Nature.

In an experiment, I don't know yet.

Why is Blight so far?

Like, it sounds so simple.

They had no idea.

But now the data's...

I find this not only refreshing, but at some level astounding.

Nature.

Welcome back to the Nature podcast.

This week we'll hear how the immune system affects gut bacteria and the side effects

of a procedure to cool the planet.

Plus the latest results from a 60-year study of fox behaviour.

I'm Benjamin Thompson and I'm Adam Levy.

What can we learn from disaster?

From one disaster in particular.

On Saturday, June 15, 1991, the second largest volcanic eruption of the 20th century took place, Mount Pinatubo, in the Philippines.

In the shadow of Mount Pinatubo, towns and villages lie covered in a thick blanket of volcanic ash and mud.

More bodies are still being discovered. While volcano experts

here argue about Pinatubo's future behaviour, the people below continue to move out. It's estimated

half a million people have fed their homes.

The effects of this devastating eruption were felt far beyond the Philippines. The volcano pumped millions of tons of sulfur dioxide into that atmosphere.

This chemical formed sulfate aerosols, which, thanks to their size and chemical composition, scattered sunlight.

...