Your fingernails are filthy.

The needles under your fingernails.

Do you bite your nails?

You can polish your nails

And you had red paint under your nails.

Skinny, what did I tell you about biting your nails?

I wanna do your fingernails for you. That's thoughtful of you.

There's a nobility of real, hands on, dirt under your fingernails work.

You needn't have painted your nails, Lulua. There isn't a man from here to Horeb.

New sensing elements on the body you can grow hairs on your nails, and therefore grab some of the particles from another person.

Because if you actually look through your fingernails, you can see blood vessels, and once you see blood vessels, we think we can see the malaria.

Unless you're prepared to get dung under your fingernails and root through the dung itself, you'll never see 90 percent of the dung beetle species, because they go directly into the dung, straight down below it, and then they shuttle back and forth between the dung at the soil surface and a nest they make underground.