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Phys.org / AI helps instructors give better feedback but can't replace them, trial suggests

A randomized trial in a large economics course found that AI-mediated feedback improved students' revisions when teaching assistants stayed in control. Artificial intelligence can help instructors write better feedback on ...

Apr 17, 2026
Phys.org / Understanding community effects of Asian immigrants' US housing purchases

Asian immigrants are both the fastest-growing and highest-earning immigrant ethnic group in the United States, facts that have caught the attention of many economists interested in how these groups—whether investors or residents—impact ...

Apr 17, 2026
Medical Xpress / A hidden army of zombie immune cells may drive fatty liver disease, inflammation and aging

UCLA researchers have identified a rogue population of immune cells that quietly accumulates in aging tissues and in the livers of people with fatty liver disease. Clearing these cells, they found, dramatically reduced inflammation ...

Apr 16, 2026
Phys.org / Cells have a secret 'courier system' that could open hard-to-reach targets for RNA and gene therapies

Researchers at University College Dublin have discovered a previously unknown "courier system" that cells use to deliver coherent biological messages between each other, opening new possibilities for medicine and biotechnology. ...

Apr 16, 2026
Phys.org / Artemis II astronauts praise their moonship's performance, especially the heat shield

The Artemis II astronauts who ignited a lunar renaissance gave high marks Thursday to their moonship, especially the heat shield, for its performance during reentry.

Apr 17, 2026
Medical Xpress / How long does a transplanted heart last?

Heart transplant surgeon Raymond Lee, MD, explains what patients can expect after a heart transplant—including how long the heart will last. The average lifespan of a transplanted heart is about 10 years, though outcomes ...

Apr 17, 2026
Phys.org / AI turns plain-language prompts into lab-ready recipes for novel materials

Advances in artificial intelligence promise to help chemical engineers discover complex new materials. These materials could be used for reactions such as turning carbon dioxide into fuel, but technical barriers have limited ...

Apr 16, 2026
Phys.org / Bonobos' peaceful reputation cracks after a rival group attack leaves an infant dead

Bonobos are often described as gentle apes, generally calm primates that are seen as peacemakers in the animal kingdom. But this reputation may be coming under attack as a new study published in Scientific Reports reveals ...

Apr 14, 2026
Phys.org / Copper blasted into a million-degree plasma strips away 22 electrons in a flash before atoms recover

When laser flashes hit matter, electrons are knocked off their orbits around the atomic nuclei. This can generate extremely hot plasmas composed of charged particles—ions and electrons. Researchers at HZDR have now observed ...

Apr 14, 2026
Phys.org / How farming changed us: Ancient DNA reveals natural selection sped up in recent human evolution

A massive study of ancient DNA from nearly 16,000 people across more than 10,000 years in West Eurasia reveals that natural selection has shaped modern human genomes far more than previously thought.

Apr 15, 2026
Medical Xpress / Biological shield can prevent skin cancer cells from transforming into aggressive metastatic forms

A new study has identified a molecular guardian that keeps skin cells from forgetting what they are and transforming into aggressive, migratory killers. By stabilizing a master genetic switch, this protein shield prevents ...

Apr 16, 2026
Medical Xpress / A two-way brain interface could help restore walking after paralysis by linking thoughts, robotic legs and sensation

Restoring both walking and sensation to patients with paraplegia is an ambitious goal—but a team of researchers from the Keck School of Medicine of USC, the University of California, Irvine (UCI) and the California Institute ...

Apr 16, 2026