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Phys.org / E-waste chemicals are appearing in dolphins and porpoises

Liquid crystal monomers (LCMs) are critical components of laptop, television, and smartphone screens. Given their ubiquity in the environment, these compounds are considered persistent pollutants, posing threats to marine ...

Feb 25, 2026 in Earth
Medical Xpress / Vitamin B7 reveals a new metabolic weak spot in some cancers

A research group at the University of Lausanne (Unil) has identified a new mechanism that exposes the vulnerability of tumor cells when they are deprived of vitamin B7. The ability of cells to adapt to fluctuations in nutrient ...

Feb 25, 2026 in Oncology & Cancer
Phys.org / Ocean warming drives a nearly 20% annual decline in fish biomass, research confirms

According to a new study by the Museo Nacional de Ciencias Naturales (MNCN-CSIC) and the National University of Colombia, chronic ocean warming is driving a nearly 20% annual decline in fish biomass. However, the researchers ...

Feb 25, 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
Phys.org / Viruses reveal shared way to kill bacteria by jamming small transporter MurJ

Biochemists at Caltech have identified how viruses have converged on a method for killing bacteria. The researchers have homed in on an underexplored small transporter called MurJ that is a vital part of the pathway bacteria ...

Feb 25, 2026 in Biology
Phys.org / 5,000-year-old bureaucracy: Over 7,000 prehistoric seal impressions uncovered in western Iran

In the journal Antiquity, Dr. Shokouh Khosravi published preliminary findings of the largest known corpus of prehistoric seal impressions in the entire ancient world. The corpus, made up of over 7,000 seal impressions, more ...

Feb 22, 2026 in Other Sciences
Medical Xpress / Engineered liver scaffolds reveal how colorectal cancer hides and goes dormant

Colorectal liver metastases (CRLM), cancer that has spread from the colon or rectum to the liver, have a deadly reputation. Due to its pervasive spread, typical cancer treatments like chemotherapy and surgical resection often ...

Feb 26, 2026 in Oncology & Cancer
Phys.org / Australians are rethinking inner city living

In a post-COVID world, CBD living is losing appeal with Australian residents opting for lower-density housing, according to new research from Adelaide University. Published in Regional Studies, the research examined the future ...

Feb 26, 2026 in Other Sciences
Medical Xpress / 'Off the shelf' immunotherapy could get a lift from gene-edited natural killer cells

Since scientists first discovered that human immune cells could be modified to become cancer-fighting agents, they've been trying to engineer a cell that's effective against solid tumors, which account for the vast majority ...

Feb 25, 2026 in Oncology & Cancer
Tech Xplore / 'Smartphone-only' internet access deepens digital inequality, study finds

A new study examining digital behavior in Taiwan suggests that simply having internet access is no longer enough to ensure digital inclusion—a finding with growing implications for the United States as governments, schools, ...

Feb 26, 2026 in Internet
Medical Xpress / In Rett syndrome, leaky brain blood vessels traced to microRNA

MIT researchers have discovered that two common genetic mutations that cause Rett syndrome each set off a molecular chain of events that compromises the structural integrity of developing brain blood vessels, making them ...

Feb 25, 2026 in Neuroscience
Medical Xpress / App aids substance use recovery in vulnerable populations

Although drug overdose deaths declined in the U.S. last year, the rate of substance use disorder is rising, and the problem remains undertreated: Fewer than one in five people with substance use disorder report that they've ...

Feb 26, 2026 in Addiction