Russell Davies charts the receding impact of what were once known as the 'men of letters'.
Chris Anderson talks to some of the most interesting TED stage speakers.
Influencers on the social app get youngsters to give them hundreds of dollars in gifts
BBC World Service
6/6 Dave Gorman and guest Charlie Brooker chew over ridiculous and unworkable inventions.
Google's head of Stadia, Phil Harrison talks about their vision of a gaming future.
BBC Radio 5 live
A Wiltshire woman has made her nameon Instagram making macramé.
Adam Walton takes a closer look at the history, geology and influence of the moon.
BBC Radio Wales
Miss World 1969, Eva Rueber-Staier, talks about her encounters with African wildlife.
Musings on the structures built by New Guinea's Vogelkop bowerbirds to attract mates.
A UN report on global food production predicts lower prices for farm commodities.
BBC Radio 4