Most of the southern hemisphere is unexplored.

It's a completely unexplored part of the canopy.

In fact, we live on a mostly unexplored planet.

That's a strangely simple, and yet unexplored idea, right?

And then off to the rigtht, we have the unexplored.

We have the unexplored region, and we have the explored region.

It was that gadget that serendipitously opened a door to another unexplored world.

So even after a 10 year census, there are large areas that still remain unexplored.

I'll just close by saying that the tools are there, and this is truly an unexplored, undiscovered continent.

This is an area that's largely unexplored but here's a little bit of data I can show you.

It's mostly unexplored, and yet there are beautiful sights like this that captivate us and make us become familiar with it.

Titan is Saturn's largest moon, and, until Cassini had arrived there, was the largest single expanse of unexplored terrain that we had remaining in our solar system.

One of the things we're trying to do at Woods Hole with our partners is to bring this virtual world this world, this unexplored region back to the laboratory.

Today I'm going to take you on a voyage to some place so deep, so dark, so unexplored that we know less about it than we know about the dark side of the moon.

I'd like to tell you about a connection between sex and disease that is very critical, but a connection between sex and disease that has gone largely unnoticed and unexplored even in within the scientific community.

What I find so exciting is that the Census of Marine Life has looked at more than the tagging of pacific predators it's also looked in the really unexplored mid water column, where creatures like this flying sea cucumber have been found.

And so as we see in this image of light during the night, there are lots of areas of the Earth where human development is much greater and other areas where it's much less, but between them we see large dark areas of relatively unexplored ocean.

Now, here's another representation of the search space and what's happening is as we start to explore the state, we keep track of the frontier, which is the set of states that are at the end of the paths that we haven't explored yet, and behind that frontier is the set of explored states, and ahead of the frontier is the unexplored states.