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Phys.org / Orca tail dolphins to hunt salmon—and may share the catch

Killer whales or orca (Orcinus orca) have been observed hunting with Pacific white-sided dolphins (Lagenorhynchus obliquidens) in the waters off British Columbia, Canada, and sharing fish scraps with them after making a kill, ...

Dec 11, 2025 in Biology
Medical Xpress / FDA approves first stem cell therapy for severe aplastic anemia

The U.S. Food and Drug Administration has approved Omisirge (omidubicel-onlv) as the first hematopoietic stem cell transplant therapy to treat patients with severe aplastic anemia (SAA).

Phys.org / Twisting spins: Researchers explore chemical boundaries to create new magnetic material

Florida State University researchers have created a new crystalline material with unusual magnetic patterns that could be used for breakthroughs in data storage and quantum technologies.

Dec 11, 2025 in Chemistry
Phys.org / Infrared radiation may be one of the most ancient plant signals to pollinating insects

Harvard researchers have discovered that cycads—one of the oldest living lineages of seed plants—heat up their reproductive organs to attract beetle pollinators and the insects possess infrared sensors to detect these ...

Dec 11, 2025 in Biology
Medical Xpress / Biomedical authors often call a reference 'recent'—even when it is decades old, analysis shows

Authors in biomedical journals frequently describe cited evidence as "recent," yet the actual age of the references behind these phrases has rarely been measured.

Dec 11, 2025 in Medical research
Phys.org / A biochip built for the next pandemic can test dozens of viral antigens at once

In 2020, as scientists around the world were racing to understand COVID-19, Prof. Roy Bar-Ziv and his team at the Weizmann Institute of Science started developing a DNA chip that could not only quickly show how our immune ...

Dec 11, 2025 in Nanotechnology
Phys.org / An unrelenting tule fog

An atmospheric phenomenon occurring over much of California was unmistakable in satellite imagery in late autumn 2025. Fog stretching some 400 miles (640 kilometers) across the state's Central Valley appeared day after day ...

Dec 12, 2025 in Earth
Medical Xpress / Priming for depression in a dimly lit world

St. Hedwig Hospital and Charité–Universitätsmedizin Berlin researchers report that repeated mornings spent under dim indoor light in healthy young adults raised afternoon and evening cortisol and reshaped sleep in ways ...

Dec 9, 2025 in Psychology & Psychiatry
Medical Xpress / Untreated sleep apnea tied to early heart aging and death

A new study published in npj Aging provides compelling evidence that untreated obstructive sleep apnea (OSA) accelerates cardiovascular aging and significantly increases the risk of premature death.

Dec 11, 2025 in Cardiology
Tech Xplore / AI can pick up cultural values by mimicking how kids learn

Artificial intelligence systems absorb values from their training data. The trouble is that values differ across cultures. So an AI system trained on data from the entire internet won't work equally well for people from different ...

Dec 11, 2025 in Computer Sciences
Phys.org / Lab-developed mosquitoes prevent malaria parasite development, paving way for future field trials

In a new study published in Nature, scientists have successfully developed genetically modified mosquitoes in Tanzania that block the transmission of malaria. The team includes researchers from the Ifakara Health Institute ...

Dec 11, 2025 in Biology
Medical Xpress / Study uncovers beneficial relationship between gardening and osteoarthritis

Gardening/yardwork is one of the few forms of leisure physical activity that people tend to do more as they age. Osteoarthritis is the most common form of arthritis and a major cause of disability that also tends to occur ...

Dec 12, 2025 in Arthritis & Rheumatism