P-S! Hey, Smarty Pants, listen up.

Take a close look at your finger.

Any finger, even your thumb.

Careful, don't poke yourself in the eye.

So what do you notice at the end of your finger?

Dirt?

Pizza sauce?

A booger?

Ewe.

More specifically, what do you see at the end of your finger?

That's right, your fingernail.

Take a good look at it.

Chances are you don't give your fingernails too much thought.

Sure, some of you might paint them, or chew them, or tap them on the table.

And yes, some of you stick them in your nose.

But chances are you take your fingernails and toenails for granted.

But did you know they're actually very important parts of your body?

In fact, they make humans unique.

While many furry mammals have claws,

meo-pimates such as humans, apes, monkeys, and orangutans have nails. And your fingernails are

very useful, like when you have an itch. But there are also some really odd things about your fingernails you might not know. For instance,

did you know your fingernails are made of dead tissue? Hmm. Did you know your fingernails have no

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