Mark Winchester has left the band. He's decided that he's tired of the road and just wants to concentrate on his career in Nashville. I don't blame him at all. He'll certainly be missed.

Robert Plant is one of the nicest people you'll ever meet, never mind rock star. He's so down to earth.

The biggest challenge for me was Get Rhythm. I don't know why.

It is hard to play Blue Suede Shoes. I know everyone has heard it 10 million times, and that makes it even harder to play it, but there's a very laid back tempo on that. I was surprised at how slow it really was.

So fantasy was fine early on, and when I discovered science fiction, I was very happy with it, because my first interest in science fiction came with an interest in astronomy.

Anguish over the loss of a loved one or feelings of helplessness have complex roots. But in the end, they make you feel bad because they adjust your brain's chemistry. Happiness and its opposite are both electro-chemical reactions; those reactions are temporary and ineffable and could even have hidden benefits.

My father was not only a planetary scientist and a great popularizer of science, but he thought very deeply about the world. He was a scholar, he studied history. He taught a class in critical thinking, and he was very, very aware of the directions we might go.

It is a scientific fact that your body will not absorb cholesterol if you take it from another person's plate.