I'm compelled to paint nearly every day. I just felt like making a painting, went out and bought paints and a canvas. Now it fulfills me creatively when I'm not doing music: it's something you can do by yourself and it's totally yours. It's a great adjunct to my life.
When we talk about stem cells, we are actually talking about a complicated series of things, including adult stem cells which are largely cells devoted to replacing individual tissues like blood elements or liver or even the brain.

