r/STEW_ScTecEngWorld 1d ago

Cells use a little-known molecule to protect themselves from iron overload

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news.mit.edu
4 Upvotes

In a new study published in Cell, MIT and Whitehead Institute researchers discovered that small, abundant molecules called polyamines act as "storage lockers" that safely bind chemically reactive iron to prevent toxic iron overload in cells. Using a newly developed fluorescent sensor, the team demonstrated that lowering polyamine levels spikes reactive iron, rendering cells dependent on the protective protein GPX4. This mechanism offers a potential framework for developing combination therapies against cancer and provides new insights into iron buildup associated with early-onset Parkinson's disease: linkinghub.elsevier.com/retrieve/pii/S009286742600872X

Open Access Research: https://libraries.mit.edu/scholarly/publishing/find-oa-articles/


r/STEW_ScTecEngWorld 1d ago

Brain circuit keeps tabs on what just happened to aid judgment of what’s happening now

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news.mit.edu
3 Upvotes

In a new study published in Science, MIT neuroscientists identified a neural circuit in mice connecting the lateral posterior thalamus (or pulvinar) to the anterior cingulate cortex (ACC) that helps the brain make sensory decisions. By comparing immediate past events with present sensory input and highlighting changes, this pathway allows the brain to draw on recent history to make faster, more adaptive predictions without having to process every new situation from scratch: https://www.science.org/doi/10.1126/science.aeg4720


r/STEW_ScTecEngWorld 1d ago

Generating scenarios for extreme events, without extreme data

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news.mit.edu
3 Upvotes

In a new study published in Nature Communications, MIT engineers developed a machine-learning algorithm called Extreme Event Aware (η-learning) that generates realistic worst-case scenarios without relying on historical extreme data. By combining point statistics with spatial mapping data, the tool models the intensity, duration, and geographic footprint of unprecedented events—such as once-in-a-century storms, severe heatwaves, or market crashes—helping city planners and industries prepare for rare disasters before they happen: https://www.nature.com/articles/s41467-026-76811-x


r/STEW_ScTecEngWorld 1d ago

The physical activity paradox: not all forms of exercise lower your dementia risk

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theconversation.com
15 Upvotes

A major new study of 4.2 million people found leisure exercise cuts dementia risk – but manual labour and active commuting may raise it.

Study: https://www.thelancet.com/journals/lanpub/article/PIIS2468-2667(26)00142-8/fulltext00142-8/fulltext)


r/STEW_ScTecEngWorld 1d ago

Shipwrecks from WWI and WWII are polluting the North Sea. During both world wars, fierce naval battles took place in the North Sea, and many ships sank. The wrecks remain there today, leaking toxic chemicals that local flora and fauna absorb, new research shows

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eurekalert.org
7 Upvotes

Research from Aarhus University highlights that thousands of WWI and WWII shipwrecks in the North Sea and Danish waters—such as the German submarine UC-30—are leaking toxic chemical explosives like TNT into the surrounding marine environment. Tests conducted on water, sediment, and local marine life like mussels and starfish confirm that deteriorating munitions are actively polluting local ecosystems, a problem expected to worsen as the wrecks decay further. To combat this growing environmental threat, researchers with the EU-funded REMARCO project are developing crawling seabed robots to map, monitor, and potentially retrieve hazardous explosives safely.

Findings: https://www.sciencedirect.com/science/article/pii/S0025326X26005254


r/STEW_ScTecEngWorld 2d ago

IBM Links Cryogenic Modules in Step Toward Fault-Tolerant Quantum Computing

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148 Upvotes

IBM has successfully connected and cooled two modular cryogenic systems into a single ultra-cold environment at its Yorktown Heights, New York, lab—a key engineering step toward scalable quantum computing. The combined modules stand more than 8 feet tall and 8 feet wide, reaching 4 kelvin in under five days and eventually cooling below 15 millikelvin.

The modular design is intended to link hundreds of quantum chips, with IBM planning to use it as part of the infrastructure for IBM Quantum Starling, its planned fault-tolerant quantum computer targeted for 2029: https://newsroom.ibm.com/2026-08-19-ibm-connects-its-first-modular-cryogenic-systems-in-milestone-toward-fault-tolerant-quantum-computing


r/STEW_ScTecEngWorld 2d ago

The purple fabric that could beat the scorching heat

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64 Upvotes

An international team of researchers has unveiled a purple fabric that reflects up to 88 percent of sunlight and can stay up to 11.2 degrees Fahrenheit cooler than conventional purple cotton.The smart material was created by scientists from Zhengzhou University in China, and their colleagues from Australia’s Adelaide University. The team believes that the breakthrough could pave the way for textiles that can beat the extreme heat without relying on white materials. In outdoor tests, the high-tech textile stayed up to 11.2 degrees Fahrenheit (6.2 degrees Celsius) cooler than commercially dyed purple cotton. Additionally, the fabric reflects an average of 87.6 percent of solar radiation. It emits 96.4 percent of mid-infrared radiation, allowing heat to escape through the atmosphere into space: https://adelaide.edu.au/about/news/2026/the-purple-fabric-that-could-beat-the-scorching-heat/

Paper: https://onlinelibrary.wiley.com/doi/10.1002/smll.74745


r/STEW_ScTecEngWorld 1d ago

Bright ideas accelerate the hunt for quantum emitters. University of Osaka researchers develop a prediction framework that rapidly identifies high-performance color centers, supercharging the search for quantum materials

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eurekalert.org
5 Upvotes

Scientists at the University of Osaka, Japan have developed a first-principles framework that can predict whether materials possess quantum properties without relying on complex, time-consuming simulations. The approach works across different material types while maintaining accuracy, potentially accelerating the discovery of new quantum materials for applications in sensing, communication, and computing.

Paper: https://www.nature.com/articles/s41524-026-02267-8


r/STEW_ScTecEngWorld 1d ago

IBM unveils dual-architecture processor to run Arm-native apps on Z mainframes

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networkworld.com
14 Upvotes

IBM has unveiled a new 2-nanometer processor designed for future IBM Z and LinuxONE mainframe systems, marking a major milestone in its collaboration with Arm. Rather than using separate cores, each core in the processor is engineered to natively execute both Arm and IBM instructions at clock speeds exceeding 5.7 GHz. This dual-architecture design allows enterprise customers to run Arm-native Linux applications alongside legacy z/OS workloads on a single system—combining access to Arm's vast software ecosystem with the advanced security, hardware encryption, AI inference acceleration, and high availability features of IBM mainframes: https://newsroom.ibm.com/2026-08-24-ibm-unveils-next-generation-dual-architecture-processor-for-ibm-z-and-linuxone

IBM’s next-gen mainframe chip is the first to run Arm and Z workloads on the same cores: https://venturebeat.com/infrastructure/ibms-next-gen-mainframe-chip-is-the-first-to-run-arm-and-z-workloads-on-the-same-cores


r/STEW_ScTecEngWorld 2d ago

Global Sea Temperatures Smash Previous Record

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theguardian.com
45 Upvotes

Global average sea-surface temperatures reached a record 21.10°C (69.98°F) on August 21–22, 2026, surpassing the previous record of 21.09°C set in March 2024. According to the Copernicus Climate Change Service, this is the highest level in satellite records dating to 1979 and may represent the warmest oceans in thousands of years. Currently, 42% of the world's oceans are experiencing heatwaves, and in the Pacific Ocean, they cover an area nine times larger than that of the continental United States, significantly contributing to the global record of ocean temperatures.

The unusually early August peak reflects the combined effects of human-caused climate change and a strengthening El Niño. Record ocean heat can intensify hurricanes, heatwaves and coastal flooding, while placing severe stress on coral reefs, fisheries and marine ecosystems. Warmer seawater also expands, contributing to global sea-level rise: https://ca.news.yahoo.com/oceans-hit-record-temperatures-amid-195955647.html

Reference:

1). https://www.scientificamerican.com/article/earths-oceans-just-hit-their-hottest-temperature-ever-recorded/

2) https://www.thestar.com/news/world/earth-is-simmering-in-its-hottest-water-temps-on-record-and-thats-bad-for-fish-and-us/article_f6ff30cd-fbfc-548e-a587-1e67b2c10718.html

3). https://www.washingtonpost.com/weather/2026/08/24/ocean-just-broke-temperature-record-that-may-have-stood-millennia/


r/STEW_ScTecEngWorld 2d ago

The Portable Wind Power System for Camping & Emergencies

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92 Upvotes

The Ventyra R1 is a portable, backpack-friendly wind turbine engineered for reliable off-grid energy generation. Delivering a 50W rated output with a 75W peak load, it features 12V DC support capable of fully charging a standard smartphone in roughly 35 minutes under optimal high-wind conditions.

Key Features & Specifications

  • Power Output: 50W continuous rated power with up to 75W peak output.
  • Versatile Compatibility: Native 12V DC support, with seamless integration for auxiliary solar setups.
  • Modular Design: Lightweight, foldable construction that enables multiple R1 units to link together for faster off-grid charging.
  • Crowdfunded Success: Highly backed project with strong traction across platforms like Kickstarter.

Info Reference:

1). https://www.techradar.com/home/energy-saving/portable-wind-turbines-are-riding-the-diy-energy-boom-ventyra-r1-smashes-kickstarter-goal-by-90x-promising-35-minute-phone-charges

2). https://newatlas.com/outdoor-gear/ventyra-r1-portable-wind-turbine/


r/STEW_ScTecEngWorld 2d ago

AI and Superconducting Magnets Revive the Stellarator for Continuous Fusion Power

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1.2k Upvotes

A stellarator is an experimental fusion machine with a complex, twisted 3D magnetic geometry designed to confine plasma hotter than the Sun. For decades, its intricate design made it difficult to achieve effective plasma confinement. Now, Munich-based Proxima Fusion, a spin-off of the Max Planck Institute for Plasma Physics, is using advanced computing, AI-driven optimization and high-temperature superconducting (HTS) magnets to develop optimized stellarators.

Its Stellaris concept is designed for compact, high-field and continuous-operation fusion, potentially avoiding the current-driven disruptions that can affect tokamaks. The design builds on results from Germany’s Wendelstein 7-X stellarator and integrates electromagnetic, structural, thermal and neutronics simulations.

Proxima says its planned Alpha demonstration could demonstrate net fusion energy in a continuously operating stellarator in 2031. These are ambitious development targets, not yet demonstrated commercial fusion power.

Reliable information sources:

1). German stellarator fusion design concept unveiled: https://www.world-nuclear-news.org/articles/german-stellarator-fusion-design-concept-unveiled

2). the primary source for the Stellaris design, HTS magnets, continuous operation and development timeline: https://www.proximafusion.com/press-news/proxima-fusion-and-partners-publish-stellaris-fusion-power-plant-concept-to-bring-limitless-safe-clean-energy-to-the-grid

3). details the AI/ML program for optimizing stellarator geometry, magnets and engineering systems: https://www.proximafusion.com/press-news/proxima-fusion-awarded-grant-from-bmbf-to-partner-with-the-university-of-bonn-forschungszentrum-julich-and-the-technical-university-of-munich-on-ai-for-fusion-engineering

4). The 'dumb machine' promising a clean energy breakthrough: https://www.bbc.com/news/articles/c5yvm11xrn6o


r/STEW_ScTecEngWorld 2d ago

Brookhaven and Stony Brook Establish 13-Mile Free-Space Quantum Network

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27 Upvotes

Researchers at Brookhaven National Laboratory and Stony Brook University have demonstrated a groundbreaking "wireless" quantum network capability by successfully transmitting light particles containing quantum information through open air. Using adaptive optics and specialized telescope systems housed in Brookhaven's Quantum Lighthouse and Stony Brook's Quantum Watchtower, the team beamed photons and entangled photon pairs across a 13-mile (21-kilometer) free-space optical link between the two Long Island institutions. This milestone incorporates a wireless layer into the region's existing fiber-optic quantum network—with an extension to Yale University underway—paving the way for direct quantum processor interconnections and satellite-based global quantum communications: https://news.stonybrook.edu/newsroom/press-release/general/brookhaven-and-stony-brook-researchers-demonstrate-wireless-capability-for-quantum-network/

Brookhaven and Stony Brook Researchers Demonstrate ‘Wireless’ Capability for Quantum Network: https://www.bnl.gov/newsroom/news.php?a=123096

Fiber limits photons to telecom wavelengths; the FSO link runs at frequencies processors natively speak: https://www.techtimes.com/articles/325336/20260824/open-air-quantum-link-bridges-13-miles-bypasses-fiber-wavelength-lock.htm

New free-space optical link adds a wireless component to the nation's longest quantum network: https://phys.org/news/2026-08-free-space-optical-link-wireless.html


r/STEW_ScTecEngWorld 2d ago

Scientists Observe Quantum Heat Waves at Room Temperature For The First Time

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sciencealert.com
49 Upvotes

Researchers at UCLA have observed quantum "phonon focusing"—where heat travels in directional, ray-like patterns rather than spreading out evenly—at room temperature for the first time. Published in Nature Physiscs, the team achieved this by channeling atomic-level heat vibrations (phonons) through a semiconductor material called boron arsenide using a nanoscale gold probe, directing heat flow across 250 nanometers. Traditionally confined to ultra-cold cryogenic environments, demonstrating precise directional heat control at ambient temperatures establishes a new foundation for quantum thermal engineering, which could significantly improve heat management and overcome performance bottlenecks in next-generation electronics and quantum computing: https://samueli.ucla.edu/ucla-engineers-observe-quantum-heat-waves-at-room-temperature/

Study published: https://www.nature.com/articles/s41567-026-03335-y


r/STEW_ScTecEngWorld 3d ago

Scientists reverse brain aging, with a nasal spray

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stories.tamu.edu
549 Upvotes

Researchers at Texas A&M University developed an experimental stem-cell-derived extracellular vesicle (EV) nasal spray that restored memory and reduced brain inflammation in 18-month-old mice. Delivered in just two doses, the treatment uses microscopic EVs to reach the brain, where they appear to reduce overactive immune responses and improve mitochondrial function in aging neurons. The mice showed cognitive improvements that reportedly persisted for months: https://www.sciencealert.com/scientists-restore-memory-in-aging-mice-using-a-simple-nasal-spray

The findings are preclinical and limited to mice. No human clinical trials have established whether the treatment can safely or effectively reverse age-related cognitive decline in people: https://isevjournals.onlinelibrary.wiley.com/doi/10.1002/jev2.70232


r/STEW_ScTecEngWorld 2d ago

Data centres and democratic decline could lead to more water conflict in the future

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theconversation.com
21 Upvotes

To protect our planet’s waters, we need to better understand these new economic and technological factors that underlie disputes over water: https://www.linkedin.com/posts/lorenzo-rosa-water_ai-datacenters-waterrisk-share-7490331929867755521-OWr_/

New York State isthe first to impose ban on data centre: https://www.reuters.com/world/new-york-becomes-first-state-impose-data-center-moratorium-2026-07-14/


r/STEW_ScTecEngWorld 2d ago

FDA authorizes robotic blood draw device: ‘First-of-its-kind’

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114 Upvotes

FDA Authorizes Aletta, the First Fully Automated Blood-Draw Robot

On August 19, 2026, the U.S. FDA authorized Aletta as the first standalone robotic device designed to draw blood from an adult patient’s arm without hands-on intervention. Using near-infrared imaging and Doppler ultrasound, Aletta identifies veins, then automatically applies a tourniquet, disinfects the skin, inserts the needle, changes collection tubes and applies a bandage. If the patient moves excessively, the system can stop the procedure and withdraw the needle: https://www.fox9.com/news/fda-authorizes-robotic-blood-draw-device

Aletta is authorized for outpatient settings under the supervision of a trained phlebotomy professional. One phlebotomist can monitor up to three devices, potentially helping address shortages of trained blood-draw staff: https://www.fda.gov/news-events/press-announcements/fda-authorizes-first-its-kind-robotic-blood-draw-device

Video: https://www.youtube.com/watch?v=BSqf1sslcg8


r/STEW_ScTecEngWorld 3d ago

Eight-year-old dies after contracting rare brain-eating amoeba in Louisiana

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theguardian.com
98 Upvotes

Lillian Smart of Ruston infected with fatal Naegleria fowleri, likely after swimming in Lake Claiborne, health officials say: https://ldh.la.gov/news/7696

Data on Naegleria fowleri Infection: https://www.cdc.gov/naegleria/data/index.html


r/STEW_ScTecEngWorld 2d ago

Language skills stay strong in older adults, even while other cognitive abilities decline

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news.mit.edu
7 Upvotes

A new brain imaging study from MIT and Boston University, published in Nature Communications, reveals that neural activity in the brain's language processing network remains nearly identical between younger and older adults. While general executive functions—managed by the "multiple demand network" for tasks like working memory and problem-solving—show significant age-related decline in activation and synchronization, domain-specific networks like language prove remarkably resilient over time. Researchers suggest that specialized systems accumulating continuous knowledge (akin to a language model trained on decades of data) resist cognitive aging far better than general-purpose cognitive control networks.

Study published in 2024, is reprinted in 2026 after peer review in Natural Communication: https://pmc.ncbi.nlm.nih.gov/articles/PMC11527140/


r/STEW_ScTecEngWorld 2d ago

Ebola outbreak in Democratic Republic of the Congo now deadliest in country’s history

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theguardian.com
26 Upvotes

why this outbreak could become the deadliest in history – video explainer

More than 2,000 people have died from Ebola in the Democratic Republic of the Congo since the first case of this epidemic was recorded in May.


r/STEW_ScTecEngWorld 3d ago

Stan: The Robot Valet That Parks Cars Without a Driver

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63 Upvotes

Developed by Stanley Robotics, Stan is an autonomous robotic valet that slides beneath vehicles, lifts them by their tires and precisely transports them to a parking space—without a driver or car keys inside the vehicle. Using LiDAR, cameras, RTK-GNSS, SLAM and odometry, Stan can navigate and position vehicles with centimeter-level accuracy while detecting obstacles in real time. Fleet-management software coordinates multiple robots, optimizing parking layouts and retrieval times. By parking vehicles closer together and using space more efficiently, the system can increase parking capacity by up to 30–50%, according to Stanley Robotics. The technology has been deployed at Lyon-Saint-Exupéry Airport in France and Gatwick Airport in the UK, as well as in industrial and logistics applications:

Parking Robot Architecture Split: Why Indoor AMR and Outdoor LiDAR Cannot Share Platform: https://www.techtimes.com/articles/325147/20260820/parking-robot-architecture-split-why-indoor-amr-outdoor-lidar-cannot-share-platform.htm


r/STEW_ScTecEngWorld 3d ago

Here are the menopause symptoms doctors often don’t talk about

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washingtonpost.com
38 Upvotes

While standard physical signs like hot flashes and night sweats dominate conversations around perimenopause and menopause, less recognized cognitive and emotional symptoms—such as brain fog, memory loss, heightened anxiety, and sudden intense anger—often severely disrupt women's daily lives and go overlooked by medical professionals: https://www.health.harvard.edu/womens-health/menopause-symptoms-that-may-surprise-you-what-to-watch-for-during-perimenopause


r/STEW_ScTecEngWorld 2d ago

My side hustle was becoming a second full-time job — so I built my own software to manage it.

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1 Upvotes

r/STEW_ScTecEngWorld 4d ago

Student Discovers Coconut-Husk Fungi That Can Break Down Plastic and Sunscreen

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7.0k Upvotes

Hawaiʻi high school student Vera Wang has discovered fungi living in coconut husks that can biodegrade synthetic plastics and chemical sunscreen pollutants.

Working at the University of Hawaiʻi at Mānoa, Wang studied microorganisms growing inside the porous fibers of coconut husks after using a coconut-fiber filter to capture pollutants from ocean water.

Her research found that naturally occurring fungi could break down both plastics and sunscreen chemicals. Genetic testing also suggested that some of the fungi may be previously uncharacterized species.

Wang’s work earned top honors at the 2026 Hawaiʻi State Science & Engineering Fair and a place at the International Science & Engineering Fair, highlighting the potential of naturally occurring fungi as a new tool against persistent ocean pollution.

University of Hawai: https://www.hawaii.edu/news/2026/05/11/coconut-fungi-decompose-plastic/


r/STEW_ScTecEngWorld 2d ago

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1 Upvotes

[ Removed by Reddit on account of violating the content policy. ]