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Phys.org / Wild Canadian freshwater fish reveal opioid and antidepressant buildup downstream

Fish living downstream of wastewater treatment plants are accumulating antidepressants, opioids and other drugs of abuse in their bodies, according to a new study. Using a new analytical method they developed, a team of researchers ...

Apr 16, 2026
Phys.org / Math model reveals how life may have switched on from Earth's primordial soup

Isolating the first spark of life on Earth is a matter of biology, geology, and chemistry—but it's also an amazing math problem. At least, that's how Varun Varanasi viewed it when he was a Yale undergraduate. The question, ...

Apr 13, 2026
Phys.org / Tiny crystal defects solve decades-old mystery in organic light emitters

Materials that emit and manipulate light are at the heart of technologies ranging from solar energy to advanced imaging systems. But even in well-studied materials, some fundamental behaviors remain unexplained. Researchers ...

Apr 13, 2026
Medical Xpress / Silent B-cell mutations may build for years before thyroid autoimmunity appears

New research suggests that autoimmune diseases may be driven by DNA mutations in immune cells that remove the natural brakes on the immune system. It reveals a previously hidden role for somatic mutations—DNA changes acquired ...

Apr 14, 2026
Phys.org / AI-guided electron microscope provides unique glimpse into the world of MXenes

The use of artificial intelligence has enabled researchers at the National Laboratory of the Rockies (NLR) to gain a greater understanding of two-dimensional (2D) materials that can be useful for energy storage, water purification, ...

Apr 14, 2026
Phys.org / Island songbirds may have their own music and culture

Whether it is the climate, beaches, or simply being away from the hustle and bustle, island cultures around the world often do things differently to the mainland. It turns out this phenomenon isn't unique to humans.

Apr 14, 2026
Phys.org / CO₂ emissions from cultivated peat soils may be lower than assumed

Organic soils cover less than 9% of Norway's land area, and about 65,000 hectares are currently used as agricultural land. Emissions from these areas are presently estimated at more than 2 million tons of CO₂ equivalents ...

Apr 15, 2026
Phys.org / Understanding community effects of Asian immigrants' US housing purchases

Asian immigrants are both the fastest-growing and highest-earning immigrant ethnic group in the United States, facts that have caught the attention of many economists interested in how these groups—whether investors or residents—impact ...

Apr 17, 2026
Medical Xpress / Decade‑long wait for specialist NHS rheumatology referral from Wales to England reported

New research from Swansea University has identified significant delays and diagnostic barriers affecting rheumatology patients in Wales. The study is published in the Journal of Patient Experience.

Apr 17, 2026
Phys.org / Of gray whales that enter San Francisco Bay, nearly 18% die there, scientists find

Gray whales migrate from Arctic waters full of food to the lagoons of Baja Mexico—but as the climate crisis gathers pace, they have been sighted foraging in unexpected places. Recently, some have begun to explore the dangerously ...

Apr 13, 2026
Medical Xpress / Mitochondria keep key immune cells battle-ready by sustaining electron flow, study reveals

Researchers at the Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC) show that active mitochondria maintain dendritic cells, the immune system's sentinels, in a "ready-to-respond" state, linking cellular ...

Apr 15, 2026
Medical Xpress / Genetic atlas reveals how human liver cells divide their labor

If scientists could shrink themselves to microscopic size and take a journey through the human body—like the submarine crew in the 1966 science fiction classic "Fantastic Voyage"—one of their first stops would no doubt be ...

Apr 15, 2026