Among what we will learn is what are the stages of starvation?

Right on up to the point where your body starts eating itself.

We also want to know what toll does this take on your mental state,

being away from other human beings for that long.

And we'll also learn the best way to defend yourself against a polar bear.

All that and more on this episode of Star Talk.

Welcome to Star Talk, your place in the universe where science and pop culture collide.

Star Talk begins right now.

This is Star Talk. I'm Neil the Grass Tyson here, your personal astrophysicist.

And today we have a hybrid episode. We've got a special guest who's an expert in survival.

Oh my gosh, we're going to find out all about that. And then we're going to pivot to Cosm Aquaries

on that subject because we know people think about that. My co-host Gary Riley, Gary,

always good to have you, man. Hey, Neil. All right, former soccer pro, soccer announcer,

and we got him. We share him with the rest of the soccer universe and Chuck Nice, Chuck,

good to have you, man. That's right. Former survivalist. You lie in my view.

Let me just set the record straight here. Okay. I am a black man of a certain age.

Oh, oh, different kind of survivalist. I get it. In America. I'm still standing. I'm a survivalist.

Okay, that's a different kind of survivalist. But let's find out. So Gary set us up here and

tell us who our guest is. Okay. All right. A little while ago, we had a question in one of our

cosmic queries about how would an understanding of science in a wilderness survival situation

be good? And we're not talking survivor. We're talking kind of alone. The one that airs on the

history channel. It's who can tough it out for about a hundred days in the middle of somewhere

...