Apache Tomcat flaw CVE-2025–24813 is under active exploitation, enabling remote code execution via PUT requests.
Category: futurism – Page 7
GitHub Action tj-actions/changed-files was compromised, leaking CI/CD secrets. Users must update immediately to prevent unauthorized access.
Researchers uncovered 20 malicious PyPI packages stealing cloud credentials, downloaded 14,100+ times before removal.
For cattle fattened in fields instead of feedlots, the grass may be greener, but the carbon emissions are not.
A study out Monday in the Proceedings of the National Academy of Sciences finds that even in the most optimistic scenarios, grass-fed beef produces no less planet-warming carbon emissions than industrial beef. The finding calls into question the frequent promotion of grass-fed beef as a more environmentally friendly option. Still, other scientists say grass-fed beef wins out on other factors like animal welfare or local environmental pollution, complicating the choice for conscientious consumers.
“I think that there is a large portion of the population who really do wish their purchasing decisions will reflect their values,” said Gidon Eshel, a research professor of environmental physics at Bard College and one of the study’s authors. “But they are being misled, essentially, by the wrong information.”
Imagine a world where you can have private conversations in public spaces without headphones! Researchers at Penn State have developed a way to use ultrasonic beams and 3D-printed metasurfaces to create pockets of sound that are inaudible to others.
Being able to listen to a podcast or private conversation in a crowded room—without anyone else hearing a sound. That’s the vision behind a new audio technology that creates “audible enclaves” using ultrasonic beams.
Here’s how it works: Traditional sound waves, especially low-frequency ones, tend to spread out and can’t be easily directed to a specific listener without disturbing others. But this new method uses two special ultrasonic beams that can bend around obstacles (like people’s heads) and meet at a chosen spot. While the beams themselves are silent, when they cross paths, they interact in a way that creates a small, focused zone of audible sound—an enclave—where only the intended listener can hear it.
This isn’t just a neat trick. The technology covers a wide range of sounds, from deep bass tones (125 Hz) to higher frequencies (up to 4 kHz), ensuring clear audio across six octave bands. It’s also compact and effective, even in rooms with echoes and other noise distractions.
The potential? Think private conversations in open spaces, immersive sound experiences where only you hear certain audio layers, or creating zones where sound can be precisely controlled—like playing music for one person while keeping it silent for another. It’s a futuristic approach to making sound personal, targeted, and unobtrusive.
DA-DRD5 signaling reprograms B cells to promote CD8+ T cell-mediated antitumor immunity.
Could lumpy metallic rocks in the deepest, darkest reaches of the ocean be making oxygen in the absence of sunlight?
Some scientists think so, but others have challenged the claim that so-called “dark oxygen” is being produced in the lightless abyss of the seabed.
The discovery—detailed last July in the journal Nature Geoscience —called into question long-held assumptions about the origins of life on Earth, and sparked intense scientific debate.
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Errata:
11:30 — Tantalum for copper is not a dielectric. Thanks to Patreon Tanj for the correction.
Tokyo eyes procuring 20% of future demand for vital magnet materials.
Dysprosium and terbium are used in high-performance magnets for EVs. © Reuters.