At this early stage in our evolution, now through our infancy and into our childhood and then, with luck, our growing up, what our species needs most of all, right now, is simply a future.

Doctors, dressed up in one professional costume or another, have been in busy practice since the earliest records of every culture on earth. It is hard to think of a more dependable or enduring occupation, harder still to imagine any future events leading to its extinction.

It is only when you watch the dense mass of thousands of ants, crowded together around the Hill, blackening the ground, that you begin to see the whole beast, and now you observe it thinking, planning, calculating. It is an intelligence, a kind of live computer, with crawling bits for its wits.

Very few recognize science as the high adventure it really is, the wildest of all explorations ever taken by human beings, the chance to glimpse things never seen before, the shrewdest maneuver for discovering how the world works.

We have reached a new milestone as a human family. With seven billion of us now inhabiting our planet, it is time to ask some fundamental questions. How can we provide a dignified life for ourselves and future generations while preserving and protecting the global commons - the atmosphere, the oceans and the ecosystems that support us?

There's tons of members of the Carradine family. It's more like a clan than it is like a family, and it's rare that we can get a bunch of them together. We do once in a while.

Kids will come into my boxing gym with no discipline, and then you teach them how to focus and love what they're doing, which then travels outside into their home and work life.

Blood is thicker than water, so the fact that I have my sister always with me, it's like you always have someone who's your best friend and always have someone who has your back. You can always trust your family, and I'm lucky to have that.