Do you ever feel like you and a friend are speaking past each other?

Or that you're not sure how to break out of a rut?

I'm Shankar Vedantam, host of the podcast Hidden Brain.

We explore questions that keep you up at night

and provide answers that are grounded in rigorous science.

Join us each week to explore your Hidden Brain.

Smarty pants. I spy with my little eye. Something yellow that's longer than it is tall.

Can you guess what it is? Did you say a banana? Good guess, but no.

You ride it to get somewhere. That's right. It's a school bus.

Let's try this one more time. I'm going to describe something else and see if you can guess what it is.

It's a small yellow thing inside a big yellow thing.

And it's moving.

Wait, the small thing's getting shorter.

And shorter. And now it's gone.

That sounds nuts. What could it be?

And yes?

Oh, it's a kid eating a banana inside a school bus.

Good one, right?

The point is you can identify and share all kinds of visual information and play fun car ride games all things to your amazing eyes,

which are connected to your amazing brain.

But how exactly do your eyes work?

What are the different parts of your eye? And how do your eyes differ from those of animals?

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