- Our next guest can recite the entire Periodic Table, so she's either really smart or just a complete show-off.  From Salinas, California, please welcome three-year-old Brielle and her mom, Carrie.  Hi, Brielle. 
- Hi.  - I kept seeing you in the hallway out there.  Did you see me in the hallway? 
- Yes.  - And then I ran away.  Yeah. 
Okay, so you're three years old, and you know the whole Period Table.  How did you learn?  When did you start learning all that? 
- Uh. . . 
- How old were you?  - Three years old.  - You're three years old now. 
When did she start getting interested in this?  - We actually got flash cards for her in April.  - Uh-huh, in April? 
- So, it's been about--yeah.  It's been about six months or so.  - And-- - Yeah, we hardly ever spend time doing it. 
She can learn just so quickly.  - Can--can you read?  - No, not yet, but I'm sounding out words. 
[applause] - Yeah.  - Me too.  [laughter] What else do you like to learn about? 
- I know all my states and capitals.  - All your states and capitals.  - And I also.
. . know.
. .  the Periodic Table of Elements. 
- Yes.  - And. .
.  I know all my countries in Europe and Africa.  And also the presidents. 
- You're making me feel bad about myself.  [laughter] Wow, and the presidents, too.  Who's your favorite president? 
- Barack Obama because. . . 
[applause] He was president when I was born.  - He was president when you were born.  Yes. 
I have shoes that are older than you.  But. .
. okay.  So here-- I'm gonna show you some, and you're gonna tell us what this is. 
What is that?  - Geranium.  - Geranium. 
Um. . .
what is this?  - K, potassium.  - K, potassium. 
You want to tell me some facts about that?  - Yes.  It's in bananas. 
- Found in bananas.  - And that's why bananas also helps our nose function.  That means it sends our brain information to our muscles. 
- Wow.  [applause] You must eat lots of bananas.  And this is? 
- Iodine.  - Iodine.  - It kills bacteria. 
- Yes, it does kill bacteria.  And this is?  - Chlorine. 
- Chlorine.  And this is?  - Strontium. 
It's in fireworks to make them loud.  And it also used in dark paints.  - What is strontium? 
What is it?  - Strontium.  - Sorry. 
Um. . . 
[laughter] What is this?  - Phosphorus.  - Phosphorus. 
They all look alike to me.  I don't know what-- and what is phosphorus?  Tell me about that. 
- It's a chameleon.  - It is a chameleon.  Why is that? 
- That means it can be different colors.  - That's right.  - Black or white. 
When it's white, it's least stable, and also burns under water.  - It burns under water?  - Isn't that crazy? 
[laughter and applause] - It is crazy.  It is crazy.  And this is? 
- Tantalum.  [indistinct] And if you have a map, I can show you.  - I still wouldn't know what.
. .  How do you remember-- you're three years old. 
How do you remember all this?  - My new brain just remembers.  [laughter and applause] - Your little brain just remembers? 
I think it's a big brain.  I think it's a big brain remembered all kinds of things.  That's amazing. 
Okay.  Before we go, you named your dog one of the elements, right?  - Yes. 
- What did you name your dog?  - Nici.  - Nici? 
Short for what?  - Because it's one of my elements.  - And which element is that? 
- The right to say it is Copernicium.  - But Nici is short for that?  - Yes. 
- Okay.  [laughter] All right, so you love to study, and your favorite color is purple, right?  - Yes. 
- I'm just guessing because of your dress, but I actually knew that, so I got you something, okay?  Let's bring it out.  All right, you have a little station. 
Come on over here.  - Go with Ellen.  Go. 
- Come on.  [applause] - Oh, my goodness.  Brielle. 
- It's a little station that you can study.  You have a desk, and you have-- everything is purple on there.  Isn't that nice? 
- Yes.  - And there's all kinds of books that you can probably read tonight, and. .
.  - Thank you.