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Dr Adam Hart explores the impact of migratory bee-keeping in the United States
BBC World Service Online
Farmers count the cost of severe flooding in the Czech Republic, Germany and Austria.
BBC Radio 4
Miranda Krestovnikoff presents the story and sound of the kittiwake.
Prof Dame Athene Donald talks to Jim Al-Khalili about the physics behind everyday stuff.
24/30 What we can see is only a fraction of matter in the cosmos. Heather looks at dark matter.
BBC Radio 4 Extra
Adam Walton and guests discuss Stephen Hawking's bestseller, A Brief History of Time.
BBC Radio Wales
Artists showcase the digital tools they're using at this year’s Venice Biennale
Wednesday 5 June 2013