You're listening to an I-Heart podcast.

We love learning about this extraordinary universe.

And we love sharing what we've learned.

And on our podcast, Daniel and Kelly's extraordinary universe, that's what we're going to do.

I'm Daniel. I'm a particle physicist, and I think our universe is absolutely extraordinary.

I'm Kelly Weiner-Smith. I study parasites, and there's just endless things

about this universe that I find fascinating.

Basically, we're both nerds.

Each Tuesday and Thursday,

we take an hour-long dive

into some science topic.

Learn all about our amazing

and beautiful universe

on Daniel and Kelly's

extraordinary universe every Tuesday and Thursday

on the IHeartRadio app,

Apple Podcasts, or wherever you get your podcasts.

You say you never give it into a meltdown and never fill your feed with kid photos.

You say you'd never put a pacifier in your mouth to clean it and never let them run wild through the grocery store.

So when you say you'd never let them get into a car without you there,

no, it can happen.

One in four hot car deaths happen when a kid gets into an unlocked car and can't get out.

...