Hi, I'm Lindsay.

And I'm Marshall. Welcome to Tumble, the show where we explore stories of science discovery.

Today, we're doing a mailbag episode.

That's great. We got all these letters here. I'm just throwing them around.

It's a male explosion here in Tumble HQ.

Well, Marshall, before you make too much of a mess,

here's another one.

We are going through all of our digital mail,

emails, reviews, and comments.

Finally, you'll get answers to some of your most burning

tumble science questions. Stay tuned. So before we get started, you may have heard about the

devastating flooding in central Texas, which is a place really close to our hearts because we

lived there for many years and that's where we started Tumble.

So if you can, I want you to please consider donating to the Kerr County Flood Relief Fund,

which will directly distribute funds to local organizations providing rescue,

relief, recovery services, and flood assistance to impacted communities.

Just go to bit.ly slash tumble Texas floods or click

the link in the description to donate. And please, please donate. They definitely need your help.

All right. Let's get into our mailbag. There we go. Nice segue. So Marshall, why are we doing a mailbag now?

Well, so one thing that if you're a listener to our show, you know that every episode has a

question from a listener, or maybe not every episode, but most of them. And we get a lot of questions in our

email from listeners and also comments on Spotify and all kinds of stuff. And we really can't

...