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Phys.org / Brazil seeks to assert itself as an environmental and food power, but can't overcome its extractive industries

On the eve of COP 30, Brazil seeks to assert itself as an environmental and food power, but it carries contradictions that weaken this narrative. In a speech at the opening of the 80th UN General Assembly, President Lula ...

7 hours ago in Earth
Phys.org / Collaboration completes richest observation run of gravitational signals to date

The international LIGO-Virgo-KAGRA Collaboration has completed the fourth observation campaign (called O4) of the international network of gravitational wave detectors. Launched in May 2023, the campaign ends after a period ...

14 hours ago in Astronomy & Space
Tech Xplore / High-entropy superalloy could push jet engine performance to new limits

A novel cobalt (Co)- and nickel (Ni)-based high-entropy superalloy (CoNi-HESA) capable of withstanding higher operating temperatures could prove a step toward more powerful and fuel-efficient aircraft engines.

14 hours ago in Engineering
Medical Xpress / Molecule: What's in this dangerous, illegal slimming pill?

It's the kind of promise that stops thumbs mid-scroll: "Take Molecule and forget food exists." Viral TikTok clips show influencers flaunting rapid weight-loss transformations, tapping into the body image concerns that leave ...

12 hours ago in Medications
Medical Xpress / High blood pressure more common among people with multiple sleep disorders

The likelihood of high blood pressure is clearly higher among people who have both sleep apnea and insomnia. This is shown by a study from the University of Gothenburg.

13 hours ago in Cardiology
Medical Xpress / Health impacts of eating disorders complex and long-lasting, study finds

The health impacts of eating disorders, such as anorexia, bulimia, and binge eating, are not only complex, affecting many different organ systems, but long-lasting, finds a large tracking study, published in the open access ...

12 hours ago in Psychology & Psychiatry
Phys.org / Hollow glass fiber sensors withstand extreme radiation in particle accelerator tests

A slender glass fiber no thicker than a human hair placed across a particle beam could improve accelerator monitoring. A team is testing the use of hollow-core optical fibers to measure the profile and position of the beams ...

15 hours ago in Physics
Tech Xplore / Wireless image transmission technique filters redundant data intuitively—just like a human

A new AI-driven technology developed by researchers at UNIST promises to significantly reduce data transmission loads during image transfer, paving the way for advancements in autonomous vehicles, remote surgery and diagnostics, ...

14 hours ago in Computer Sciences
Phys.org / A new way for coastal planners to explore the costs of rising seas

Water levels are creeping upward on shorelines across the world, and decision-making systems are not keeping up. One barrier to including sea level rise projections in adaptation plans is limited information on the full range ...

15 hours ago in Earth
Medical Xpress / Researchers explore how neurological activity gives rise to human experience

Humans know they exist, but how does "knowing" work? Despite all that's been learned about brain function and the bodily processes it governs, we still don't understand where the subjective experiences associated with brain ...

15 hours ago in Neuroscience
Medical Xpress / Looking good isn't everything: Researchers assess AI method for processing medical images

Artificial intelligence has exploded in popularity in recent years, and many proponents are excited about its potential uses in medicine: for example, processing samples quickly or identifying markers of disease that may ...

15 hours ago in Radiology & Imaging
Medical Xpress / Early immunotherapy shows promising results in advanced basal cell carcinoma

A new study led by researchers at the Johns Hopkins Kimmel Cancer Center found that patients with advanced basal cell carcinoma (BCC) may benefit from receiving immunotherapy earlier in the course of treatment.

15 hours ago in Oncology & Cancer