Every year hundreds of millions of birds around the world migrate.

Some migrate short distances, some migrate incredibly long distances, and some don't bother to migrate at all.

For centuries people didn't know why birds migrated, how they managed to travel

such long distances every year, or where they went. But thanks to modern science and technology,

we now have a much better idea of how birds migrate and where they go.

Learn more about bird migrations on this episode of Everything Everywhere Daily. This episode is sponsored by Empire City.

No other police department has more global brand awareness than the NYPD.

From iconic images of 9-11 to tourist souvenirs in Times Square, the boys in blue would seem

to go hand in hand with New York City itself.

But underneath all of the iconic imagery and tales of heroism lies a dark and secret history, one that you've probably never heard before.

From Peabody Award-winning host, Chenari Kumanika, Empire City takes you back to the 1800s

to a New York City overrun with deadly riots and brawls.

A time when black New Yorkers were being kidnapped off the streets and sold into slavery,

but their loved ones can't call the cops for help because the kidnappers are the cops.

Find out how the NYPD transformed itself into the most powerful police force the world has ever seen.

From Wondery and crooked media with Push Black, this is Empire City.

Follow Empire City wherever you get your podcast.

You can listen early and add free right now by joining Wundery Plus in the Wundary App or on Apple Podcast.

I feel like I'm missing out because it seems like everyone is either starting a side hustle

or becoming their own boss and you know what they're hearing a lot?

That's the sound of another sale on Shopify,

the all-in-one commerce platform,

...