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Ultra-black skin allows some fish to lurk unseen

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Scientists report that at least 16 species of deep-sea fish have evolved ultra-black skin that absorbs more than 99.5% of the light that hits them, making them nearly impossible to pick out from the shadows. These fish owe their disappearing act to tiny packets of pigment within their skin cells called melanosomes. The melanosomes of […]

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A ‘feeling’ for dementia? New findings on subjectively perceived memory problems

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A research team concludes that personal perception can be an important indicator for the early detection of Alzheimer’s disease. Scientists report that individuals with subjectively felt memory problems also exhibited on average measurable cognitive deficits that were associated with abnormalities in the spinal fluid. Early diagnosis and therapy development could benefit from these findings.