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Phys.org / Evidence of 'lightning-fast' evolution found after Chicxulub impact

The asteroid that struck the Earth 66 million years ago devastated life across the planet, wiping out the dinosaurs and other organisms in a hail of fire and catastrophic climate change. But new research shows that it also ...

12 hours ago in Earth
Phys.org / Are your memories illusions? New study disentangles the Boltzmann brain paradox

In a recent paper, SFI Professor David Wolpert, SFI Fractal Faculty member Carlo Rovelli, and physicist Jordan Scharnhorst examine a longstanding, paradoxical thought experiment in statistical physics and cosmology known ...

23 hours ago in Physics
Phys.org / Webb telescope reveals galaxy cluster's gravity warping light from distant galaxies

This NASA/ESA/CSA James Webb Space Telescope Picture of the Month brings us a scene from the distant universe. Pictured here is the galaxy cluster MACS J1149.5+2223, or MACS J1149 for short, which is located about 5 billion ...

2 hours ago in Astronomy & Space
Medical Xpress / Arthritis causing billions of working days to be lost in US, says first research of its kind

The first study of its kind has found that workers in America from age 50 who have arthritis will be healthy and in work for around five and a half years less than their peers without the condition.

2 hours ago in Arthritis & Rheumatism
Tech Xplore / Creative talent: Has AI knocked humans out?

Are generative artificial intelligence systems such as ChatGPT truly creative? A research team led by Professor Karim Jerbi from the Department of Psychology at the Université de Montréal, and including AI pioneer Yoshua ...

19 hours ago in Computer Sciences
Phys.org / Scientists illuminate ancient plant-fungus partnership at molecular level

For 450 million years, plants and soil fungi have been trading partners. The fungi weave through plant roots, delivering phosphorus and other soil minerals in exchange for sugars and fats produced by the plant through photosynthesis. ...

5 hours ago in Biology
Medical Xpress / Red light therapy shows promise for protecting football players' brains

Punch-drunk syndrome, boxer's madness, chronic traumatic encephalopathy (CTE). The name has changed over the years, but the cause is clear: repeated impacts can affect long-term brain health, with symptoms ranging from confusion ...

5 hours ago in Neuroscience
Medical Xpress / Ending dementia stigma could change its trajectory: Cancer's history shows why

At a recent party, another guest, a nurse, asked what I do for a living. I explained that as a health policy researcher, my work focuses on helping health-care systems coordinate care for dementia as effectively as for major ...

Medical Xpress / Why people with dementia wander—and how families can keep them safe

In June 2025, an elderly woman with dementia went missing in a forested area in Natuna, Indonesia, while tending to her plants. Search and rescue (SAR) teams were deployed to locate her.

Medical Xpress / Demystifying the dangers of water birth

Women who use water immersion during labor and birth experience better maternal and neonatal outcomes compared to those who receive epidural anesthesia, according to a study led by midwife Soledad Carreguí, in collaboration ...

3 hours ago in Obstetrics & gynaecology
Medical Xpress / Can aging be treated at the cellular level?

For some, January is a time for resolutions, with the goal often tied to being fitter and healthier. And increasingly this has included a fixation on addressing aging at the cellular level, driven in part by the rise of "biohacking."

5 hours ago in Medical research
Phys.org / Humans use local dialects to communicate with honeyguide birds, research shows

Researchers from the University of Cape Town (UCT), working with international collaborators, have shown that people in northern Mozambique use regionally distinct "dialects" when communicating with honeyguide birds, revealing ...

14 hours ago in Biology