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How much do you know about the world around you?

About the soil, the rivers, the tree roots.

Look closer.

What lives in each tiny millimeter?

And then closer still, through microscope at the billions or trillions of microbes, fungi, bacteria.

At this level, life is still largely unexplored.

What if something there, in the soil beneath your feet,

would lead to a cure for cancer?

Among the forests of southwest Cameroon,

in the community of Ngonpem,

a team of researchers has arrived with backpacks of scientific instruments.

I think our equipment are already.

Let's set our equipment.

They crouch down, overlooked by tall trees, over a patch of orange sandy ground.

Good. So can we do some digging?

They're digging up small scoops of soil, seemingly at random.

Let me pick some of the soy sample.

What they need is something none of us can see.

Genetic information.

That's good enough.

Yes.

...