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I've been traveling around the world forever.

I do a lot of traveling around the world.

I travel. I do a lot of traveling around the world.

As I traveled the world over, I traveled everywhere, and I learned so much.

I travel all the time.

I've traveled more than any human being who's ever lived.

I travel all the time. And as I go around the world, I try to learn a little something and not just take up all the available air.

I've been all over the world on my own because, as a scientist, you travel a great deal if your work is reasonably successful or published. I get invitations to go to all sorts of strange countries where I would mostly be by myself and just meet other people there, instead of having travelling companions.

I really enjoy travelling around the world. I get to meet some extraordinary people.

I'm kind of a globetrotter. I've been traveling since I was born and living in different locations.