Futureproof Extra: How Plants Got On To Land

When the Earth was young, the land was a barren wasteland. Life was confined to the oceans.
But one day, one brave lifeform decided it would venture outside. 
You’re probably imagining some sort of pioneering fish or courageous crab but you’re hundreds of millions of years ahead of yourself because it was plants of course that first made that giant leap.
So how did they do it?
Stefan Rensing is Professor of Plant Cell Biology in the Faculty of Biology