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Cleaner recycling method unlocks reusable plastics from mixed packaging
Cleaner recycling method unlocks reusable plastics from mixed packaging Lisa Lock Scientific Editor Robert Egan Associate Editor Scientists from Nanyang Technological University, Singapore (NTU Singapore) have developed a new method to recycle mixed plastic packaging without using harmful chemical solvents—an approach that could make one of the world's most difficult waste streams significantly easier to handle. The research team from NTU Singapore's School of Materials Science and...
Redesigning an elusive bacterial enzyme into an efficient green catalyst
Redesigning an elusive bacterial enzyme into an efficient green catalyst Sadie Harley Scientific Editor Robert Egan Associate Editor Industrial oxidation chemistry is a cornerstone of modern manufacturing, accounting for nearly one-third of all chemical industrial processes. While essential for making pharmaceuticals, dyes, and many specialty chemicals, industrial oxidation typically relies on high-temperature, high-pressure processes involving toxic oxidizing agents. This has motivated...
AI-guided catalyst turns CO₂ and waste into fertilizer at industrially relevant rates
AI-guided catalyst turns CO₂ and waste into fertilizer at industrially relevant rates Sadie Harley Scientific Editor Robert Egan Associate Editor Researchers from the National University of Singapore (NUS) have developed a computation-guided strategy to produce urea more efficiently from carbon dioxide and nitrate. By combining large language models, density functional theory calculations and experiments, the approach identified a cadmium-modified iron oxide catalyst that maintains high urea...
Rocket launches and reentries harm Earth's ozone layer
Rocket launches and reentries harm Earth's ozone layer Gaby Clark Scientific Editor Andrew Zinin Lead Editor The space industry is surging. In coming years, nearly 10,000 spacecraft are slated to launch into low-Earth orbit for a variety of purposes, such as global surveillance, space tourism, and satellite "megaconstellations" providing internet service. Rocket engine exhaust, as well as the burnup of inactive satellites and rocket parts reentering Earth's atmosphere, releases a suite of...
Lignin to adipic acid in a high-yield chemical and biological redox process
Abstract Viable manufacturing pathways to produce bio-based chemicals from renewable feedstocks, such as lignin derived from plant biomass, are needed to decarbonize the chemicals manufacturing sector. Converting the recalcitrant lignin polymer to valuable bioproducts remains a longstanding challenge in biorefining, with the highest reported single-product yield from lignin currently around 20 wt% (refs. Most existing lignin depolymerization strategies target aryl–ether bond cleavage, which...
The American Missile Crisis
Recent global conflicts, from Russia and Ukraine to Iran and Israel, have seen a resurgent awareness of the frailty of US munitions stock, which has been drawn down by both direct and indirect involvement in these events. While exact stockpile volumes are not disclosed, it is estimated that supplies of US warheads and the missiles that carry them have declined by nearly an order of magnitude since their peak during the Cuban Missile Crisis. Analysts have estimated that in the event of a...
Anthropic releases Mythos version of AI model
Anthropic has released a public version of its powerful Mythos-class artificial intelligence model, making the technology available to a much wider audience for the first time. The new model, called Claude Fable 5, is based on the same core architecture as Claude Mythos 5, an AI system that previously drew attention from governments, cybersecurity experts and financial institutions because of its advanced capabilities. Anthropic said it decided to release the model publicly only after...
World’s longest building cost £1.6bn to build and takes 40 minutes to walk across
World’s longest building cost £1.6bn to build and takes 40 minutes to walk across A vast industrial building in California is considered the world’s longest, stretching so far that it takes around 40 minutes to walk its full length A gigantic two-mile-long structure has long been regarded as the world's longest building — and it is so vast that experts say the curvature of the Earth must be taken into account when measuring it. The Klystron Gallery at SLAC National Accelerator Laboratory,...
Nanomagnets control diamond qubits, pointing to more scalable quantum hardware
Nanomagnets control diamond qubits, pointing to more scalable quantum hardware Gaby Clark Scientific Editor Robert Egan Associate Editor Quantum computing, once only a theoretical possibility, promises to deliver faster, more energy-efficient computers—but only if scientists can build and scale the hardware needed to run the machines. New research from Virginia Commonwealth University brings scientists one small step closer to quantum computing at a practical scale, which could help...
How I use AI to turn failed drugs into new medicines
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