grey, and unkempt. He also wears a pointed, wide-brimmed hat. But when he's resurrected as Gandalf the White, his sense of style and fashion is revived along with him. Gandalf is among the most ...

Like the red wolf, it is distinguished from other Canis species by its larger size and less pointed features ... a mottled gray in color, although nearly pure white, red, or brown to black ...

But our fixation on the gray can sometimes lead us to ignore a second type of brain tissue, one that lies just beneath: the white matter. Let’s take a closer look at these two types of brain ...