From the brains behind brains on, this is the Moment of Um.

Moment of Um comes to you from APM Studios. I'm your Tong. People are always asking me,

Tong, how do you juggle everything? You're so busy. And it's true, I do a lot

every day. I form words and sounds in your mouth so you can go la la la and I help you make silly faces.

I'm essential for eating. I mean, hello, good luck chewing and swallowing your food without me.

And of course, I am responsible for detecting all those delicious flavors that you love.

So, how do I make it through my busy day? I got to tell you, the thing that really jazes me up

is spice. I just love the tingle that

comes from foods like chili peppers. Okay, sure. Sometimes maybe there's a little too much spice and

oh boy, it's uncomfortable for a minute. But then the feeling fades and there's just a warm glow

all over my taste buds.

Fabulous.

Now I'm totally craving that spicy sizzle.

How do I find it?

It's just like Julian was asking.

I'm Julian, and I'm from Delaware.

And my question is, what makes spicy things spicy?

When we sense spiciness in our mouth, it's not actually our taste buds.

It is the nerves that are reaching our tongue that then send direct signals back to our brain.

Hi, my name is Arthur Zimmerman, and I study smell and taste. So whenever we bite into something that we

think is spicy, there's actually the sensors on nerves that will interact with the foods in our mouth.

Then these receptors are similar to what you would have on your skin to detect different

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