Hey there, before we start today's show, we want to tell you about NPR1. It's an app for your phone. It has stuff to listen to on it.

It's kind of like Pandora for public radio.

You can listen to a podcast, different stories that you like,

and as you make different choices, the app adjusts to suit your preferences.

The beauty is it gives you the illusion of choice

when clearly all of our actions and the shows we listen to

have been preordained by fate.

You can find NPR 1 in the App Store, NPR O-N-E.

Any attempt to battle fate by saying, you know what, maybe I will choose even though I was about to listen to

the Ted Radio Hour I will choose to listen to fresh air instead.

That choice, even though it feels like a rebellion

against the path you were on,

that rebellion was, is the path.

Nothing is real.

Not even in PR1.

This tale was foretold in the old Greek myth of invisiblia.

The 2016 Summer Olympics are finally here. The games begin this weekend in Rio.

This happens only every four years, depending on the planet you live on on Earth,

when a year is 365 days, other planets. depending on the planet you live on on Earth,

when a year is 365 days, other planets,

it may happen every year or even every day.

So to celebrate the arrival of the Olympics,

...