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Phys.org / Living tissues are shaped by self-propelled topological defects, biophysicists find

With a new mathematical model, a team of biophysicists has revealed fresh insights into how biological tissues are shaped by the active motion of structural imperfections known as "topological defects." Published in Physical ...

Feb 20, 2026 in Physics
Phys.org / Canada's Magdalen Islands' peatlands hold vital clues about ancient Atlantic hurricanes

Eastern Canada has seen a rise in the number of hurricane- and near-hurricane strength events battering its maritime areas, with particularly violent storms in 2003 (Hurricane Juan), 2019 (Dorian) and 2022 (Fiona). While ...

Feb 24, 2026 in Earth
Phys.org / Symbiotic bacteria in planthoppers break record for smallest non-organelle genome ever found

Many insects rely on heritable bacterial endosymbionts for essential nutrients that they cannot get through their diet. A new study, published in Nature Communications, indicates that the genomes of these symbiotic bacteria ...

Feb 20, 2026 in Biology
Medical Xpress / Yawns in healthy fetuses might indicate mild distress

Even in the womb, where all oxygen is provided by the parental placenta, fetuses can—and do—yawn. More yawns during observation were associated with a lower weight at birth—potentially indicating mild fetal stress in ...

Feb 25, 2026 in Obstetrics & gynaecology
Medical Xpress / Trust your gut to heal your brain: Antibiotics may aid recovery from traumatic brain injury

In a new study published in Communications Biology, Houston Methodist researchers led by Sonia Villapol, Ph.D., found that short-term antibiotic treatment significantly reduced neuroinflammation and neurodegeneration following ...

Feb 26, 2026 in Neuroscience
Medical Xpress / Study finds more parents saying 'no' to vitamin K at birth, putting babies' brains at risk

Increasing numbers of parents are refusing vitamin K shots for their newborns, putting infants at greater risk of avoidable brain injuries, according to a preliminary systematic review released February 26, 2026, that will ...

Feb 26, 2026 in Pediatrics
Medical Xpress / Gallbladder cancer could soon be detected in blood

Researchers at Tezpur University in Assam, India, working with scientists at the University of Illinois Urbana-Champaign, have identified distinct chemical signatures in blood that could help detect gallbladder cancer earlier. ...

Feb 25, 2026 in Oncology & Cancer
Medical Xpress / Lymphovenous bypass could be potential surgical treatment for Alzheimer's disease

A small but growing body of evidence suggests that a minimally invasive surgical procedure called lymphovenous anastomosis (LVA) might be an effective treatment for Alzheimer's disease (AD), according to a special article ...

Medical Xpress / Nutrient timing found to influence gene activity in adipose tissue

Human metabolism is regulated by internal clocks, the so-called circadian rhythms. Many processes, such as sugar uptake, fat burning, or hormone release, oscillate during the day, i.e., they fluctuate and exhibit characteristic ...

Feb 26, 2026 in Genetics
Phys.org / An acoustic telemetry network reveals the connectivity of the gilthead seabream in the Mediterranean

The gilthead seabream, a species of commercial interest that migrates seasonally, does not form independent local populations in the northwestern Mediterranean but instead constitutes a single, functionally connected population ...

Feb 26, 2026 in Biology
Phys.org / Global greening: Study shows Earth's green wave is shifting northeast

A team of scientists led by the German Center for Integrative Biodiversity Research (iDiv), the Helmholtz Center for Environmental Research (UFZ), and Leipzig University has developed a new method to track Earth's greenness—a ...

Feb 23, 2026 in Earth
Phys.org / Improved short-term sea level change predictions achieved with better AI training

Sea level can temporarily change for a variety of reasons—atmospheric pressure shifts and water accumulation from wind and storms, for example—which can cause flooding in coastal communities and affect maritime industry ...

Feb 26, 2026 in Earth