Related topics: cells

Study links 'stuck' stem cells to hair turning gray

Certain stem cells have a unique ability to move between growth compartments in hair follicles, but get stuck as people age and so lose their ability to mature and maintain hair color, a new study shows.

Study finds endangered elephants regularly leaving protected area

For the sake of shielding vulnerable and endangered wildlife from the existential risks posed by people, some governments and agencies have established so-called protected areas that are designed to be free of human encroachment ...

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