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welcome back to the Nature.

Welcome back to the Nature podcast. This week, we'll be hearing how to combat hate speech online.

And finding out how to uncover the first fossils.

I'm Benjamin Thompson and I'm Charmoney Bundell.

First up on the show, reporter Jeff Marsh has been tackling a topic which is sadly a mainstay of online discourse.

If you've ever been on the internet, which I assume you have,

it's likely that you've come across some pretty unsavory views.

Almost any topic seems to spawn shouty Twitter outbursts from enraged individuals who hold opposing views to you.

It can often feel like people's behaviour online

is governed by different principles

and etiquette to the outside world. But there's an altogether more sinister ecosystem of hate

which goes on in the more private setting of online groups, communities and pages, which draw

people with similar viewpoints together. In these online niches, dangerous narratives, things like white supremacy,

religious extremism, anti-women, these narratives can develop and spread, and evidence suggests

they can spark real-world aggression. I'm Victor Blackwell in El Paso, Texas, outside of a massive

crime scene here where 20 people were killed. It began in what is becoming a familiar, horrifying way.

The white van here on the left was driven down the pavement on London Bridge.

Just to confirm, the New Zealand police, head of police did say one man has been charged with murder.

He didn't give the name.

He said he was in his late...

...