Pandemic Stress May Have Aged Brains Irrespective of Infection

A new study reveals that the COVID-19 pandemic accelerated biological brain aging even in people who were never infected. Using MRI scans and artificial intelligence, researchers observed brain changes in over 3,000 individuals in the UK Biobank. Those scanned after the pandemic began showed signs of brain aging equivalent to several years more than their actual age, particularly in regions linked to memory and cognition. The results suggest pandemic-related stressors, such as isolation and disruption of daily life, may have driven these effects. The findings add to a growing body of evidence that the psychological and environmental impact of the pandemic may have lasting neurological consequences, beyond the direct effects of SARS-CoV-2 infection. (CIDRAP)

Lawmakers Reject Trump Proposal to Slash Global Health Funds

A key U.S. House spending panel rejected former President Donald Trump’s controversial proposal to drastically cut global health funding. The proposed cuts would have slashed over $4 billion from programs tackling malaria, HIV/AIDS, maternal health, and pandemic preparedness. Instead, the bipartisan committee opted to maintain funding for critical initiatives such as PEPFAR and the Global Fund. Public health experts warn that the cuts would have undermined global health security and jeopardized decades of progress. Lawmakers emphasized that sustaining these efforts is vital for both humanitarian and strategic reasons, especially in a post-pandemic world where global outbreaks can quickly escalate into global crises. The decision signals continued Congressional resistance to isolationist health policies. (Science)

FDA Launches Fast-Track Program to Boost Drug Affordability and Access

The FDA has introduced a new “National Priority” fast-track program aimed at expediting drug reviews that promote onshoring and lower costs. Eligible applications will receive priority and two-month reviews, particularly for generic and biosimilar drugs, or those addressing drug shortages. The initiative responds to national concerns about drug supply chain vulnerabilities and affordability. Developers must demonstrate how their products support public health goals, including domestic manufacturing or price reductions. The move signals an aggressive push to modernize drug access and promote pharmaceutical resilience in the U.S. market. Industry groups largely welcomed the effort, though its implementation details and long-term impact remain to be seen. (Fierce Biotech)

Laser Experiment on Gold Unexpectedly Undermines Key Physics Model

In a high-energy laser experiment, physicists attempting to create extreme states of matter by blasting gold with powerful lasers unexpectedly invalidated a well-known model of plasma physics. The team at Lawrence Livermore National Laboratory observed behavior in the electron distribution of the gold plasma that contradicted the widely accepted Lee-More model used in nuclear fusion simulations. The findings suggest that under certain conditions, electrons behave in ways not previously predicted, casting doubt on long-standing computational assumptions in high-energy-density physics. This accidental discovery may prompt revisions in how fusion plasmas and planetary interiors are modeled, with implications for both scientific understanding and applied technologies like nuclear fusion energy. (GIzmodo)

Best-ever Map of Human Genome Unveiled

Scientists have produced the most comprehensive human genome map to date, revealing numerous previously hidden regions—often dubbed “junk” DNA—that play important roles in gene regulation and structural variation. Capitalizing on advanced sequencing technologies and assembly techniques, the project identified novel sequences linked to disease, developmental processes, and genetic diversity across populations. This refined genomic blueprint improves our understanding of mobile elements (“jumping genes”) and provides a powerful foundation for better diagnostics, personalized medicine, and evolutionary biology. The research—releasing two major papers—marks a milestone in genomics, promising to reshape approaches to genetic disorders and shed light on the genome’s complex functionality. (Live Science)

Trump’s Campaign Embraces Biased AI Chatbots for Outreach

Donald Trump’s campaign is testing AI chatbots trained to reflect his political rhetoric and views. These bots are designed to engage with voters in a conversational style aligned with Trump’s stances, even echoing conspiratorial or racially charged language. The initiative raises concerns about bias, misinformation, and regulatory gaps, as current U.S. law does not prevent the use of politically biased AI. Critics warn that such technology could distort political discourse and deepen divisions. The move reflects a broader trend of political campaigns experimenting with generative AI tools for messaging and voter interaction, further complicating efforts to ensure transparency and fairness in electoral communications. (New York Times)

AI‑Designed Carbon‑Capturing Concrete

Using generative AI, scientists have designed new concrete formulations that not only last centuries but also capture CO₂ during curing. By analyzing chemical compositions and material properties, the AI optimizes mixes with additives that sequester carbon in crystalline structures. Initial tests show these concretes perform better in durability and environmental footprint compared to conventional mixes—offering a pathway to decarbonize one of the world’s highest-carbon industries. The research integrates machine learning with materials science, paving the way for industrial-scale adoption of greener building materials that lock atmospheric CO₂ into infrastructure. (Science Daily)

South Korea Sets Bold Goal for Lunar Base Within 20 Years

South Korea has announced an ambitious plan to construct a space base on the Moon by 2045. The government pledged $1.4 billion to develop the necessary technologies and spacecraft, with plans to launch an independent lunar lander by 2032. The project is part of the country’s broader strategy to become a leading space power and reduce reliance on foreign technology. South Korea also plans to collaborate with international partners, potentially leveraging existing space station experience. The initiative positions the country among the few pursuing long-term human and robotic lunar infrastructure and reflects a growing geopolitical and scientific interest in lunar development. (Wired)

Earth Spins Faster, Shortening Days

This summer has brought unprecedented acceleration in Earth’s rotation, leading to days that are microscopically shorter. On July 10, the day was 1.36 milliseconds shorter than the 24‑hour standard, with similar compressions on July 22 (1.34 ms) and forecasts around August 5 (1.25 ms). Though imperceptible to daily life, these variations challenge precision systems—atomic clocks, GPS networks, financial time-stamping, and digital communications rely on exact time synchronization. Scientists attribute this shift to mass redistribution from melting ice caps tied to climate change, which speeds up Earth’s spin. Coordinated Universal Time (UTC) may require an adjustment—possibly a negative leap second—a first in history to realign human clocks to celestial mechanics. (Times of India)

Rare Medieval Knight Burial Discovered in Polish CemeteryArchaeologists in Poland have uncovered a rare 13th-century knight’s grave containing elite weapons, armor fragments, and horse remains. Found during construction near Płock, the burial included a sword, two spears, and stirrups—indicating the man was a mounted warrior of high status. The grave’s opulence and isolation from other burials suggest he held a significant role, possibly a noble or military commander. The find sheds light on the burial customs and military hierarchy of medieval Poland. Researchers are now studying the artifacts and planning further excavations to understand the site’s broader historical context and potentially uncover additional graves nearby. (CNN)