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Phys.org / Why is almost everyone right-handed? The answer may lie in how we learned to walk

It is one of the strangest puzzles in human evolution. About 90% of people across every human culture favor their right hand—with no other primate species showing a population-level preference on this scale. Despite decades ...

43 minutes ago
Phys.org / Implantable bacteria can now be safely contained, clearing a major hurdle for fighting infection and cancer

Researchers have long known that bacteria could potentially be used to deliver therapeutic drugs inside the human body. However, safely and successfully carrying out such a feat in humans has been a challenge. But now, researchers ...

42 minutes ago
Medical Xpress / Popular workout supplement may blunt heart benefits of exercise in women

A supplement widely promoted for athletic performance may interfere with some of the heart's beneficial adaptations to exercise, according to new Dalhousie University research published in Scientific Reports.

43 minutes ago
Phys.org / Climate warming causes bleaching in key Arctic lichen, study finds

Long-term climate warming is causing a bleaching effect in a key Arctic lichen species, according to new research led by researchers in the School of GeoSciences and British Antarctic Survey. Their study shows how rising ...

23 minutes ago
Phys.org / Sunlight-powered generation of correlated photon pairs

Pairs of correlated or entangled photons are a foundational resource in quantum optics. They are most commonly produced through spontaneous parametric down-conversion (SPDC), a nonlinear optical process that typically relies ...

3 minutes ago
Medical Xpress / Nature may benefit psychological well-being of disadvantaged children more than others

Growing up in disadvantaged communities can take a toll on children, with greater stress leading to mental health issues and delays in psychological development. But a decade's worth of research suggests there's an effective ...

1 hour ago
Phys.org / Researchers identify enzyme that prevents chromosome breaks during DNA copying

Researchers at The University of Texas Medical Branch (UTMB) have identified how a key enzyme called ATR protects DNA from breaking when cells copy damaged genetic material, a discovery that could affect how certain cancer ...

43 minutes ago
Medical Xpress / Novel CAR T cell therapy moves into clinical studies

The University of Texas MD Anderson Cancer Center and CTMC, a joint venture between UT MD Anderson and Resilience, today announced that the Food and Drug Administration (FDA) has issued a 'safe to proceed' for the Investigational ...

3 minutes ago
Medical Xpress / Study reveals promising new therapy for non-Hodgkin lymphoma

Not all cancers respond to the same treatments or have the same genetic origins. Epstein–Barr virus (EBV), a common and highly contagious virus, has been found to cause certain cancers, including non-Hodgkin lymphoma (NHL). ...

3 minutes ago
Medical Xpress / Azithromycin exposure during pregnancy not tied to neurodevelopmental disorders, study finds

Azithromycin exposure in pregnancy was not associated with neurodevelopmental disorders in offspring, according to a retrospective cohort study, and use in late pregnancy was linked with some lower risks.

1 hour ago
Medical Xpress / Improving the treatment of Lassa fever: First clinical trial with favipiravir shows promising results

The infectious disease Lassa fever can be fatal, and there is a lack of treatment options with proven efficacy. Researchers at the Bernhard Nocht Institute for Tropical Medicine (BNITM) and the University Medical Center Hamburg-Eppendorf ...

23 minutes ago
Medical Xpress / Ultra-processed foods are not all created equal, and new guidance could reshape school lunches and food rules

A new report underscores the significant variations in healthfulness of different types of processed foods. The report, released by Healthy Eating Research (HER), recommends that "healthy" ultra-processed foods be exempt ...

43 minutes ago