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Phys.org / Ultrafast UV-C laser pulses generated and detected using 2D materials

Scientists have developed a new platform for the generation and detection of ultrashort UV-C laser pulses on femtosecond timescales. This breakthrough could unlock new opportunities for transforming optical wireless communication ...

Nov 26, 2025 in Physics
Phys.org / Counting salmon is a breeze with airborne eDNA

During the annual salmon run last fall, University of Washington researchers pulled salmon DNA out of thin air and used it to estimate the number of fish that passed through the adjacent river. Aden Yincheong Ip, a UW research ...

Nov 26, 2025 in Biology
Medical Xpress / Missing cancer gene explains why some lung tumors respond well to immunotherapy

For some patients with the most common type of lung cancer, known as lung adenocarcinoma, there's new hope. In a new study published in Cell Reports, Mayo Clinic researchers have found several previously unknown genetic and ...

Nov 26, 2025 in Oncology & Cancer
Phys.org / Ancient hominin fossils reveal two human ancestors lived side by side

With the help of newly identified bones, an enigmatic 3.4-million-year-old hominin foot found in 2009, is assigned to a species different from that of the famous fossil Lucy providing further proof that two ancient species ...

Nov 26, 2025 in Biology
Medical Xpress / Reducing social media use for just a week can improve mental health

In a new study, published in JAMA Network Open, 295 participants report promising mental health benefits after reducing their social media usage for a week. The cohort consisted of young adults from the ages of 18 to 24—the ...

Nov 25, 2025 in Psychology & Psychiatry
Phys.org / Starquakes reveal red giant's turbulent history and rapid spin in black hole system

Astronomers from the University of Hawaiʻi Institute for Astronomy (IfA) have uncovered the turbulent past of a distant red giant by listening to its celestial "song." Subtle variations in the star's brightness suggest that ...

Nov 26, 2025 in Astronomy & Space
Phys.org / Newly identified fossil fish from England's Jurassic Coast reveals insights into an extinct group

In a study by Dr. Martin Ebert and Dr. Steve Etches published in the Zoological Journal of the Linnean Society, the osteology and systematic position of a new species of fossil fish, Brachyichthys manselii comb. nov. was ...

Nov 25, 2025 in Biology
Phys.org / Uncovering a new genetic code in archaea opens doors for bioengineering applications

The genetic code is the recipe for life, and provides the instructions for how to make proteins, generally using just 20 amino acids. But certain groups of microbes have an expanded genetic code, in which one or two additional ...

Nov 26, 2025 in Biology
Medical Xpress / High risk of metastatic recurrence found among young cancer patients

A new study of adolescents and young adults (AYAs) with seven common cancers reveals that nearly one in ten patients diagnosed with non-metastatic disease later develop metastatic recurrence—a condition associated with ...

Nov 26, 2025 in Oncology & Cancer
Medical Xpress / New study shows why some minds can't switch off at night

Australian researchers have found compelling evidence that insomnia may be linked to disruptions in the brain's natural 24-hour rhythm of mental activity, shedding light on why some people struggle to "switch off" at night.

Nov 26, 2025 in Neuroscience
Phys.org / OLEDs can now switch light's handedness with an electrical signal

Researchers from the University of Oxford have for the first time discovered an approach to electrically switch organic LEDs (OLEDs) to emit either left- or right-handed circularly polarized light without changing the light-emitting ...

Nov 26, 2025 in Physics
Medical Xpress / 'Body-swap' robot helps reveal how the brain keeps us upright

What if a robot could show us how the brain keeps us balanced? UBC scientists built one—and their discovery could help shape new ways to reduce fall risk for millions of people.