I wouldn't recommend it, because art school is a funny business. Yes, if you can find a situation where they'll give you money to live at the school and do whatever you want and pay for all your materials, if you're a painter or maybe a filmmaker, do it. But acting should be the most fun thing in the world; you're surrounded by other people who are as obsessed with Anton Chekhov as you are.

I changed my name when I was about twelve because I didn't like being called Sue or Susie. I felt I needed a longer name because I was so tall. So what happened? Now everyone calls me Sig or Siggy.

I think that's what I really dig about science fiction these days - we've caught up to it in a way. It's no longer about people with huge brains. Now it's really much more, as Jim Cameron says, the nature of being human. What it is to be human in society. How to retain one's humanity in society.

Carbon dioxide pollution is transforming the chemistry of the ocean, rapidly making the water more acidic. In decades, rising ocean acidity may challenge life on a scale that has not occurred for tens of millions of years. So we confront an urgent choice: to move beyond fossil fuels or to risk turning the ocean into a sea of weeds.

It's always the script that's going to lure me. And I don't really care about the part.

After I left Yale, we were all doing these mad plays off - off Broadway. And I got back to that feeling I had from college, of everyone making up in front of one cracked mirror, which is what I loved - the scrappy theater idea. I think off-off Broadway healed me, made me an actor again, and I was in so many different crazy shows.

I'd be more interested in doing a smaller, character driven thing, rather than another action picture.