this process continues throughout our lives.

So you can see here, you can immerse a whole circuit board in this and it wouldn't cause any damage.

Okay, so everything around it is whole and intact.

And it's very, very easy to see the damages on the bone structure.

You see here a little video.

You can see a modern road, hardly 50 years old.

So there is the pattern that every one of them had, but they all were a little different too.

I don't know.

People with spinal cord injuries,

If there were some people here, they would be broken

Internal injuries and...

And what came up was a number of pieces of data.

( dramatic theme playing ) ( peaceful theme playing ) ( door closes )

How does this work?

And these stem cells then float in the bloodstream and hone in to damaged organs to release growth factors to repair the damaged tissue.

My right leg was injured in that accident.

He had his arm amputated 10 years ago.

These places bleached too, but they recovered faster.

People still believe in Voodoo. Heart disease,

It is a fact that when our organs or tissues are injured, our bone marrow releases stem cells into our circulation.

So, we do regenerate, but for limited distances.

Now, if you look at Unit 4 which we've talked about in the past the fuel rods are dry, but the fuel racks are intact

It's like three millimeters in the middle of the brain.

This plastic is not damaged by fire.

The oven's hot so be careful not to burn yourself.

Over time the activity of this genetic regulators seems to decline and cumulative cell damage can occur

But free radicals are also generated in this process which can lead to serious damage to your mitochondria membane as well as to DNA.

The last three coaches of the train were badly damaged.

Pain is a positive test.

(English captions by Andrea Matsumoto from the University of Michigan)

Increased posterior sag of one of the tibias is considered a positive test.

My head was cut open across the front, lifted back, exposing the skull underneath.

It has to stand up to the heat and the wear and tear that happens in hospitals in these rural districts.

We carry out some research into the causes of brain damage.

Let me tell you, some of you may have the experience.

And these changes made the gene not act as well as the normal gene would have acted.

Herniation of the brain stem due to intracerebral hemorrhage.

In the U.K. we have an epidemic of facial injuries among young people.

The first, it's coming too.

So in this case, they would turn into nerve cells.

I want you to get the bullet out.

As you might know, a stroke is a brain injury.

If you smoke, you damage your lung tissue, and then lung cancer arises.

What do we do now, if you have injury for larger organs?

I noticed earlier the hyperdrive motivator has been damaged.