This is called a cycle valve tube.

And this is how you make a valve.

This is actually a heart valve, which we engineered.

Sticking to old formulas, clinging to precedents.

Does the color of the valve matter? What matters here?

Now that's a left ventricle pushing blood up through the aortic valve you can see two of the leaflets of the aortic valve working there up into the ascending aorta.

And the way you engineer this heart valve is the same strategy.

Sticking wires into the brain is obviously rather crude.

This is actually a heart valve that we've engineered, and you can see here, we have the structure of the heart valve and we've seeded that with cells, and then we exercise it.

Think about how you'd feel sticking it in your wallet.

It has a funny trilobal shape at the bottom, which contains the aortic valve.

I don't mean taking a mouse and sticking it with stuff.

Dividing the properties and cash has proved the sticking point for Paul.

So he goes down, and he's sticking his tongue out like this.

Is this giving sermons or sticking one's nose in someone else's business ?

And they're sticking together, forming layers and giving us a sheet on the surface.

You can see two ski poles sticking out of the roof of the tent.

Well let me show you a story of what I mean by really sticking with us.

Even trips to the dentist require that you take antibiotics, in case you get an internal infection on the valve.

People bring their own cooker, he attaches a valve and a steam pipe, and now he gives you espresso coffee.

We take the scaffold, we seed it with cells, and you can now see here, the valve leaflets opening and closing.

People must choose for themselves, sometimes sticking to their guns, regardless of what other people want or recommend.

Its unique cool flow valve can efficiently discharge hot and damp exhaled breath from inside the respirator, allowing easier breathing for users.

Likewise, if you have the artificial valve option, you're committed to antibiotic therapy whenever you have any intrusive medical treatment at all.

And I'm going to represent the neocortex here, by this box that's sticking on top of the old brain.

Now, they're all the exact same except this one obviously has a stainless steel spike sticking out of it.

So, the most beautiful thing I found at least what I think is the most beautiful in the book, is this heart valve.

So this is actually a Dutch company, so I called them up, and I asked, Can I borrow a heart valve from you?

Great and then I didn't hear from them for weeks, so I called, and I asked, What's going on with the heart valve?

These things that look like whiskers that are sticking out from either side are the dynamic scaffolding of the cell.

So here's a dinosaur that has spikes sticking out of its head, no dome and gnarly stuff on its nose.

So why does Merkel not dare more? Why is she not sticking to the announcements she made during her campaign?

He turned the wrong valve when he filled his cylinder he had 80 percent oxygen in his tank when he should have had 40.

The low tech bit is that it's literally a pig's heart valve mounted in the high tech bit, which is a memory metal casing.

This may be because water drips to the bottom of the straw rather than sticking around to attract moisture loving germs.

So, it's already sticking out into space enough, and then from that is this, is this small area called the Mediatheque.

So you see the leaflets opening and closing of this heart valve that's currently being used experimentally to try to get it to further studies.

I could see myself sticking the flag in a pole, you know ah, glorious moment the music kind of reaching a crescendo.

The fire disaster happened at about 10 00am and was put out at about 10 30am. It is the snifting valve inside that triggered the fire.

And they said, Well the director of the company decided not to let you borrow this heart valve, because want his product to be associated with pigs.

And then Stygimoloch, another dinosaur from the same age, lived at the same time, has spikes sticking out the back of its head.

And some of these models so you take a bit of this cycle valve tube, you can put two matchsticks inside this, and you make a flexible joint.

And the fact that pig heart valves have lots of these on them is the reason that you can't transplant a pig heart valve into a person easily.

And once it's in the right spot, they remove the outer shell, and the heart valve, well, it gets this shape and at that moment it starts beating, instantly.

And if you think about this man, 46 years later, still sticking to this non violent response to a severe political and human rights issue.