Welcome to Just Between Us, the podcast with all of the answers, some of the time.

A bit of a different thing going on this week.

You've been immature and you've lied.

And now you're trying to turn it on me and manipulate me and gaslight me.

I was trying to manipulate you.

Diana, you would be chucking their clothes out of the window.

I know, I'd be like, are you joking?

I don't know.

I guess you'd have to ask.

Someone that has sex.

Someone that has sex.

And remember, it's just between us.

Hello and welcome to the History Extra podcast from BBC History Magazine, Britain's best-selling history magazine.

I'm Ellie Cawthorne. Throughout history, people have sought to alter society through genetic intervention.

And as Adam Rutherford reveals in his new book, Control, the history of eugenics has been a troubling story of prejudice and manipulation.

As he told me on today's podcast, its effects have frequently been devastating.

Just to let you know, we had some technical issues with Adam's end of this podcast recording.

That meant we had to use a backup recording instead, so apologies if the sound quality in today's episode isn't up to our usual standard. Your new book, Control the Dark

History and Troubling Present of Eugenics. It explores a really thorny and difficult issue

that has run throughout history and it continues to be really significant. But before we go any

further, let's just make sure that everybody knows exactly what we're talking about here. Can you

define eugenics for us? Well, it's a really, really sensible question to ask. And the answer is no,

...