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Medical Xpress / Global maternal deaths fell in 2023, but more than 100 countries still fall short of maternal mortality target: Study

Global maternal deaths have declined over the past three decades, yet progress has slowed in recent years and remains uneven across countries, according to new Global Burden of Disease (GBD) 2023 research published in The ...

1 hour ago in
Phys.org / Beyond lipid nanoparticles: How custom polymers and AI may reshape gene therapies

Nucleic acids such as DNA and RNA play a central role in gene therapies and vaccines. They store and transmit biological information. In order for them to work in the body, they must enter the cells using chemical carrier ...

2 hours ago in Nanotechnology
Medical Xpress / A connection to nature fuels well-being worldwide, according to a study of 38,000 people

When life feels overwhelming, many people instinctively turn to nature. A walk in a park. Sitting by the ocean. Watching a sunset. Is this just a pleasant feeling, or is there something deeper at work?

22 hours ago in
Medical Xpress / Study shows prenatal stressors are independently associated with more infant inflexibility

A study of 1,585 pregnant women during the COVID-19 era reveals that prenatal risk as defined by a multitude of maternal psychosocial stressors is associated with greater infant inflexibility and difficulty with routines ...

Mar 25, 2026 in
Phys.org / Significant grade inflation may be occurring in graduate education, according to decades' worth of data

Analysis of two decades of student data at a large U.S. university suggests that grade inflation exists in graduate education. Researcher Vivien Lee and colleagues at the University of Minnesota, U.S., present these findings ...

Mar 25, 2026 in Other Sciences
Phys.org / Uncovering the evolutionary limits of the COVID-19 virus

A new paper in Genome Biology and Evolution, indicates that while the COVID-19 virus has developed rapidly since 2019, it has done so within limited genetic channels. These genetic limits have remained unchanged. Despite ...

Mar 25, 2026 in Biology
Medical Xpress / Genomic surveillance enables characterization of tuberculosis distribution in Catalonia

A research team led by the Germans Trias i Pujol Research Institute (IGTP), the Germans Trias i Pujol University Hospital and the Institute of Biomedicine of Valencia (IBV-CSIC) has published in the journal Frontiers in Microbiology ...

Mar 24, 2026 in
Medical Xpress / Screening, preventive treatment program reduces TB incidence 83% among Tibetan children in northern India

A recently released prospective analysis of the first eight years of the Johns Hopkins Medicine-led Zero TB in Kids program shows that significant reduction of tuberculosis (TB) transmission and burden (the total impact of ...

Mar 24, 2026 in
Phys.org / Boys ditch books when schools close—girls keep reading: Study

When holidays or pandemics shut down schools, gender differences in children's reading habits widen; boys stop reading, while girls continue, according to a new study from the University of Copenhagen. The researchers say ...

Mar 24, 2026 in Other Sciences
Phys.org / A much more sensitive fentanyl detection strip, thanks to physics

Following the beginning of the COVID-19 outbreak, lateral flow assays (LFAs)—the category of test strips in which the presence or lack of a pink line indicates whether a specific molecule, like a drug or a virus, has been ...

Mar 24, 2026 in Nanotechnology
Medical Xpress / Study shows COVID-19 disrupted young children's executive function development

Executive function skills are a set of inter-related processes that support attention, self-control, and goal-directed behavior. Executive function has been linked to positive outcomes across multiple domains of development. ...

Mar 24, 2026 in
Phys.org / New lipid nanoparticle design improves precision of mRNA vaccine delivery

Penn Engineers have redesigned a key component of lipid nanoparticles (LNPs), the delivery vehicles behind mRNA vaccines, to steer the particles toward lymph nodes while reducing off-target delivery to the liver. The advance ...

Mar 24, 2026 in Nanotechnology