You cannot reattach a stem, but you can certainly save it. Here's how the experts get it right every single time ...

Upon closer examination, these plants may have a white, fuzzy to granular growth on stems (Figure 2). During dry periods these areas appear bleached and when split open, hard, black structures ...

the marked stem cells that produced the white sectors in Figure 3 gave rise to all the different cell types that make up a leaf). Do similar mechanisms operate in plant and animal stem cells to ...