3/6 Simon Cox on augmented reality, pirate party politics, digital memory and teens online.
Alex James visits one of the BBC's Farmer of the Year nominees.
5/6 Clare Balding walks the fifth leg of St Oswald's Way, from Rothbury to Simonside.
Geoff Watts discusses science books, biography, brains and the evolution of technology.
Arctic ice loss; an inflating universe; conserving the world's plants at Kew Seed Bank.
Laurie Taylor finds out about what we leave with the dead and why.
9/9 A poet and a stone are companions on a most unusual journey to Australia.
Tom Heap finds out if eco-activists are facing their toughest challenges yet.
2/6 Simon Cox looks into the future of GPS, with the help of a four-legged friend.
Adam Henson visits a farm in Sussex which is changing the lives of London's homeless.
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