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Phys.org / Early human embryonic cells may be vulnerable to SARS-CoV-2 infection

A University of California, Riverside study reports that cells in the earliest stages of human development could be susceptible to infection by SARS-CoV-2, which causes COVID-19, offering new insight into how the virus interacts ...

May 2, 2026
Phys.org / Why did Clovis toolmakers choose difficult quartz crystal? New study offers clues

Quartz crystals are difficult to knap due to size, hardness, and crystalline structure, making them a "low-quality" raw material. However, the Clovis people of North America sometimes made points and other tools from this ...

Apr 26, 2026
Medical Xpress / Physicians benefit from AI when making nuanced clinical decisions, study shows

Artificial intelligence-powered chatbots are getting pretty good at diagnosing some diseases, even when they are complex. But how do chatbots do when guiding treatment and care after the diagnosis? For example, how long before ...

May 2, 2026
Medical Xpress / Why some aplastic anemia patients recover: Protective blood stem cell clones may restore marrow

Aplastic anemia is a rare, life-threatening blood disorder where patients are unable to make enough blood cells due to the immune system's attack on blood stem cells. The condition can progress to myelodysplastic syndrome ...

May 1, 2026
Medical Xpress / Major depression in women and girls peaks two weeks after giving birth, study finds

Major depression fluctuates during and after pregnancy but has the highest prevalence two weeks after giving birth, a University of Queensland study has found. Researchers used data from 780 studies, collected from more than ...

May 1, 2026
Phys.org / Laser-plasma accelerators can preserve polarization of Helium-3 ions

Particle accelerators such as those at the European Organization for Nuclear Research (CERN) in Geneva are typically highly complex large-scale devices. In these ring-shaped facilities, which are often several kilometers ...

Apr 30, 2026
Phys.org / Immigrants help address the US eldercare shortage, analysis shows

Good caregivers are often in short supply, but after the COVID-19 pandemic hit the U.S. in early 2020, staff levels at nursing homes dropped by 10%. What was a simple personnel shortage has moved closer to being a nursing-care ...

May 2, 2026
Medical Xpress / One of the world's most common knee surgeries does not help and may even be harmful

Partial meniscectomy does not improve patient symptoms or function, reveals a 10-year follow-up of the FIDELITY, a placebo-surgery controlled trial published in the New England Journal of Medicine.

Apr 29, 2026
Medical Xpress / A routine virus can slow breast cancer spread to the lungs, offering hidden protective power

Respiratory syncytial virus (RSV), mostly infects the lungs, nose, throat, and respiratory tract, and can cause illness ranging from mild cold and fever-like symptoms to severe pneumonia and bronchitis. A recent study has ...

Apr 29, 2026
Medical Xpress / One pint, one bold promise: What this beer health claim hides about alcohol's real trade-offs

Beer could come with a "surprising health benefit," according to a new report from the BBC. This must be pleasing news for beer drinkers everywhere. But what did the new study the BBC report was based on actually say? And ...

May 2, 2026
Phys.org / Integrated land planning could ease food, energy and biodiversity conflicts worldwide

While the world is a big place, humans are making greater and greater demands on the same areas of land. "This means that, unless we use the same land to serve multiple needs and coordinate this effort through planning, it ...

Apr 30, 2026
Tech Xplore / For autonomous robots, not all rules are equal

From driving cars to flying drones, as autonomous robots take on more responsibility, they also face more human-like dilemmas—including what to do when rules collide.

May 1, 2026