The coronavirus pandemic has presented humanity with an almighty shock. Here we are, with our evermore interconnected, technologically-advanced societies, living in lockdown and fearful for our health and economic futures - thanks to an invisible virus. Stephen Sackur interviews Israeli historian and best-selling author Yuval Noah Harari. What 21st-century lesson can we draw from the spread of Covid-19?

(Photo: Yuval Noah Harari lecture on artificial intelligence at the X World Future Evolution 2017, Beijing. Credit: Visual China Group/Getty Images)