Hello and welcome to The Upgrade, the podcast from the team at Lifehacker.com, where we help you improve your life one week at a time.

I'm Melissa Kirsch, editor-in-chief of Lifehacker. And I'm Alice Bradley, deputy editor of Lifehacker. And today's

interview is with Brian Loudon and John Lung. They're the new hosts of Discovery's Mythbusters.

Mythbusters, as you probably know, is the popular show that aims to uncover

the truth behind myths and legends by mixing scientific method with ingenuity and experimentation.

MythBusters has taken on the big questions of our time, like, can combining diet Coke and

Mentos make your stomach explode? Is it possible to beat a lie detector test?

And would a bull really cause destruction in a China shop? In an exciting twist, we are not the

people doing the interviewing. I'm excited. I'm very excited. Instead, we've enlisted staff

writers Nick Douglas and Patrick Austin. They're two enthusiastic MythBusters fans who are going to ask these

guys all about the tools and expertise it takes to find and bust myths. What's that saying,

like, the best tools, the tool you have on you, but if that tool happens to be 32 tools and one,

you're better off. But before we get into that, Melissa, yeah, Alice, I got to tell you what's happening. My head hurts.

Yeah, you've had a headache for, it seems like, two weeks. Yeah. Tell me about it. I want to tell

you and I want to tell everybody about it because it's all you think about. Okay. It just hurts from one side of my head is really, really hurting me. And now I've got the kind of stabbing,

kind of ice pick thing going on in your forehead, right? Yep. As you know, I think I know it's causing

this. I think you're grinding your teeth. Yes. And when I said that, I can imagine that everybody

listening touched their jaw and nodded in agreement because yes, the world is grinding its teeth to dust.

It seems like that's a crazy thing to do, though. Like I can't believe that I'm grinding my teeth

because I'm like when I'm sleeping, I'm clearly relaxing. Why would I be grinding my teeth? What a

banana's thing for your body to do. It's a really weird thing to do. And I, like you,

had a headache that wouldn't go away. And I went to all kinds of doctors trying to get

...