And we know what they are.

The details of travel requirements are set out below

Let's talk about billions.

If there's 3.5 billion now, it's going to be six billion then it's going to be 10 billion.

A Global Agenda for Seven Billion

Anybody else? 6 billion caps.

These resource requirements are estimated at US  3.5 billion for 2006 and US 3.6 billion for 2007.

When you have 3.5 billion people living in cities by 2050, it's going to be 6 billion people.

That is great, that means we're going to have 10 billion minds working together, 10 billion talents together.

(The unit of measure should not exceed one ten thousandth of the total military expenditures.

There are billions of galaxies in the observable universe

What will these three billion people bring?

I launched a project named Six Billion Others.

The sun has been shining for four and a half billion years, but it'll be another six billion years before its fuel runs out.

And the simple answer is, well, the human genome has three billion of these base pairs.

Jonathan Drori Why we're storing billions of seeds

In six billion years, the sun will look like that.

Deception can cost billions.

The universe is expanding for the last 10 billion years or so.

It is costing Yemen billions of dollars every month.

So software is just famous for these disasters, billions of dollars.

This recycling system has been in place for the last billion years.

And we know what they are. Billions of years ago, and billions of light years away, the material at the center of a galaxy collapsed towards a super massive black hole.

It is estimated that bilateral resources available for AIDS may increase from 1.3 billion in 2004 to 2.3 billion in 2005, reaching an estimated 3.65 billion in 2007.

There are 10 billion electrical outlets in North America alone.

Visit 7 Billion Actions to engage with the campaign.

And yet we're spending billions of Swiss francs on this problem.

They harness the power of billions of stars within a galaxy.

There are 6 billion people on this Earth today.

Now this quest started four billion years ago on planet Earth.

There's been four billion years of organic, biological life.

Contributions made to WFP declined by 11 per cent, from 3.7 billion in 2003 to 3.3 billion in 2004.

Students at Hongban Primary School enjoy lunch.

We have cancelled 2.8 billion of debt owed by African countries.

So it takes light three billion years to travel over that distance.

You'd still have five million pounds in change, and people would ask for the trains to be slowed down.

Right now we spend three billion hours a week playing online games.

In 2011 the world's population will exceed 7 billion people.

We cannot afford to fail the 6 billion inhabitants of planet Earth.

For one thing, their domestic production receives billions of dollars in subsidies.

With the Hubble Space Telescope, we're looking at hundreds of millions of years to a billion years.

This is how, if you took billions of years to go around, it might look to you, right?

Billions of times little pieces of sensation have come in from the surface of your body that are always associated with you as the receiver, and that result in the embodiment of you.

About three billion people, by the end of this year, will have cellular connectivity.

When those extra three billion people's identity is mobile, it isn't fixed?