Discover a wide range of hands-on STEM resources and lesson plans designed specifically for 4-H educators, volunteers, and teachers. This collection includes engaging activities, classroom guides, and ...

With roughly 2,000 giant pandas remaining in the wild, scientists have spent the last several decades looking for new ways to help the iconic black-and-white bears stave off extinction. And now, it ...

The sea anemone Nematostella vectensis is potentially immortal. Using molecular genetic methods, developmental biologists have now identified possible candidates for multipotent stem cells in the sea ...

Rockefeller scientists uncovered how hair follicle stem cells can switch from growing hair to repairing skin when nutrients run low. The key lies in serine, an amino acid that activates a stress ...

Two small clinical trials revive hope for an old idea: Cells injected into the brain might replace the nerve cells that die in Parkinson’s disease. The studies, published April 16 in Nature, represent ...

Spaceflight makes certain human stem cells age faster, a new study has found, furthering scientists’ understanding of the potential effects of space exploration on the human body. Stem cells are found ...