"As human beings, we like to put people in boxes. I’m a little bit of a rebel when it comes to that,” says Liz Bonnin. “I’ve never wanted to toe to line.”

Liz, who used to present Off the Rails on RTÉ, is talking about how she moved from entertainment to fronting documentaries on science and wildlife. It’s clear that science is her passion, as she waxes lyrical about her “obsession” with big cats and making programmes for Horizon, the BBC’s flagship science show