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Medical Xpress / Mitochondria may be missing link between mental health and brain function

A stressful year leads to anxiety. Lasting isolation gives way to depression. An old trauma nags until it becomes paralyzing. Psychological and social experiences shape the brain, potentially leading to mental health issues. ...

Dec 19, 2025 in Psychology & Psychiatry
Phys.org / A delicate Antarctic balance with global climate implications

New findings about ocean processes in the Antarctic show melting ice shelves and changes to sea ice could have catastrophic implications for the global climate.

Dec 18, 2025 in Earth
Phys.org / Nudges aren't always good for society, economics study finds

Many scholars have assumed nudges—a small push that encourages better choices—are always good for society. But UC Berkeley Economics professor Dmitry Taubinsky says it's not that simple. Instead, policies that create ...

Dec 19, 2025 in Other Sciences
Phys.org / 8th-century glass reveals earliest history of Venetian glassmaking

When we think of Venetian glass, our minds leap to the blazing furnaces of Murano, to delicate filigree and the vivid colors of the Renaissance. This iconic and universally recognized image tells only part of the story. For ...

Dec 18, 2025 in Other Sciences
Tech Xplore / New study reveals that AI cannot fully write like a human

A world's first study shows that AI-generated writing continues to display distinct stylistic patterns that set it apart from human prose. Led by researchers at University College Cork (UCC), the research explores whether ...

Dec 19, 2025 in Machine learning & AI
Phys.org / Webb uncovers Milky Way's turbulent youth through galactic twins

How galaxies assemble their stars and grow over billions of years remains one of the central questions in astronomy. Recent results from the James Webb Space Telescope (JWST), including reports of surprisingly massive and ...

Dec 18, 2025 in Astronomy & Space
Phys.org / Q&A: Environmental protection benefits the American economy and public health

The benefits of environmental protection, measured in terms of advancing public health and the economy, outweigh the costs associated with implementing and enforcing environmental regulations, according to researchers at ...

Dec 19, 2025 in Earth
Phys.org / Identical micro-animals live in two isolated deep-sea environments. How is that possible?

Halalaimus is a microscopic nematode genus commonly found in sediment on the seafloor. It lives 1–5 cm below the sediment surface and grazes on bacteria or organic materials in the sediment.

Dec 18, 2025 in Biology
Phys.org / Possible 'superkilonova' exploded not once but twice

When the most massive stars reach the ends of their lives, they blow up in spectacular supernova explosions, which seed the universe with heavy elements such as carbon and iron. Another type of explosion—the kilonova—occurs ...

Dec 16, 2025 in Astronomy & Space
Tech Xplore / Putting the squeeze on dendrites: New strategy addresses persistent problem in next-generation solid-state batteries

New research by Brown University engineers identifies a simple strategy for combating a major stumbling block in the development of next-generation solid-state lithium batteries.

Dec 18, 2025 in Engineering
Phys.org / Elegant solution for measuring ultrashort laser pulses discovered

Ultrashort laser pulses—that are shorter than a millionth of a millionth of a second—have transformed fundamental science, engineering and medicine. Despite this, their ultrashort duration has made them elusive and difficult ...

Dec 18, 2025 in Physics
Medical Xpress / Aspartame sweetener cuts fat, but may harm heart and brain—even at low doses

A study by CIC biomaGUNE and Biogipuzkoa HRI conducted on mice has found that the prolonged intake of sweeteners may exert harmful effects on the function of various organs. Artificial sweeteners are widely used to reduce ...

Dec 18, 2025 in Health