Stress Turns Hair Gray By Depleting Pigment-Producing Stem Cells
Stress Turns Hair Gray By Depleting Pigment-Producing Stem Cells
In mice, the fight-or-flight response overactivates the cells, causing a drop in their numbers, which leads to loss of hair color.
Stress Turns Hair Gray By Depleting Pigment-Producing Stem Cells
Stress Turns Hair Gray By Depleting Pigment-Producing Stem Cells

In mice, the fight-or-flight response overactivates the cells, causing a drop in their numbers, which leads to loss of hair color.

In mice, the fight-or-flight response overactivates the cells, causing a drop in their numbers, which leads to loss of hair color.

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Image of the Day: Whale Shark Sonogram
Image of the Day: Whale Shark Sonogram
Ashley Yeager | Nov 2, 2018
Scuba diving alongside the fish, scientists used ultrasound equipment to image females’ reproductive organs.
First Organ-Specific Tissue Sheets
First Organ-Specific Tissue Sheets
Ashley Yeager | Aug 9, 2017
The material is durable, flexible, and can serve as a scaffold for cell growth, a study shows.