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Columbia University researchers found that microplastics are not chemically inert in water: six common plastics generate reactive hydroxyl radicals at the water-plastic boundary, degrading dyes and potentially causing oxidative stress, according to a new Nature study. The health impact on humans remains under investigation.
A new Nature study led by Monash University's Devon Stoliker challenges the idea that psychedelics simply create chaos in the brain, using AI analysis of MRI and EEG scans from psilocybin sessions to reveal structured changes in brain network connectivity that may underlie meaningful, insightful experiences.
Researchers have identified the first documented case of a transmissible melanoma in brown catfish, marking the first contagious cancer found in fish and in a freshwater ecosystem.
An analysis of over 40 million papers finds that AI tools boost individual researchers' productivity and career advancement but narrow the scope of scientific inquiry, leading to less diverse and original discoveries, as published in Nature.
A study published in Nature presents evidence that the universe may not be uniform on the largest observable scales, challenging a fundamental pillar of modern cosmology. Researchers found persistent coherent structures in galaxy distribution that do not fade into a uniform background as expected.