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Medical News
18th Nov, 2025
phys.org
Most people interested in space exploration already know lunar dust is an absolute nightmare to deal with. We've already reported on numerous potential methods for dealing with it, from 3D printing landing pads so we don't sand blast everything in a given area when a rocket lands, to using liquid nitrogen to push the dust off of clothing. But the fact remains that, for any long-term presence on the moon, dealing with the dust that resides there is one of the most critical tasks.
At this point in history, astronomers and engineers who grew up watching "Deep Impact" and "Armageddon," two movies about the destructive power of asteroid impacts, are likely in relatively high ranking positions at space agencies. "Don't Look Up" also provided a more modern, though more pessimistic (or, unfortunately, realistic?), look at what might potentially happen if a "killer" asteroid is found on approach to Earth.
Floral scents play essential ecological roles, attracting pollinators and deterring herbivores. Geraniol, a monoterpene with a sweet, rose-like aroma, is a major commercial fragrance component widely used in the perfume and flavor industries. In most flowering plants, geraniol biosynthesis occurs in plastids and relies on precursors from the methylerythritol phosphate (MEP) pathway.
A broad association of researchers from across Lawrence Berkeley National Laboratory (Berkeley Lab) and the University of California, Berkeley have collaborated to perform an unprecedented simulation of a quantum microchip, a key step forward in perfecting the chips required for this next-generation technology. The simulation used more than 7,000 NVIDIA GPUs on the Perlmutter supercomputer at the National Energy Research Scientific Computing Center (NERSC), a U.S. Department of Energy (DOE) user facility.
Hydrogen fuels represent a clean energy option, but a major hurdle in making its use more mainstream is efficient storage. Hydrogen storage requires either extremely high-pressure tanks or extremely cold temperatures, which means that storage alone consumes a lot of energy. This is why metal hydrides, which can store hydrogen more efficiently, are such a promising option.
The world is rapidly losing its water supply, according to the World Bank's Global Water Monitoring Report. This global report, titled Continental Drying, highlights the water crisis using unprecedentedly detailed data. Researchers from the University of Twente made a key contribution to the section that reveals how much water we use, where it goes, and how we can use it more wisely.
A research team led by Associate Professor Tomoko Matsumoto from the Institute of Arts and Sciences at Tokyo University of Science, Japan, along with Associate Professor Daiki Kishishita and Associate Professor Atsushi Yamagishi, both from Hitotsubashi University, Japan, has demonstrated that providing people with information about the universal benefits of public goods significantly increases support for higher taxation.
In light of the ongoing fifteen-year megadrought in Chile, an international team of researchers, including Francesca Pellicciotti from the Institute of Science and Technology Austria (ISTA), addressed a bold future scenario. Their findings: by the end of the century, the considerably worn-out glaciers will not be able to buffer a similar megadrought. They call for coordinated global climate policies to develop effective water management strategies. The results are published in Communications Earth & Environment.
PNAS
Proceedings of the National Academy of Sciences, Volume 122, Issue 45, November 2025. Local immigration raids expanded dramatically across the United States during the first 2 mo of 2025. Anecdotal accounts suggest that these raids increased student absences from schools because parents fear being separated from their children. This study …
Proceedings of the National Academy of Sciences, Volume 122, Issue 45, November 2025. Benign and malignant (cancerous) tumors differ markedly in their impact on organismal fitness, yet studies in comparative oncology rarely distinguish between them. Using a Bayesian phylogenetic framework across birds and mammals, we show that while both …
Proceedings of the National Academy of Sciences, Volume 122, Issue 45, November 2025. SignificanceIn this work, a dense beam of electron–positron pairs is produced using protons accelerated by the Super Proton Synchrotron at CERN. The beam is propagated through an ambient plasma, analogous to pair cascades produced as blazar jets propagate …
Proceedings of the National Academy of Sciences, Volume 122, Issue 45, November 2025. SignificanceQuantum Fourier analysis is a powerful tool in mathematical physics. Here, we introduce quantum, higher-order Fourier analysis (q-HOFA). We explore some mathematical properties of this theory and show that it provides a way to quantify the …
Proceedings of the National Academy of Sciences, Volume 122, Issue 45, November 2025. SignificanceHIV type 1 (HIV-1) encodes two accessory proteins, Virion Infectivity Factor (Vif) and Viral Protein R (Vpr), that have profound effects on the cell cycle. This study demonstrates that Vif and Vpr cooperate to modulate the cell cycle in ways …
Proceedings of the National Academy of Sciences, Volume 122, Issue 45, November 2025. SignificanceMany properties of amorphous systems depend not only on the positional arrangement of the atoms in the nearest neighbor shell but also on the structure of the system on the scale of the 3 to 7 nearest neighbors, the so-called medium range …
Proceedings of the National Academy of Sciences, Volume 122, Issue 45, November 2025. SignificanceFe is essential for plant growth and human nutrition, yet its accumulation must be tightly regulated to avoid toxicity. We uncover a dual role of abscisic acid (ABA) in balancing seed Fe homeostasis: ABA inhibits Fe transport via the PYLs–bHLH …
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