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New p-wave magnet with helix spin structure could enable smaller computer chips

A novel magnetic material with an extraordinary electronic structure might allow for the production of smaller and more efficient computer chips in the future: the p-wave magnet. Researchers from Karlsruhe Institute of Technology (KIT) were involved in its development.

The magnetic behavior in the interior of this material results from the way the electron spins arrange themselves—in the shape of a helix. Therefore, the electric current flowing through is deflected laterally. The results are published in Nature.

Magnetism, as we experience it every day, makes us usually think of materials such as iron, nickel, or cobalt that generate permanent magnetic fields or are attracted by magnetic forces. In these ferromagnetic materials, the spins, i.e. the moments of all electrons, move in the same direction.

New substitution method enables high-precision nuclear reaction measurements using natural copper

A joint research team has made important progress in the field of photoneutron cross section measurement. The team proposed a substitution measurement method that avoids the use of expensive and hard-to-prepare high-purity isotope targets, successfully measuring the 65 Cu(γ, n)64 Cu reaction cross section with high precision. This method only relies on natural copper (natCu) and previously measured copper-63 (63 Cu) data, without modifying experimental facility parameters, making it simple, efficient, and low-cost.

The related research results have been published in the journal Nuclear Science and Techniques. The team includes researchers from Henan Normal University, Shanghai Advanced Research Institute of the Chinese Academy of Sciences, Shanghai Institute of Applied Physics of the Chinese Academy of Sciences, and other institutions.

BPA-Free? New Study Shows Popular Replacements May Harm Human Cells

Researchers report that some chemicals used in printed food-package stickers as replacements for bisphenol A can still disrupt human ovarian cell function. Chemicals that have taken the place of bisphenol A (BPA) in food packaging may cause potentially harmful changes in human ovarian cells, acco

Hidden Brain Energy Leak Links Stress to Depression and Anxiety

Scientists found that reduced ATP signaling in the hippocampus can trigger both depression and anxiety in mice.

Lower ATP levels and a drop in connexin 43 expression appeared to make stressed animals more vulnerable. Manipulating this protein alone was enough to produce mood-related symptoms, while restoring it reversed them.

ATP Signaling and Mood Disorders.

Mysterious Structures Discovered Beneath Earth May Explain Why Our Planet Supports Life

A Rutgers researcher and collaborators have linked unusual geological anomalies to Earth’s molten origins and its unique habitability. For many years, researchers have struggled to understand two enormous and puzzling formations hidden deep within Earth. Their immense size and unusual traits make

Matrix Push C2 Uses Browser Notifications for Fileless, Cross-Platform Phishing Attacks

That’s not all. Since the attack plays out via the web browser, it’s also a cross-platform threat. This essentially turns any browser application on any platform that subscribes to the malicious notifications to be enlisted to the pool of clients, giving adversaries a persistent communication channel.

Matrix Push C2 is offered as a malware-as-a-service (MaaS) kit to other threat actors. It’s sold directly through crimeware channels, typically via Telegram and cybercrime forums, under a tiered subscription model: about $150 for one month, $405 for three months, $765 for six months, and $1,500 for a full year.

“Payments are accepted in cryptocurrency, and buyers communicate directly with the operator for access,” Dr. Darren Williams, founder and CEO of BlackFog, told The Hacker News. “Matrix Push was first observed at the beginning of October and has been active since then. There’s no evidence of older versions, earlier branding, or long-standing infrastructure. Everything indicates this is a newly launched kit.”

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