In global warming, I think everyone is scratching their heads - are there technological things that can be brought to bear that can make a difference?

In global warming, I think everyone is scratching their heads - are there technological things that can be brought to bear that can make a difference?

As a species, we've always been discoverers and adventurers, and space and the deep ocean are some of the last frontiers.

The only regrets I have are rather prosaic - like I wish I went for a swim in the Pacific.

The possible is constantly being redefined, and I care deeply about helping humanity move forward.

That would be such a life-changing thing, for us all to know that there are other beings out there who we could potentially communicate with, or maybe we are listening to a signal that they transmitted hundreds of millennia ago.

We've had some tough times, but we've hung in there.