Microscopic view of a zebrafish embryo
Science Snapshot: Do the Locomotion
The top winner of the 2022 Nikon Small World in Motion contest shows cells migrating through a zebrafish embryo.
Science Snapshot: Do the Locomotion
Science Snapshot: Do the Locomotion

The top winner of the 2022 Nikon Small World in Motion contest shows cells migrating through a zebrafish embryo.

The top winner of the 2022 Nikon Small World in Motion contest shows cells migrating through a zebrafish embryo.

melanocyte stem cells
Stress Turns Hair Gray By Depleting Pigment-Producing Stem Cells
Ashley Yeager | Jan 23, 2020
In mice, the fight-or-flight response overactivates the cells, causing a drop in their numbers, which leads to loss of hair color.
Image of the Day: Sun Burn
The Scientist Staff and The Scientist Staff | Oct 20, 2017
When certain melanocyte stem cells are exposed to UV rays, a molecular cascade can trigger melanoma, scientists find in mice.