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regeneration

Illustration of an immune cell that wields weapons on one side of its body and construction tools on the other.
immunology

Immune Cell Assassins Reveal Their Nurturing Side

February 11, 2020

Don’t be misled by the bloodthirsty names of immune cells. Mounting research shows that the cells also fine-tune tissues and help the body heal.

Abstractions blog

What Defines a Stem Cell? Scientists Rethink the Answer

December 4, 2018

As it becomes clear that the body’s cells have more diverse regenerative capabilities than expected, experts have had to reconsider their approach to stem cell research.

Art for "To Heal Some Wounds, Adult Cells Turn More Fetal"
developmental biology

To Heal Some Wounds, Adult Cells Turn More Fetal

August 29, 2018

Once again, body cells reveal unexpected plasticity: In a newly discovered type of wound healing, which some researchers call “paligenosis,” adult cells revert to a more fetal state.

Photo of an axolotl
developmental biology

Salamander’s Genome Guards Secrets of Limb Regrowth

July 2, 2018

With a fully sequenced genome in hand, scientists hope they are finally poised to learn how axolotls regenerate lost body parts.