The Yoruba, in Nigeria, used cowry shells as currency and developed an amazingly complex number system.

Shells. Where did I see that box of shells?

Draw electron shells

Like pearls within their shells,

Natural shells, natural biological materials.

like pearls preserved in their shells,

like the pearls in their shells

The drinks were served in coconut shells.

beautiful as pearls hidden in their shells.

We've brought you shells, just go on fighting.

I went looking for pretty shells as a present!

Tom picked up some pretty shells on the beach.

But you know, these shells, they're hard to find.

You have fragments of other shells. You have olivine.

And then those proteins start making more viral shells.

Gather a dinner of shells for me

His hands reach out like shells to hold our disbelief.

These are the shells from the gun that killed Rowlins.

And young attendants like pearls within their shells, will go round.

And a lot of people might use structures like abalone shells,

Well I'm just going to sum up each of these shells.

You still, ruining the coffee with those rotten egg shells? ( chuckles )

So those proteins just start constructing more and more viral shells.

It is a lot of fun picking various shells on the sands.

With silver bells, and cockle shells, And marigolds all in a row.

It's made up of 16 concentric shells. Each one has 92 spheres.

Shells by Mirah) You learned how to be a diver

So they ran all the shells for us, which was nice of them.

This sediment is 100 percent made up of the shells of microscopic plants.

They will be waited upon by immortal youths, like pearls hidden in their shells.

Let's now look at the sky in successive redshift shells as we step out.

Say, She sells sea shells by the sea shore. And say it with rhythm.

Plants and organisms that make shells, coral, think of it as a building block.

If there used to be a sea here, why aren't there any sea shells?

There are many organisms that build their shells out of calcium carbonate plants and animals both.

You have micro shells there, you have things like coral, you have fragments of other shells, you have olivine, you have bits of volcano, there's a little bit of the volcano there, you have two worms.

When I was a child, I had multiple collections of sticks and stones and pebbles and shells.

We do see the signature of mergers in ellipticals and a particularly interesting one is so called, shells.

So, as soon as a crab touches them, they retract down into their shells, just like your fingernails.

Basically, New York was built on the backs of oystermen, and our streets were literally built over oyster shells.

So if we had some way to stop this scaling and so I picked up some shells on the beach.

In the past accidents have occurred where shells fell outside of the firing range area used for exercises by the JGSDF.

Instead of taking a bunch of disks and figuring out their combined volumes, we're going to take a bunch of shells.

So one of the things we're seeing is organisms are having to spend more metabolic energy to build and maintain their shells.

And if you look even closer, you'll see, in that limestone, there are little shells and little skeletons that are piled upon each other.