Growing up in New York, I was sort of shocked when I realized that my children are Californians. They are 14 years old, and I explain to them frequently that they will never realize the glory of a snow day. You wake up and the world says, 'Oops, it's too much fun to go to school, you've got to stay home and deal with the snow!'

Audiences of critical thinkers are my favorite kinds of audiences. There are jokes I tell in the show that don't get laughs unless I am in front of an audience of critical thinkers. Put me in front of a crowd of science teachers or astronauts! The guileless aren't our audience - it's the critical thinkers we love.

We didn't set out to be educators or even scientists, and we don't purport that what we do is real science but we're demonstrating a methodology by which one can engage and satisfy your curiosity.

Being a geek is all about learning the inventories of things.

Fashion pictures show people looking glamorous. Travel pictures show a place looking at its best, nothing to do with the reality. In the cookery pages, the food always looks amazing, right? Most of the pictures we consume are propaganda.

Action-adventure, that genre, only works for me if you can care about the characters. If the hero's not taking some kind of a journey, then there are no stakes - and no stakes, then you don't care if he lives or dies, wins or loses.

Love Aaj Kal' is not really a road movie, but it does involve some travel.

The travel that I've spent around the country, I always come back with ideas for L.A. and vice versa: My experiences in L.A. give me an immediacy to issues that sometimes people in Washington think about but aren't experiencing every day.