. AI is inherently power-enhancing, and it can magnify what the humans behind it want to do. It can enhance authoritarianism as easily as it can enhance democracy. It’s up to us to steer the technology in that better direction.
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Scientists have just built working computer components out of shiitake mushrooms. As described in a paper published in PLOS One, using mycelium—the threadlike roots of fungi—researchers created memristors, the circuitry elements that remember past electrical states. You’d imagine such a feat would yield a memristor that performs terribly, but the researchers say its performance wasn’t too far off from that inside your laptop. These organic circuits can store information, process signals, and maybe even help future computers behave more like organic brains, all while being low-cost, biodegradable, and probably compostable when you’re done with them. The team grew nine batches of shiitake mycelium in petri dishes. They let them sprawl and stretch into mildly disturbing, gross, tangled networks of roots. Then, they dried them out in the sunlight until they were ready to handle electricity. Once wired up to a circuit, the fungal fibers responded to voltage like living synapses. They were firing off signals at about 5,850 hertz with 90 percent accuracy. The researchers found they could boost power by wiring more mushrooms together, creating an even larger fungal network that improved circuit stability and speed. It’s still very early on, but the implications here are wild and potentially game-changing. Imagine being able to grow the components for, say, a new iPhone or the aforementioned high-end gaming rig, from just some dirt and a lot of humidity.
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When Mount Saint Helens in southwestern Washington erupted on the morning of May 18, 1980, the stratovolcano spewed a plume of debris high into the earth’s atmosphere and spread ash to at least eleven nearby states. But despite the appearance of a mountain-side extinction event, life was already regenerating. Just 10 days after the eruption, the geomorphologist Fredrick Swanson surveyed one of the lahars with colleagues and noticed something intriguing. In the rubble, fine, filament-like threads had attached themselves to some of the smaller pebbles and stones cast out of the volcano’s center. What Swanson was witnessing was the phenomenon of “phoenicoid fungi,” aptly named in a nod to the mythical phoenix rising from the ashes. Fungal organisms such as these are often the first responders to blast zones and wildfire burn areas where the decomposing landscape serves as a smorgasbord for their biological needs. The fungi used for environmental clean-up come in a variety of shapes and sizes. Oyster mushrooms ... can break down petroleum and hydrocarbons, putting them top of the list when it comes to cleaning up deadly oil spills. A 2023 study conducted in Massachusetts, commissioned by MassDOT, found that there could be benefits to integrating mycelium into the state’s pre-existing stormwater management infrastructure to serve as a filtration system to improve water quality.
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It wouldn’t be wrong to say Sam Shoemaker crossed the ocean on a mushroom. This August, the Californian artist launched his 14-foot kayak off Catalina Island and paddled for 12 hours across the 26.5-mile Catalina Channel to San Pedro. The brownish-white boat itself [was] “a boat made entirely from a single mushroom growing outside my studio,” Shoemaker explains — the world’s largest mushroom boat. He built it from wild Ganoderma polypore collected near his LA studio, propagated in a hemp-and-sawdust substrate for about four weeks, molded into kayak form and dried until it became “a strong, hydrophobic and inert, cork-like material.” Mycelium, the interconnected root network of a fungus such as Ganoderma polypore, can grow to hundreds of acres. The boat was sealed with locally sourced beeswax, using no synthetic materials. Shoemaker’s multiyear project wasn’t commercial — he is simply interested in demonstrating mushrooms’ potential. His invention is part of AquaFung, a term coined — and a movement inspired — by artist Phil Ross that hopes to one day replace Styrofoam and other materials that go into water with fungi, as part of the nonprofit Open Fung. In their quest, Shoemaker and Ross are members of a sprouting global community of artists, engineers, high-end designers and environmentalists, intent on producing sustainable inventions from mushrooms. For Ross, mycelium is not just a material but a mystery and companion.
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Collaborating with robotics engineers and Italian 3D printer manufacturers, a Japanese company is building “homes of earth” made primarily from soil. Lib Work, Ltd. completed their first 3D-printed earth home in Yamaga, Kumamoto on July 22, calling their creative process “uncharted territory where tradition and convention offered no guide”. With an eye toward recycling, sustainability, and reduced carbon emissions, Lib Work focused on combining 3D-printing with natural materials enhanced for strength, constructibility, and design quality. The walls of the completed Lib Earth House Model B use no cement (which produces industrial waste). Instead, they utilized only naturally derived materials with soil as the primary component to create sustainable earthen walls. Compared to the previous model (Model A) that used some cement, the building’s strength has improved approximately fivefold while significantly reducing CO2 emissions from the manufacturing process itself. The walls contain cutting-edge sensors as part of a wall condensation monitoring system that monitors in real-time the temperature and humidity inside the walls. This system enables the house to manage its own condition by detecting condensation in advance to maintain a long-lasting, comfortable living environment. Additionally, the homes include remote operation of air conditioning, lighting, and bath controls via smartphone or dedicated monitor. It also features an off-grid energy system.
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While trying to come up with a pesticide solution to kill off bollworms, Dr Robert Mensah had his eureka moment. It was the 90s, and in Australia bollworms were devastating cotton farms. He experimented and eventually came up with a simple food spray, “a mixture of food ingredients, yeast and sugar-based, diluted in water and applied to crops. It emits an odour which is picked up by beneficial predatory insects and attracts them to the fields where they kill pests.” It was the beginning of an international grassroots campaign, in which Mensah has worked with various charities to teach people about this sustainable farming method. Ever since the dangerous side effects of pesticides became widely known, alternatives have been sought. This approach to farming, which reduces our reliance on pesticides, is called integrated pest management. In 2005, Mensah took food sprays to Benin, where the Pesticide Action Network (PAN UK) was helping farmers transition to organic farming. There, the misuse of chemical pesticides was seriously damaging people’s health. The food sprays – cheap, safe and effective – caught on with farmers in Benin where thousands now use the technique. From there, Mensah took food sprays to southern Ethiopia, where they were also trialled successfully on vegetables ... and then to Vietnam where they were used successfully on maize. Another charity, Better Cotton, is now trialling food sprays in India ... where they’ve trained 214,000 farmers to use sprays.
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The idea that American health insurance companies are using AI to analyze and adjudicate claims for approval or denial sounds terrifying, but one North Carolinian is using AI to fight back. When Raleigh resident Neal Shah had a claim denied for his wife’s chemotherapy drugs, he thought it was rare, that he was the only one, that it was just bad luck. Litigating his case on phone calls that lasted for hours changed the husband and father, and he set about creating a sophisticated app that uses artificial intelligence to compare claims denial forms against health insurance contracts, before automatically drafting an appeal letter. “For a doctor to write this, it’s not rocket science, but it still takes hours,” Shah told ABC News 11, adding that a well-written appeal letter, sent in immediately, can sometimes get denials reversed within days or weeks, but most people either don’t know they can appeal, or don’t know on what grounds they can appeal. In fact, according to Shah’s research, 850 million claims denials occur every year, and less than 1% are ever appealed. That’s where Counterforce Health comes in, a startup that’s created a free-to-use app for claims denials. For Counterforce Health, Shah brought onboard Riyaa Jadhav, a Jill of all trades who has helped grow and expand the undertaking. Together, they’ve built Counterforce to the point where it boasts a 70% success rate in appealing claims.
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Certain kinds of gut microbes absorb toxic Pfas “forever chemicals” and help expel them from the body via feces, new first-of-its-kind University of Cambridge research shows. The findings are welcome news as the only options that exist for reducing the level of dangerous Pfas compounds from the body are bloodletting and a cholesterol drug that induces unpleasant side effects. The microbes were found to remove up to 75% of some Pfas from the gut of mice. Several of the study’s authors plan to develop probiotic dietary supplements that boost levels of helpful microbes in the human gut, which would likely reduce Pfas levels. “If this could be used in humans to create probiotics that can help remove Pfas from the body then this would be a nicer solution in that it wouldn’t have so many side effects,” said Anna Lindell, Cambridge doctoral student and a co-author of the study. Pfas are a class of about 15,000 compounds most frequently used to make products water-, stain- and grease-resistant. They have been linked to cancer, birth defects, decreased immunity, high cholesterol, kidney disease and a range of other serious health problems. They are dubbed “forever chemicals” because they do not naturally break down in the environment. The microbes [in the study] largely addressed “long-chain” Pfas, which are larger compounds and more dangerous than smaller “short chains” because they stay in the body longer.
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Most of the water on Earth is found in the oceans, but it’s far too salty to drink. While desalination plants can remove salt and make seawater drinkable, they typically use a lot of energy. Now, researchers have developed a promising new material that could change that. Reporting in ACS Energy Letters, a team of scientists created a sponge-like structure filled with long, microscopic air channels that harness sunlight to turn saltwater into fresh, clean water. In an outdoor test, this simple system—just the sponge and a clear plastic cover—successfully produced drinkable water using only natural sunlight. It’s a step toward making low-energy, sustainable desalination more accessible. In an outdoor test, the researchers placed the material in a cup containing seawater, and it was covered by a curved, transparent plastic cover. Sunlight heated the top of the spongy material, evaporating just the water, not the salt, into water vapor. The vapor collected on the plastic cover as liquid, moving the now clean water to the edges, where it dripped into a funnel and container below the cup. After 6 hours in natural sunlight, the system generated about 3 tablespoons of potable water. “Our aerogel allows full-capacity desalination at any size,” [researcher Xi] Shen says, “which provides a simple, scalable solution for energy-free desalination to produce clean water.”
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Could baby poop and fungi work together to tackle landfill waste? That's the idea behind a new product launched by an Austin, Texas-based startup that sells disposable diapers paired with fungi intended to break down the plastic. Each of Hiro Technologies' MycoDigestible Diapers comes with a packet of fungi to be added to the dirty diaper before it is thrown in the trash. After a week or two, the fungi are activated by moisture from feces, urine and the environment to begin the process of biodegradation. An estimated 4 million tons of diapers were disposed of in the United States in 2018, with no significant recycling or composting. Diapers take hundreds of years to naturally break down. That means the very first disposable diaper ever used is still in a landfill somewhere. To tackle this, Hiro Technologies turned to fungi. These organisms - which include mushrooms, molds, yeasts and mildew - derive nutrients from decomposing organic matter. In 2011, Yale University researchers discovered a type of fungus in Ecuador that can feed on polyurethane, a common polymer in plastic products. They figured the fungus, Pestalotiopsis microspora, would be capable of surviving on plastic in environments lacking oxygen, like landfills. Hiro Technologies co-founder Tero Isokauppila, a Finnish entrepreneur who also founded medicinal mushroom company Four Sigmatic, said there are more than 100 species of fungi now known to break down plastics.
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Hypothetical: You wake up tomorrow morning to find [that] the internet has functionally ceased to exist. But you need to connect with people you trust to get help and survive. What do you do? Meshtastic is a program that enables devices to send text messages over long distances without needing Wi-Fi or cell service. Long range radio (LoRa) nodes help pass messages along, forming a network of devices that can talk to each other even in remote areas. Messages hop from device to device, with each node relaying messages it hasn't seen before—extending the network’s reach across miles using minimal power. That is to say, Meshtastic is designed specifically for sending text messages over free-to-use radio frequencies to both groups and individuals, even when cell service and internet connections are nowhere to be found. “The cool thing about Meshtastic is that it’s like a radio infrastructure without the infrastructure. It’s ad hoc,” says Eric Kristoff, a volunteer member of the Chicago chapter of the Mars Society. Meshtastic was created by technologist Kevin Hester in early 2020 as a way to communicate while doing “any hobby where you don’t have reliable internet access,” and it remains a grassroots endeavor, with established local communities spanning from Argentina to China that are ripe with a DIY ethos. The software itself is open source, meaning anyone can theoretically contribute, and hundreds have. A core group of volunteer developers helps maintain the Meshtastic firmware.
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Negative or fear-framed coverage of AI in mainstream media tends to outnumber positive framings. The emphasis on the negative in artificial intelligence risks overshadowing what could go right — both in the future as this technology continues to develop and right now. AlphaFold, which was developed by the Google-owned AI company DeepMind, is an AI model that predicts the 3D structures of proteins based solely on their amino acid sequences. That’s important because scientists need to predict the shape of protein to better understand how it might function and how it might be used in products like drugs. By speeding up a basic part of biomedical research, AlphaFold has already managed to meaningfully accelerate drug development in everything from Huntington’s disease to antibiotic resistance. A timely warning about a natural disaster can mean the difference between life and death. That is why Google Flood Hub is so important. An open-access, AI-driven river-flood early warning system, Flood Hub provides seven-day flood forecasts for 700 million people in 100 countries. It works by marrying a global hydrology model that can forecast river levels even in basins that lack physical flood gauges with an inundation model that converts those predicted levels into high-resolution flood maps. This allows villagers to see exactly what roads or fields might end up underwater. Flood Hub ... is one of the clearest examples of how AI can be used for good.
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Researchers at ETH Zurich have designed a sustainable method to extract gold from electronic waste using a byproduct of cheese production. Electronic devices, from smartphones to laptops, contain small amounts of gold due to its excellent conductivity and resistance to corrosion. With the rapid turnover of electronic gadgets, e-waste has become the fastest-growing waste stream globally, reaching 62 million tonnes in 2022, and only 22.3 percent of this was formally collected and recycled, leaving vast amounts of valuable materials unused. Professor Raffaele Mezzenga and scientist Mohammad Peydayesh led the ETH Zurich team in developing a method that utilizes “whey”, the liquid byproduct of cheese-making. By processing whey proteins into amyloid fibrils, they created a sponge-like aerogel capable of selectively absorbing gold ions from acidic solutions derived from e-waste. Professor Mezzenga stated, "The fact I love the most is that we're using a food industry byproduct to obtain gold from electronic waste. You can't get much more sustainable than that!" In laboratory tests, this aerogel successfully extracted gold from dissolved computer motherboards. The sponge drew out gold that was about 90.8 percent pure, yielding a 22-carat nugget weighing approximately 450 milligrams. The research team is also exploring the use of other food industry byproducts, like pea protein and fish collagen, to diversify the sources of the aerogel. The process is economically viable, with operational costs significantly lower than the market value of the recovered gold, unlike traditional gold extraction techniques that rely on toxic chemicals like cyanide.
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