Tuesday, September 28, 2021

Living retina achieves sensitivity and efficiency engineers can only dream about

'Efficient coding theory' describes the most perfect, low-energy way to design a light-detecting device for a future camera or prosthetic retina. Or you could just look at a mammalian retina that's already organized this way. In a pair of papers on retinal structure, a team of neurobiologists has shown that the rigors of natural selection and evolution shaped our retinas to capture noisy data just as this theory of optimization would prescribe.

from Top Health News -- ScienceDaily https://ift.tt/3EY3hsr

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Scientists reverse liver cell aging and cut Alzheimer’s-linked protein in half

A surprising discovery suggests that rejuvenating the liver could help protect against Alzheimer’s disease and heart disease. USC researcher...