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Tech Xplore / Are you addicted to your AI chatbot? It might be by design

AI chatbots can grant almost any request—a celebrity in love with you, a research assistant, a book character sprung to life—instantly and with little effort. New research presented at the 2026 CHI Conference on Human Factors ...

Apr 27, 2026
Medical Xpress / An unexpected limit to SARS-CoV-2's immune defenses reveal a hidden virus trade-off

A new study has revealed that while SARS-CoV-2 can weaken part of the body's early immune response, it may also unintentionally trigger another defense that helps cells fight back. A new collaborative study has revealed a ...

Apr 27, 2026
Science X / A freezing mountain refuge reshapes early human survival, hinting at an unseen advantage

Archaeologists have identified the earliest sustained human occupation in Highland Southern Africa, and suggest it could not have existed without considerable collaboration at a time when we were becoming humans.

Apr 27, 2026
Tech Xplore / Video: Electrical control of a metal-mediated DNA memory

DNA stores our genetic code. What if it could also be integrated with electronics to store and read other information? Scientists have been investigating how to store data in DNA, but retrieving the information remains a ...

Apr 27, 2026
Medical Xpress / Depression treatment is shifting, and this mushroom-derived compound is driving one of psychiatry's biggest new tests

Depression is a debilitating mental health disorder that is estimated to affect approximately 5% of people worldwide. It is characterized by persistent feelings of sadness and hopelessness, a lack of interest in everyday ...

Apr 25, 2026
Phys.org / More than two species? Scientists challenge taxonomy of two-toed sloths in Amazonia

A new study by scientists from the Leibniz Institute for Zoo and Wildlife Research (Leibniz-IZW) has revealed significant cryptic diversity within two-toed sloths (Choloepus) in Amazonia, challenging the long-established ...

Apr 27, 2026
Medical Xpress / Study finds new preeclampsia treatment may safely extend pregnancy

Cedars-Sinai Health Sciences University investigators have developed and successfully tested a new treatment for pregnant women with severe early preeclampsia, a leading cause of premature birth as well as maternal and fetal ...

Apr 27, 2026
Medical Xpress / Hydraulic brain: Body motion linked to fluid movement in the brain

The brain is more mechanically connected to the body than previously appreciated, scientists report in Nature Neuroscience. Through a study using mice and simulations, the team found a potential biological mechanism underlying ...

Apr 27, 2026
Phys.org / JWST hunts for an 'Earth-moon' twin in a habitable zone, but the star has other plans

The moon has played a huge role in the development of Earth. It stabilizes the planet, tempers dramatic climate swings, and possibly even provides the tidal heating that might have led to the first life forms. So it's natural ...

Apr 27, 2026
Tech Xplore / How fish muscles became blueprints for smarter underwater robots

Researchers at the Intelligent Biomimetic Design Lab at Peking University have developed a bio-signal framework showing that fish muscles do far more than generate swimming motion. In a series of studies led by Xie Guangming, ...

Apr 27, 2026
Phys.org / Rare ribosome tweak in E. coli reveals possible antibiotic target

Storing genetic material as DNA or RNA is all well and good for life on Earth, but it would be entirely pointless if we couldn't do anything with it. To use our genetic blueprints, all organisms need to translate the message ...

Apr 27, 2026
Phys.org / A host of positive 'tipping points' can regenerate nature

A host of positive "tipping points" can spark rapid nature recovery, a leading expert says. Action to protect and restore nature must accelerate radically to meet global goals for 2030 and beyond. Writing in the journal Nature ...

Apr 27, 2026