Have you ever tried scuba diving?

There're three basic limitations of scuba diving.

So you can imagine scuba diving here.

It's like scuba diving into a coral reef, except you're going upward instead of downward.

But scuba diving, submersibles and all the work that we're setting about to do here will help rectify that.

Antarctic tourism activities are increasing, as is their diversity (camping, climbing, kayaking and scuba diving), presenting new management challenges.

One creation resembled scuba diving gear complete with snorkel and goggles, while another looked like a melted ice cream cone.

This is their baseline. This is what they think is natural because we started modern science with scuba diving long after we started degrading marine ecosystems.

Scuba divers can't get there, submarines go right on past it.

If you were to go down to a depth of about 130 feet, which is the recommended limit for most scuba divers, you get this pressure effect.

But let's also think, as a visual species, what it's like when we go snorkeling or diving and try to look underwater.

There is a problem with scuba though, in that it imposes some limitations on how deep you can go, and it turns out that depth is about 200 feet.

But, the point is that scuba divers generally stay less than 100 feet deep, and very rarely go much below this, at least, not with any kind of sanity.

The only creatures that have got conscious control of their breath are the diving animals and the diving birds.

We need new deep diving submarines.

Ken stands on the diving board.

I led three diving expeditions to Antarctica.

There is many different aspects to free diving.

Sue Austin Deep sea diving in a wheelchair

Olympic officials try to clean green tinged diving pool

And here we are diving in the Beaufort Sea.

We did 250 hours of diving here in 2005.

For me, as a scientist, it all began in 1953 when I first tried scuba.

These birds make a living by diving into the water.

You throw it over the side of your boat and you basically scuba dive without getting wet.

This is an image of high school students, scuba divers that we worked with on our team.

I dove in a whole series of different deep diving submersibles.

We need deep diving subs, new technologies to explore the ocean.

Since the incident the United Kingdom had changed its diving procedures.

The water suddenly changed color Tuesday, midway through the synchronized diving events.

Trying to imagine a diver diving into water hardly makes a splash.

So when I began to dive, in 2005, I realized scuba gear extends your range of activity in just the same way as a wheelchair does, but the associations attached to scuba gear are ones of excitement and adventure, completely different to people's responses to the wheelchair.

Well, in the context of diving, you get too much, you die also.

In this instance the specific form of identity theft is called dumpster diving .

Alright, closed circuit rebreather what is it about it that makes it different from scuba, and why is it better?

If you look at this diagram of a coral reef, we know a lot about that part up near the top, and the reason we know so much about it is scuba divers can very easily go down there and access it.

And recently, I've become interested in diving much more deeply into a single story.

For those of you who've been there, fantastic coral reefs, fantastic diving, fantastic snorkeling.

And when I was researching pearl divers, I found the world of free diving.

This is the largest, widest ranging, deepest diving and oldest of all turtle species.

But most deep diving ROVs these days use hydraulics and they sound like the Ventana.

Hopefully that means we haven't been diving in anything too bad the last couple of days!

And this one is the deepest diving submarine in the world, operated by the Japanese government.

Development of sectoral guidelines, e.g., guidelines for tourism, boating, diving, cruise lines, coastal construction and fisheries.

And as he was diving, someone had stamped on his knee, and it had broken like this.