Singapore is one of the busiest cities in the world.

But biologist Philip Johns is fascinated by a different inhabitant on the island.

Otters.

At rush hour downtown, the otters would swim toward each other and they're literally tens of thousands of people who are on their way to work.

How ideas, emotions, and creatures coexist.

That's next time on the TED Radio Hour from NPR.

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We have a really, really cool interview with Tom Green that you're about to hear.

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Hey! Hey! It's Bullseye. I'm Jesse Thorne.

Imagine you're a pizza guy.

You show up at someone's house with the pizza thing ordered.

You ring the doorbell.

But just as that customer opens the door,

there's this wild-eyed guy coming up behind you. He's yelling to your customer that he'll sell

them the same pizza for half price. And to prove it, he brings out a plain pizza and a toolbox

...