Latest Helena Mira Stories
Stem cells in the brain remain dormant until called upon to divide and make more neurons. However, little has been known about the molecular guards that keep them quiet. Now scientists from the Salk Institute for Biological Studies have identified the signal that prevents stem cells from proliferating, protecting the brain against too much cell division and ensuring a pool of neural stem cells that lasts a lifetime. The research, which was published in the July 1 issue of Cell Stem Cell,...
- A goblin in English folklore, often appearing in the shape of a large dog and believed to portend imminent death or misfortune.
- A ghost, wraith, hobgoblin, elf, or spirit.