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Phys.org / California has lost more than half of its coastal sand dunes, first-ever assessment reveals

A study conducted by UC Santa Barbara researchers and collaborators has found that California has lost more than half of its coastal dune systems. The researchers' assessment—the first of its kind for the California coast—estimates ...

1 hour ago
Phys.org / Titan and Pluto exhibit the same mysterious spectral feature—and researchers can't figure out its origin

Researchers are constantly sifting through new spectral data gathered by powerful telescopes, like the James Webb Space Telescope (JWST). Most of the time, when they identify spectral features—specific absorption or emission ...

8 hours ago
Phys.org / A minimal model for how a cell takes shape from the inside

Researchers at the University of Twente and Utrecht University have packed rigid, rod-shaped particles into soft lipid containers the size of a living cell and watched the container and its contents reshape each other. The ...

3 hours ago
Phys.org / Bird-derived gene tool inserts plant DNA 30 times more efficiently than CRISPR

In a rapidly changing climate landscape, the plants we rely on for food, textiles and more face a multitude of challenges, including rising temperatures, drought and disease. Caltech's Gözde Demirer, the Clare Boothe Luce ...

2 hours ago
Phys.org / Chaotic polymer vibrations may unlock stronger, flexible thermal insulators

University of Massachusetts Amherst researchers have demonstrated a possible new avenue for developing flame-retardant and generally low-conductivity (low-heat-transfer) plastics that retain the benefits of being strong and ...

2 hours ago
Medical Xpress / Targeted IL-15 drug in patient testing revives exhausted T cells without triggering severe inflammation

For some people, cancer immunotherapies are life-changing. These treatments can turn the body's own immune system against a tumor, either eliminating it or shrinking it enough to make surgery possible. But these therapies ...

4 hours ago
Phys.org / How languages recycle parts of words to avoid confusion

Many languages recycle words, giving them different meanings. For example, in English, "run" can mean to move quickly but also to manage something, like "run a company." In Spanish, "lengua" is both the word for tongue and ...

7 hours ago
Medical Xpress / Two patients with severe autoimmune disease remain relapse-free for over 15 years after stem cell transplant

Neuromyelitis optica spectrum disorder (NMOSD) is a rare autoimmune condition in which the body's own defenses turn against the optic nerves and spinal cord. This confusion leads to inflammation that can rob people of their ...

8 hours ago
Tech Xplore / Microscopic image changes can bypass AI guardrails, nearly doubling unsafe responses

It may look like a picture of a panda bear to you, but to your business's AI agent, it can act like a skeleton key, bypassing safety safeguards and potentially causing the model to generate harmful, misleading or policy-violating ...

4 hours ago
Tech Xplore / 3D photothermal design unlocks 8.5-fold higher solar evaporation for desalination and crop irrigation

The global shortage of freshwater has become a critical challenge. Conventional water treatment relies heavily on fossil fuels and associated infrastructure, which can make it unsuitable for remote and harsh regions. In contrast, ...

2 hours ago
Dialog / Documented concussions in NFL players linked to higher odds of arrest

Football is a lab for studying the many dimensions of head injury. From defensive backs running at the pace of a sprinter downhill into a 220-pound muscular running back at full speed, to 400-plus-pound linemen knocking heads ...

2 hours ago
Phys.org / Experiment upends beliefs on how electrons actually behave in warm dense matter

Researchers at European XFEL, Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Rostock University and other collaborating institutions have used high-precision experiments to demonstrate that the most widely used models for the ...

2 hours ago