Wednesday, September 16, 2020

Paleontology: The oldest known sperm cells

An international team of paleontologists has discovered giant sperm cells in a 100-million year-old female ostracod preserved in a sample of amber. Clearly, the tiny crustacean had mated shortly before being entombed in a drop of tree resin.

from Latest Science News -- ScienceDaily https://ift.tt/2FMtOyw

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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...