This episode is brought to you by Krakhan.

crypto is like finance, but different.

It doesn't care when you invest, trade or save, do it on weekends,

or at 5 a.m.

Or on Christmas Day, at 5 a.m. or on Christmas day at 5 a.m.

crypto is finance for everyone everywhere all the time.

Visit crackin.com slash see what crypto can be to learn more.

Don't invest unless you're prepared to lose all the money you invest.

This is a high risk investment and you should not expect to be protected if something goes wrong.

Hi, this is your health Quickly, a Scientific American podcast series.

We bring you the latest vital health news, discoveries that affect your body and your mind.

And we break down the medical research to help you stay healthy.

I'm Tanya Lewis.

I'm Josh Fishman.

We're Scientific American senior health editors.

Today we are talking about flu, but not just any flu. This is avian influenza or bird flu.

It's been sickening wild birds and mammals around the world and it has infected people.

Now it's spreading among US cows, but how big a threat

is it to humans?

Birdploo may sound like an innocuous disease that gives sparrows the sniffles, but it's actually quite a serious

pathogen that infects farmed birds like chickens and many species of wild birds.

It can also infect other animals, and humans too,

...