Add Yahoo as a preferred source to see more of our stories on Google. This undated image provided by the Mitalipov Laboratory at Oregon Health & Science University shows a a microscope image of a ...

Tiny folds anchoring human skin, called 'rete ridges,' form soon after birth. They show an early-life window that could reshape aging.

Caption: Human neutrophils visualized under a confocal microscope with cell membranes stained red and nuclei blue. When faced with an infection during food shortages, stress hormones trigger an immune ...

This undated image provided by the Mitalipov Laboratory at Oregon Health & Science University shows a a microscope image of a human egg that contains a nucleus taken from a skin cell. (Mitalipov ...