Now in an urban environment, that's extraordinarily difficult.

So juicy sweet

Now, this was a month when North Korea agreed to dismantle its nuclear facilities.

When electricity failed, some of the lower levels start filling up.

They're all together there. They are immobile.

Noona, you know how you used to swim back in middle school?

Think of it like a primordial ooze, okay?

There was no water in the river.

A cloud is a mass of vapor.

The water turned into ice.

Now, you see that puddle?

Here there is not even a puddle

Repeat Positive water contact!

And Sylvia Earle and I were on an expedition in this submarine 20 years ago in Japan.

The flood began to subside.

This is a three dimensional machine.

The water came up to my waist.

After the rain, there were puddles on the street.

It was very time consuming.

He jumped across the puddle.

I mean, this is not exciting stuff. Are you with me?

But this elderly gentleman had his buffalo stolen in the rice fields near the barracks

The water has been cut off.

It's invisible to us, but it is much more plentiful than surface water.

Eric Johanson

So that's the carbon nucleus in the center and then you have the hydrogens, so that's our carbon right there.

Reflections could be seen in the puddles.

You add the droplet to the system.

To use the ozonator, you first rinse produce under cool running water for 20 seconds to remove any visible dirt or debris.

Armstrong and his friends had no water they bought it from a nearby tap owner no toilet the families in this compound shared a single pit latrine and no sewers or sanitation.

She just rolled right away from underneath.

This right here, if this is a pH of 1, this means so, at a pH of 0, this means your hydrogen concentration is 1 molar.

Down and as the sun gets brighter they go a little deeper, little deeper.

And here is the horizon, OK?

Water again.

What they're very good at doing is hitchhiking, particularly the eggs.

But dragonflies a bit tricky.

It was all for nothing.

And when they have more money they cement their streets, and they put in sewers and good water pipes, and stuff like that.

Fine city of Oxford, so what I've done is I've gone and got some water from the River Cherwell, and the River Thames, that flow through here.

This was taken in the old Croton Aqueduct, which supplied fresh water to New York City for the first time.

The water turned to ice.

And the first thing you're going to see is a transect screen that is about a meter across.

We had a little water.

In her anger, she picked up a bucket of water that stood near