It's double stranded, it's a double helix, has the As, Ts, Cs and Gs that pair to hold the strands together.

This is DNA in its classic double helix form.

You'll be familiar with the double helix of DNA.

You can look in this computer fabricated artifact, and he's got a double stranded genome that's no good.

You zoom in, there are just four DNA strands and they have little single stranded bits on them that can bind to other tiles, if they match.

Double strand again, but inside them, they're infected with a virus that has a nice, long, single stranded genome that we can fold like a piece of paper.

So we built a three stranded model.

It was the first DNA phage, DNA virus, DNA genome that was actually sequenced.

Now it wasn't DNA she didn't find DNA.

Tonight, there will be 10 flights to help stranded tourists returning home.

When we synthesize it, it comes single stranded, so we can take the blue strand in one tube and make an orange strand in the other tube, and they're floppy when they're single stranded.

The quake destroyed thousands of buildings and left thousands of tourists temporarily stranded.

And so there was the paper, and he proposed a three stranded structure.

And when Watson and Crick in the '50s first decoded this beautiful double helix that we know as the DNA molecule very long, complicated molecule we then started on this journey to understand that inside of that DNA is a language that determines the characteristics, our traits, what we inherit, what diseases we may get.

One set of DNA goes to one side, the other side gets the other set of DNA identical copies of DNA.

So, this is normal DNA, what you think of as normal DNA.

And you can make a map of the Americas and spell DNA with DNA.

It's humanity's DNA.

DNA at 60

So we have discovered that dinosaur DNA, and all DNA, just breaks down too fast.

The next thing is, that virus DNA made stuff that chopped up the bacteria DNA.

We have our nucleic DNA that everybody thinks of as our DNA, but we also have DNA in our mitochondria, which are the energy packets of the cell.

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This is crystallized DNA.

So that's DNA origami. That's one way. There are many ways of casting molecular spells using DNA.

I extracted DNA from them.

But it's not dinosaur DNA.

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And DNA also copies itself.

They're encoded in the DNA.

Paul Rothemund details DNA folding

It feels the DNA origami.

And it has no DNA.

Synthetic DNA, the ability to synthesize DNA, has changed at sort of the same pace that DNA sequencing has over the last decade or two, and is getting very rapid and very cheap.

To ensure safety, airline flight crews assisting stranded tourists to return home have made plans for the impact of

If you were stranded on a desert island, what books would you want to have with you to read?

But I want to talk about a different aspect of DNA science, and that is the physical nature of DNA.

We're not DNA zealots, but DNA is the cheapest, easiest to understand and easy to program material to do this.

So again, we begin with DNA.

Now, a quick primer on DNA.

DNA is a very elegant molecule.

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The DNA of German Foreign Policy

Double Commander

But before doing that, I just briefly want to remind you about what you already know that our genomes, our genetic material, are stored in almost all cells in our bodies in chromosomes in the form of DNA, which is this famous double helical molecule.