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In More Or Less, Ruth Alexander and Hannah Moore investigate a claim in a recent edition of the Economist that, “In the next 40 years, humans will need to produce more food than they did in the previous 10,000.“ With the world’s population due to reach nine billion by 2050, how confident can we be that everyone will have enough to eat?

Â鶹ԼÅÄ Trending reports on a video of an Egyptian wedding which went viral when the groom staged a mock Islamic state kidnapping to surprise the guests and make people laugh at the terror group. As the internet fills with more and more parodies of Islamic State’s propaganda videos, do they dilute the danger or are they a defence against fear? Mukul Devichand talks to Neil Durkin from Amnesty International and Egyptian tweeter, Mona El-Ashray. Plus, outrage in France over a viral video of children aged eight to 13, posing as gangsta rappers, waving guns and wads of cash and making drug references and sexist remarks.

In the Why Factor, Helen Grady asks why, if we hate crime, we love crime fiction and what do the detective stories of a particular time or place reveal about that culture.

(Image: Vegetable stall at Borough market in London. Credit: Press Association)